Is a roofing delivery truck likely to crack my driveway slab?
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I am having shingles delivered. The truck weighs 62,000 lbs, will this crack my concrete slab driveway? Also, they plan on a dump truck in the driveway to throw shingles from the roof. I am not sure what weight the dump truck is.
concrete load
edited Mar 26 at 23:15
Glorfindel
2851511
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
|
show 1 more comment
I am having shingles delivered. The truck weighs 62,000 lbs, will this crack my concrete slab driveway? Also, they plan on a dump truck in the driveway to throw shingles from the roof. I am not sure what weight the dump truck is.
concrete load
edited Mar 26 at 23:15
Glorfindel
2851511
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
17
Where do you live? What's the thickness of the driveway? What's the makeup of the concrete? Is there steel mesh or rebar located within the slab? Are there any existing issues with cracking, settling etc of the driveway? What type of base is under the concrete? As you can see, we'll need far more information before anyone can even imagine trying to come up with an answer.
– stevieb
Mar 26 at 15:16
1
Non technical answer: The roofing company does this all the time, and they don't want to break your driveway. It will probably be fine, but as mentioned you need a lot more data to be sure. Ask them what happens if their big heavy trucks damage your driveway and see what they think.
– JPhi1618
Mar 26 at 15:44
@DMoore, I'll agree with that. Even if they said they would fix the driveway, they would probably want to do it the easy way and then fight against anything else.
– JPhi1618
Mar 26 at 16:08
6
@JPhi1618 - if driveway broke, homeowner should expect two bags of quickcrete patch repair and a guy missing half his teeth making $10 an hour reading the instructions, mixing it and spreading it on with a trowel. Not even exagerating on this one.
– DMoore
Mar 26 at 16:13
if in doubt, you can half the weight by having it run the passenger-side tires on the grass.
– dandavis
Mar 26 at 17:33
|
show 1 more comment
I am having shingles delivered. The truck weighs 62,000 lbs, will this crack my concrete slab driveway? Also, they plan on a dump truck in the driveway to throw shingles from the roof. I am not sure what weight the dump truck is.
concrete load
edited Mar 26 at 23:15
Glorfindel
2851511
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
I am having shingles delivered. The truck weighs 62,000 lbs, will this crack my concrete slab driveway? Also, they plan on a dump truck in the driveway to throw shingles from the roof. I am not sure what weight the dump truck is.
concrete load
concrete load
edited Mar 26 at 23:15
Glorfindel
2851511
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
edited Mar 26 at 23:15
Glorfindel
2851511
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
edited Mar 26 at 23:15
Glorfindel
2851511
edited Mar 26 at 23:15
Glorfindel
2851511
edited Mar 26 at 23:15
Glorfindel
2851511
2851511
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
asked Mar 26 at 15:05
Ruth BlanchRuth Blanch
6913
6913
17
Where do you live? What's the thickness of the driveway? What's the makeup of the concrete? Is there steel mesh or rebar located within the slab? Are there any existing issues with cracking, settling etc of the driveway? What type of base is under the concrete? As you can see, we'll need far more information before anyone can even imagine trying to come up with an answer.
– stevieb
Mar 26 at 15:16
1
Non technical answer: The roofing company does this all the time, and they don't want to break your driveway. It will probably be fine, but as mentioned you need a lot more data to be sure. Ask them what happens if their big heavy trucks damage your driveway and see what they think.
– JPhi1618
Mar 26 at 15:44
@DMoore, I'll agree with that. Even if they said they would fix the driveway, they would probably want to do it the easy way and then fight against anything else.
– JPhi1618
Mar 26 at 16:08
6
@JPhi1618 - if driveway broke, homeowner should expect two bags of quickcrete patch repair and a guy missing half his teeth making $10 an hour reading the instructions, mixing it and spreading it on with a trowel. Not even exagerating on this one.
– DMoore
Mar 26 at 16:13
if in doubt, you can half the weight by having it run the passenger-side tires on the grass.
– dandavis
Mar 26 at 17:33
|
show 1 more comment
17
Where do you live? What's the thickness of the driveway? What's the makeup of the concrete? Is there steel mesh or rebar located within the slab? Are there any existing issues with cracking, settling etc of the driveway? What type of base is under the concrete? As you can see, we'll need far more information before anyone can even imagine trying to come up with an answer.
– stevieb
Mar 26 at 15:16
1
Non technical answer: The roofing company does this all the time, and they don't want to break your driveway. It will probably be fine, but as mentioned you need a lot more data to be sure. Ask them what happens if their big heavy trucks damage your driveway and see what they think.
– JPhi1618
Mar 26 at 15:44
@DMoore, I'll agree with that. Even if they said they would fix the driveway, they would probably want to do it the easy way and then fight against anything else.
– JPhi1618
Mar 26 at 16:08
6
@JPhi1618 - if driveway broke, homeowner should expect two bags of quickcrete patch repair and a guy missing half his teeth making $10 an hour reading the instructions, mixing it and spreading it on with a trowel. Not even exagerating on this one.
– DMoore
Mar 26 at 16:13
if in doubt, you can half the weight by having it run the passenger-side tires on the grass.
– dandavis
Mar 26 at 17:33
17
17
Where do you live? What's the thickness of the driveway? What's the makeup of the concrete? Is there steel mesh or rebar located within the slab? Are there any existing issues with cracking, settling etc of the driveway? What type of base is under the concrete? As you can see, we'll need far more information before anyone can even imagine trying to come up with an answer.
– stevieb
Mar 26 at 15:16
Where do you live? What's the thickness of the driveway? What's the makeup of the concrete? Is there steel mesh or rebar located within the slab? Are there any existing issues with cracking, settling etc of the driveway? What type of base is under the concrete? As you can see, we'll need far more information before anyone can even imagine trying to come up with an answer.
– stevieb
Mar 26 at 15:16
1
1
Non technical answer: The roofing company does this all the time, and they don't want to break your driveway. It will probably be fine, but as mentioned you need a lot more data to be sure. Ask them what happens if their big heavy trucks damage your driveway and see what they think.
– JPhi1618
Mar 26 at 15:44
Non technical answer: The roofing company does this all the time, and they don't want to break your driveway. It will probably be fine, but as mentioned you need a lot more data to be sure. Ask them what happens if their big heavy trucks damage your driveway and see what they think.
– JPhi1618
Mar 26 at 15:44
@DMoore, I'll agree with that. Even if they said they would fix the driveway, they would probably want to do it the easy way and then fight against anything else.
– JPhi1618
Mar 26 at 16:08
@DMoore, I'll agree with that. Even if they said they would fix the driveway, they would probably want to do it the easy way and then fight against anything else.
– JPhi1618
Mar 26 at 16:08
6
6
@JPhi1618 - if driveway broke, homeowner should expect two bags of quickcrete patch repair and a guy missing half his teeth making $10 an hour reading the instructions, mixing it and spreading it on with a trowel. Not even exagerating on this one.
– DMoore
Mar 26 at 16:13
@JPhi1618 - if driveway broke, homeowner should expect two bags of quickcrete patch repair and a guy missing half his teeth making $10 an hour reading the instructions, mixing it and spreading it on with a trowel. Not even exagerating on this one.
– DMoore
Mar 26 at 16:13
if in doubt, you can half the weight by having it run the passenger-side tires on the grass.
– dandavis
Mar 26 at 17:33
if in doubt, you can half the weight by having it run the passenger-side tires on the grass.
– dandavis
Mar 26 at 17:33
|
show 1 more comment
2 Answers
2
active
oldest
votes
Unless your home is a 20 bedroom mansion I would simply tell them to keep that off your driveway period. You can't tell what load it will take because it depends how packed it still is, what condition it is in and how thick it was poured (and if this was uniformly done). Often these large trucks will crack driveways in the corners of their pours since the depth in the parts are tapered even by the most reputable companies and can get to 3-4" inches with poor contractors.
So just don't let them on driveway or make that a risk their insurance will pay for. I have roofers at sites all the time. I hardly ever let them on the driveway. With a crew of 4-5 they can carry the stuff/wheelbarrow/whatever and it is done in 20 mins. Stay off my driveways, don't break them, don't drop crap from your trucks, don't spit mud everywhere - not my problem.
If my front lawn is not in great condition and it is dry I tell them to use that. That is all I offer. If they have a regular truck then fine. Even a bobcat I will not let them go up and down the driveway unless they are paying for repairs.
Bottom line is you paid for a new roof. Their deal to get shingles to your house. Not saying to be unreasonable - I try to make things easy for trades to get future discounts but you must use common sense. There is a good chance that crew suggests pulling truck next to house and then if the owner came out he would yell at them (worried about being liable for damage). Yes of course a truck that big could damage a good percentage of driveways.
Addition for dump truck: This depends on size. I have never had a roofing company use a dump truck at my site. These are less risk because of wheel sizes but still not letting a full size one on my driveway. Most roofing companies for a residential house use dump trailers that are a lot less invasive and they are lower to the ground so you can get these really close to house so there isn't a ton of stuff in the gap.
(FYI this size truck is about the same size the big boxes use to deliver bulk drywall. The operators of these trucks will not come on your driveway if you request that they do. Simply they know the chance for damage is high and they would probably be liable and get fired. That is why they use a forklift. If there was no risk then these huge companies would be instructing their operators to save time by driving as close as possible - big companies micromanage these processes to make money.)
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
1
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
9
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
2
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
1
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
|
show 6 more comments
Roofers are notorious for the taillight warranty, working high (not high up) and just being generally unprofessional. I have many roofer friends and family members to. When customers ask, do you have a roofer? I say no. Because I've been embarrassed so many times. Many of them don't care about anything below the eavestrough. Be clear up front about them not using the driveway. It may change the price because it may change their method for doing the job but that's okay. Any decent tradesmen should be able to accommodate you as long as you are upfront about your request and are willing to pay a small compensation. Remember if it takes a couple hours longer with a crew of guys, that translates to several hundred dollars in extra wages.
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
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2 Answers
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active
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2 Answers
2
active
oldest
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Unless your home is a 20 bedroom mansion I would simply tell them to keep that off your driveway period. You can't tell what load it will take because it depends how packed it still is, what condition it is in and how thick it was poured (and if this was uniformly done). Often these large trucks will crack driveways in the corners of their pours since the depth in the parts are tapered even by the most reputable companies and can get to 3-4" inches with poor contractors.
So just don't let them on driveway or make that a risk their insurance will pay for. I have roofers at sites all the time. I hardly ever let them on the driveway. With a crew of 4-5 they can carry the stuff/wheelbarrow/whatever and it is done in 20 mins. Stay off my driveways, don't break them, don't drop crap from your trucks, don't spit mud everywhere - not my problem.
If my front lawn is not in great condition and it is dry I tell them to use that. That is all I offer. If they have a regular truck then fine. Even a bobcat I will not let them go up and down the driveway unless they are paying for repairs.
Bottom line is you paid for a new roof. Their deal to get shingles to your house. Not saying to be unreasonable - I try to make things easy for trades to get future discounts but you must use common sense. There is a good chance that crew suggests pulling truck next to house and then if the owner came out he would yell at them (worried about being liable for damage). Yes of course a truck that big could damage a good percentage of driveways.
Addition for dump truck: This depends on size. I have never had a roofing company use a dump truck at my site. These are less risk because of wheel sizes but still not letting a full size one on my driveway. Most roofing companies for a residential house use dump trailers that are a lot less invasive and they are lower to the ground so you can get these really close to house so there isn't a ton of stuff in the gap.
(FYI this size truck is about the same size the big boxes use to deliver bulk drywall. The operators of these trucks will not come on your driveway if you request that they do. Simply they know the chance for damage is high and they would probably be liable and get fired. That is why they use a forklift. If there was no risk then these huge companies would be instructing their operators to save time by driving as close as possible - big companies micromanage these processes to make money.)
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
1
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
9
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
2
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
1
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
|
show 6 more comments
Unless your home is a 20 bedroom mansion I would simply tell them to keep that off your driveway period. You can't tell what load it will take because it depends how packed it still is, what condition it is in and how thick it was poured (and if this was uniformly done). Often these large trucks will crack driveways in the corners of their pours since the depth in the parts are tapered even by the most reputable companies and can get to 3-4" inches with poor contractors.
So just don't let them on driveway or make that a risk their insurance will pay for. I have roofers at sites all the time. I hardly ever let them on the driveway. With a crew of 4-5 they can carry the stuff/wheelbarrow/whatever and it is done in 20 mins. Stay off my driveways, don't break them, don't drop crap from your trucks, don't spit mud everywhere - not my problem.
If my front lawn is not in great condition and it is dry I tell them to use that. That is all I offer. If they have a regular truck then fine. Even a bobcat I will not let them go up and down the driveway unless they are paying for repairs.
Bottom line is you paid for a new roof. Their deal to get shingles to your house. Not saying to be unreasonable - I try to make things easy for trades to get future discounts but you must use common sense. There is a good chance that crew suggests pulling truck next to house and then if the owner came out he would yell at them (worried about being liable for damage). Yes of course a truck that big could damage a good percentage of driveways.
Addition for dump truck: This depends on size. I have never had a roofing company use a dump truck at my site. These are less risk because of wheel sizes but still not letting a full size one on my driveway. Most roofing companies for a residential house use dump trailers that are a lot less invasive and they are lower to the ground so you can get these really close to house so there isn't a ton of stuff in the gap.
(FYI this size truck is about the same size the big boxes use to deliver bulk drywall. The operators of these trucks will not come on your driveway if you request that they do. Simply they know the chance for damage is high and they would probably be liable and get fired. That is why they use a forklift. If there was no risk then these huge companies would be instructing their operators to save time by driving as close as possible - big companies micromanage these processes to make money.)
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
1
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
9
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
2
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
1
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
|
show 6 more comments
Unless your home is a 20 bedroom mansion I would simply tell them to keep that off your driveway period. You can't tell what load it will take because it depends how packed it still is, what condition it is in and how thick it was poured (and if this was uniformly done). Often these large trucks will crack driveways in the corners of their pours since the depth in the parts are tapered even by the most reputable companies and can get to 3-4" inches with poor contractors.
So just don't let them on driveway or make that a risk their insurance will pay for. I have roofers at sites all the time. I hardly ever let them on the driveway. With a crew of 4-5 they can carry the stuff/wheelbarrow/whatever and it is done in 20 mins. Stay off my driveways, don't break them, don't drop crap from your trucks, don't spit mud everywhere - not my problem.
If my front lawn is not in great condition and it is dry I tell them to use that. That is all I offer. If they have a regular truck then fine. Even a bobcat I will not let them go up and down the driveway unless they are paying for repairs.
Bottom line is you paid for a new roof. Their deal to get shingles to your house. Not saying to be unreasonable - I try to make things easy for trades to get future discounts but you must use common sense. There is a good chance that crew suggests pulling truck next to house and then if the owner came out he would yell at them (worried about being liable for damage). Yes of course a truck that big could damage a good percentage of driveways.
Addition for dump truck: This depends on size. I have never had a roofing company use a dump truck at my site. These are less risk because of wheel sizes but still not letting a full size one on my driveway. Most roofing companies for a residential house use dump trailers that are a lot less invasive and they are lower to the ground so you can get these really close to house so there isn't a ton of stuff in the gap.
(FYI this size truck is about the same size the big boxes use to deliver bulk drywall. The operators of these trucks will not come on your driveway if you request that they do. Simply they know the chance for damage is high and they would probably be liable and get fired. That is why they use a forklift. If there was no risk then these huge companies would be instructing their operators to save time by driving as close as possible - big companies micromanage these processes to make money.)
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
Unless your home is a 20 bedroom mansion I would simply tell them to keep that off your driveway period. You can't tell what load it will take because it depends how packed it still is, what condition it is in and how thick it was poured (and if this was uniformly done). Often these large trucks will crack driveways in the corners of their pours since the depth in the parts are tapered even by the most reputable companies and can get to 3-4" inches with poor contractors.
So just don't let them on driveway or make that a risk their insurance will pay for. I have roofers at sites all the time. I hardly ever let them on the driveway. With a crew of 4-5 they can carry the stuff/wheelbarrow/whatever and it is done in 20 mins. Stay off my driveways, don't break them, don't drop crap from your trucks, don't spit mud everywhere - not my problem.
If my front lawn is not in great condition and it is dry I tell them to use that. That is all I offer. If they have a regular truck then fine. Even a bobcat I will not let them go up and down the driveway unless they are paying for repairs.
Bottom line is you paid for a new roof. Their deal to get shingles to your house. Not saying to be unreasonable - I try to make things easy for trades to get future discounts but you must use common sense. There is a good chance that crew suggests pulling truck next to house and then if the owner came out he would yell at them (worried about being liable for damage). Yes of course a truck that big could damage a good percentage of driveways.
Addition for dump truck: This depends on size. I have never had a roofing company use a dump truck at my site. These are less risk because of wheel sizes but still not letting a full size one on my driveway. Most roofing companies for a residential house use dump trailers that are a lot less invasive and they are lower to the ground so you can get these really close to house so there isn't a ton of stuff in the gap.
(FYI this size truck is about the same size the big boxes use to deliver bulk drywall. The operators of these trucks will not come on your driveway if you request that they do. Simply they know the chance for damage is high and they would probably be liable and get fired. That is why they use a forklift. If there was no risk then these huge companies would be instructing their operators to save time by driving as close as possible - big companies micromanage these processes to make money.)
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
edited Mar 26 at 16:58
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
answered Mar 26 at 16:01
DMooreDMoore
29.2k1354122
29.2k1354122
1
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
9
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
2
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
1
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
|
show 6 more comments
1
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
9
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
2
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
1
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
1
1
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
Tell them to use a forklift
– Sunnyskyguy EE75
Mar 26 at 16:26
9
9
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
edification: the thickness of the concrete doesn't matter much; most of the strength in a road/lot is from the base+sub-base material; thickness and quality (particularly gradation and compactness). 4" of concrete on 10" of limestone will be much stronger than 6" of concrete on 4" of base. I've seen crack-less decades-old hotmix surfaces, you can thank a non-chincy base for that. In short, don't judge a surface by the surface; look deeper.
– dandavis
Mar 26 at 17:40
2
2
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
@dandavis I was about to say the same thing. The base is what matters here, a properly laid slab can handle that kind of load no problem... but concrete has poor tensile strength, so what you have to worry about is base deformation which would force the slab to act like a bridge in certain areas
– TheCatWhisperer
Mar 26 at 18:06
1
1
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@dandavis - great comment. Most of the issues are on edges where the base has separated from the submaterial. Thickness matters but you are right, it isn't the main part of the equation.
– DMoore
Mar 26 at 18:06
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
@DMoore I guess we all have a concrete idea of what's going on ;) I did a quick and dirty repair of the sidewalk going to my door. Everyone said the repair would crack within a few months because the pour was way too thin. But the base was solid and I properly formulated the mixture. 7 winters and not even a hairline crack :)
– TheCatWhisperer
Mar 26 at 18:22
|
show 6 more comments
Roofers are notorious for the taillight warranty, working high (not high up) and just being generally unprofessional. I have many roofer friends and family members to. When customers ask, do you have a roofer? I say no. Because I've been embarrassed so many times. Many of them don't care about anything below the eavestrough. Be clear up front about them not using the driveway. It may change the price because it may change their method for doing the job but that's okay. Any decent tradesmen should be able to accommodate you as long as you are upfront about your request and are willing to pay a small compensation. Remember if it takes a couple hours longer with a crew of guys, that translates to several hundred dollars in extra wages.
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
add a comment |
Roofers are notorious for the taillight warranty, working high (not high up) and just being generally unprofessional. I have many roofer friends and family members to. When customers ask, do you have a roofer? I say no. Because I've been embarrassed so many times. Many of them don't care about anything below the eavestrough. Be clear up front about them not using the driveway. It may change the price because it may change their method for doing the job but that's okay. Any decent tradesmen should be able to accommodate you as long as you are upfront about your request and are willing to pay a small compensation. Remember if it takes a couple hours longer with a crew of guys, that translates to several hundred dollars in extra wages.
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
add a comment |
Roofers are notorious for the taillight warranty, working high (not high up) and just being generally unprofessional. I have many roofer friends and family members to. When customers ask, do you have a roofer? I say no. Because I've been embarrassed so many times. Many of them don't care about anything below the eavestrough. Be clear up front about them not using the driveway. It may change the price because it may change their method for doing the job but that's okay. Any decent tradesmen should be able to accommodate you as long as you are upfront about your request and are willing to pay a small compensation. Remember if it takes a couple hours longer with a crew of guys, that translates to several hundred dollars in extra wages.
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
Roofers are notorious for the taillight warranty, working high (not high up) and just being generally unprofessional. I have many roofer friends and family members to. When customers ask, do you have a roofer? I say no. Because I've been embarrassed so many times. Many of them don't care about anything below the eavestrough. Be clear up front about them not using the driveway. It may change the price because it may change their method for doing the job but that's okay. Any decent tradesmen should be able to accommodate you as long as you are upfront about your request and are willing to pay a small compensation. Remember if it takes a couple hours longer with a crew of guys, that translates to several hundred dollars in extra wages.
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
answered Mar 28 at 4:11
Joe FalaJoe Fala
5,215328
5,215328
add a comment |
add a comment |
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Where do you live? What's the thickness of the driveway? What's the makeup of the concrete? Is there steel mesh or rebar located within the slab? Are there any existing issues with cracking, settling etc of the driveway? What type of base is under the concrete? As you can see, we'll need far more information before anyone can even imagine trying to come up with an answer.
– stevieb
Mar 26 at 15:16
1
Non technical answer: The roofing company does this all the time, and they don't want to break your driveway. It will probably be fine, but as mentioned you need a lot more data to be sure. Ask them what happens if their big heavy trucks damage your driveway and see what they think.
– JPhi1618
Mar 26 at 15:44
@DMoore, I'll agree with that. Even if they said they would fix the driveway, they would probably want to do it the easy way and then fight against anything else.
– JPhi1618
Mar 26 at 16:08
6
@JPhi1618 - if driveway broke, homeowner should expect two bags of quickcrete patch repair and a guy missing half his teeth making $10 an hour reading the instructions, mixing it and spreading it on with a trowel. Not even exagerating on this one.
– DMoore
Mar 26 at 16:13
if in doubt, you can half the weight by having it run the passenger-side tires on the grass.
– dandavis
Mar 26 at 17:33