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Question DetailsAsked on 4/2/2014

What type of contractor does exterior foundation waterproofing?

I'm looking to get an estimate on waterproofing the exterior of my foundation at the front of the house. My yard slopes downward from street to house. Most of the yard drains ok around the left side of the house, which bumps forward from the main rectangle of the house. The driveway is on the right side and slopes into the carport, so I plan to have that addressed with either a channel drain or a swale to divert water around the right side of the house.

That leaves the center of the house, which drains down toward the bumpout, with a low spot in the center. When I bought the house, there were some rotted joists in that area, which were replaced. I have set up a contract to have my crawl space encapsulated, so interior moisture won't be an issue.

However, I would like to address the low spot in front of the house. A drain sloping past the carport around to the right is an option. Should I also consider waterproofing the exterior of the foundation? Who does that kind of work?

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3 Answers

0
Votes

You could consult with a General Contractor or WaterProofing Contractor to complete

your job . Both would be very competent at the job and help You solve your problems.

Check on here , Angies List for contractors in your area !

Answered 5 years ago by BentheBuilder

0
Votes

Check out the Home > Basement Waterproofing link right under your question for suggestions and solutions in similar cases.


In your case, sounds to be like the best approach, depending on utilities and such, is grade the ground to at least 2% and preferably 10% slope away from the house, leaving 4 inch minimum )or whatever code requires in your area) between ground and top of foundation/bottom of siding (whichever is lower) down to a swale or ditch - either plastic lined with pond /landfill liner or asphalt/concrete located at least 3 and preferably 5 feet away from the foundation, leading away to surface drainage. IF you tend to be pretty swampy around the house, probably better to put in a french drain a few feet down under the swale to pull the groundwater level down, and line the swale with just plastic liner or compacted impervious soil because it is likely to settle a bit over the drain.


If you have not had water coming in the foundation, then I would just make sure all roof runoff (gutters) goes to the swale or further away and see what happens - probably will be fine. If you have significant basement water I think that would have been your primary question, so I am guessing the answer to basemetn waterproofing would be no. If that IS a significant issue, I would do the gutters and swale and collector drain under it first because you need to get the surface water away from the foundation anyway - make sure the swale is at least 5 feet away except maybe where crossing in front of garage door, so foundation waterproofing can be done in future if needed.


I would go for the few thousand $ fix right now and leave the $10-30,000 variety as a fallback only if really needed.

Answered 5 years ago by LCD

0
Votes

Thanks for the answers. I ended up hiring a landscape architect to do a grading and drainage plan to direct water away from my foundation. He recommended some landscaping contractors and I plan to check the list here as well. The plan is to grade to a swale about 5' from the house, and to use a channel drain in front of the carport.

Answered 5 years ago by 1955ranch




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