Drainage / Discussions

What is the best way to renovate a basement after a flood?

...drainage system of exterior clay weeping tile connected to a running trap that evacuated into the sanitary line. We had 12 cm of water on the floor overnight. T...

Posted by Wren Toombs June 18, 2018, 10:52 a.m. Foundation and basement improvements 2 Responses

Have you excavated under one of your slabs middle of winter?

...drainage, is why I'm considering this method. Thanks! There is no reason to excavate under a slab, and no, you would not find frost under a slab we built. We ...

Posted by Mike Kolder Jan. 31, 2021, 2:31 p.m. Slab on Grade 1 Responses

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...drainage system). So, I just want to check my understanding of the process before continuing much further. At present, I am considering moving as many as possib...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 2 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...drainage as well. To do the outside I would propose that you install a dimple drainage matt , along with a weeping tile drained to daylight if you can, and rigi...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

Where do you install a weeping tile with a high water table?

...drainage issues you are talking about, so a possible alternative would be to install a raft slab, which is a slab on grade that distributes the weight evenly ov...

Posted by Alex Kesheshian June 11, 2020, 11:54 p.m. Foundations and Basements 1 Responses

What is the best way to do wall construction using Charred Cedar Siding?

...drainage plane where any moisture that does make it in can safely be drained out. Depending on the style of siding - which can be vertical like board and batt...

Posted by Dobie Cheung June 6, 2020, 10:44 p.m. Exterior cladding 1 Responses

Where can I find supplies for a green roof?

...drainage cup layer followed by dirt. You can see the green roof materials from Dorken systems here , there are of course others to chose from, but the basic t...

Posted by Nadia Naderi Oct. 8, 2020, 6:38 p.m. Roof coverings 1 Responses

Is it not structurally dangerous to smash a concrete floor for a drain?

So while you're building the wall, you're supposed to remove the concrete foundation and insulate the floor? Isn't that dangerous? What happens if you break up...

Posted by t b March 2, 2021, 3:18 p.m. Waterproofing and drainage 2 Responses

Can you provide Crawlspace Insulation Design Assistance?

...drainage into easily. Any comments on my plans would be greatly appreciated. I'd be happy to add photos if they would better help to visualize my situation. T...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

How do you prevent mold in a finished basement?

...drainage? Have you had flooding?

Posted by Brian Cole Nov. 22, 2019, 10:22 a.m. Basements improvements 1 Responses

How do you remove moisture and condensation from basement walls?

...drainage matt), so with the concrete being porous it will continue to absorb moisture from the ground and deposit it inside the wall. We have a few pages that...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

Can you spray foam a house from the outside?

...drainage plane, then install siding with air space with vertical strapping , and finally the Hardie board cladding. Terrific, thank you. I'm concerned about wha...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

How do you create a slab on grade on a slope?

...drainage layer of stone with insulating skirt should prevent frost-heave, and install drains in the patio linked to the perimeter drain to keep everything dry d...

Posted by Adrienne Rayna June 30, 2020, 3:58 p.m. New foundations and slab-on-grade 3 Responses

Is the ZIP sheathing system good or bad for water control?

...drainage plane – I wouldn’t be concerned myself. I don’t trust the cheap building tapes that regrettably dominate the mainstream house building market, because ...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...drainage plane, and vertical strapping to allow moisture to vent and water to drain, which won’t happen if you install strapping horizontally. We have a page on...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

My basement is smelly and humid, what can I do about that?

...drainage mat (dimple membrane) that will protect your porous foundation walls from absorbing moisture from the ground. Be sure to consult professionals, and g...

Posted by Jeff O. Feb. 8, 2017, 10:22 a.m. Foundation and basement improvements 3 Responses

What are the foundation options for a prefab house?

...drainage issues by having the slab notched into the slope.

Posted by Richard Bowie Nov. 20, 2020, 3:40 p.m. Foundations and Basements 2 Responses

How can I get rid of moisture between the vapor barrier and the insulation in a basement?

...drainage, and left to dry to the interior for many years before interior walls were finished, you could possibly argue that it wasn’t the source of moisture, bu...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 22 Responses