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 1 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

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

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 4 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 Joe F Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 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

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 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

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 2 Responses

How do you build a mold-free basement in a new construction house?

...drainage paper; is it actually ‘paper’ or is it something waterproof? When you say it is framed, I assume that means wood studs, and so are they directly agai...

Posted by Charmaine Herzig Feb. 10, 2020, 7:32 p.m. Basements improvements 2 Responses

How you vent a metal roof?

...Drainage plane membrane Vertical strapping (for air space) Horizontal strapping (To accommodate metal roofing) Metal roofing. Any alternative method, ...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

What do I in my basement where new insulation meets old?

...drainage matt, signs of water damage, etc.), it’s impossible to say for sure, sorry. Without doing a full demolition of your laundry room, can you access the ...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

How well do Legalett slab on grades work?

...drainage issues or had no clay, building with a footing could be a bit cheaper, but not better. In your case Steve, Legalett may actually be the most cost-effec...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

How do I waterproof a foundation from the inside?

...drainage and other storm water protection may solve the problem so definitely start with that and see if it solves the problem. Some of these features you may...

Posted by Kurt Brenner Nov. 14, 2017, 9:47 a.m. Foundations and Basements 1 Responses

Should I install basement drain tile vents?

...drainage is essential for basements, so if it was not built properly in the first place then digging a trench along the interior perimeter to install a weeping ...

Posted by gary taube Dec. 11, 2019, 10:14 p.m. Foundation and basement improvements 3 Responses

How does a Passive House handle floods?

...drainage and no sump pump and find your basement ruined by a minor flood, but if you built a slab on grade house a foot above the surrounding ground you could c...

Posted by Wendy Tsao May 7, 2018, 12:46 p.m. Foundations and Basements 1 Responses

Can you Insulate a Cinder block basement foundation with Rockwool?

...drainage, either a surface drain in the concrete, or we would remove the concrete from the floor along the perimeter and install a French drain. That way you ke...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses

How do you prevent walls from rotting in humid climates?

...drainage and drying . If your exterior siding will be wood, keep the bottoms at least a foot from the ground. Consider a siding other than wood . Keep all...

Posted by Rose Alderson Nov. 5, 2018, 4:34 p.m. Wall assemblies - new construction 1 Responses