Foundation / Discussions

How do I waterproof a foundation from the inside?

...foundation; it seems right now you may be directing it towards your foundation, that will exert hydro-static pressure on your foundation walls, and possibly com...

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

Can you elevate a slab on grade foundation?

...foundation? Or if it's even possible? I'd like the insulated slab on grade foundation idea but just wondering if elevating it 3ft. is possible? or is going with...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 1 Responses

What's the difference between a slab on grade and a monolithic foundation?

...foundation foam forms to get a quote for an addition in Michigan and keep reading about slab on grade and monolithic foundation styrofoam forms - is there a dif...

Posted by Ronaldo Johnitas Dec. 10, 2019, 6:12 a.m. Slab on Grade 4 Responses

Can you Insulate a Cinder block basement foundation with Rockwool?

...foundation wall in the winter during heating season and want to allow wall to dry in the summer . I am also a bit confused about smart retarder and how they w...

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

Can you install tubing under a slab on grade foundation to extract heat in winter?

Can tubing for a ground source heat pump be put under an iso-slab slab on grade foundation to extract winter heat We generally recommend people check with an e...

Posted by Jennifer Cole Aug. 28, 2019, 11:34 a.m. Slab on Grade 1 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

...foundation or slab-on-grade) doesn’t heave would be to have it modelled for your specific climate by an engineer, ideally a geotechnical engineer. In general ...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

Can you replace an old slab foundation with an air heated slab?

...foundation, but with a slab you’ve almost certainly got interior division walls as well as kitchens and bathrooms resting right on the concrete that would be vi...

Posted by Mike Molloy Nov. 7, 2019, 8:44 p.m. Slab on Grade 1 Responses

Can you help me choose between a slab on grade and pressure treated wood foundation?

...foundation (PWF) would be an alternative to a concrete foundation , and a poor one at that. The end result of mixing wood and moisture will always be rot. So bu...

Posted by Margot Simonot May 20, 2019, midnight Slab on Grade 1 Responses

Can you use spray foam Insulation under a slab?

new house. Can we insulate under slab with foam polyurethane. If not, why? When building a slab on grade, EPS rigid foam insulation is the most common choice o...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

What is the best practice to insulate a crawl space floor?

...foundation wall with lattice work on one side and a dirt floor, the whole underside of the house is exposed to the exterior temperatures. I think you first need...

Posted by austin Fanning March 16, 2020, 8:55 a.m. Crawl spaces 4 Responses

What is your opinion on filling block foundations with concrete?

...foundation is weaker than a poured foundation, so any cracks should be more closely examined, and block foudations are better insulated on the outside than on t...

Posted by Nina Hartt March 21, 2019, 8:06 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?

...foundation can be risky due to the fact that that like a CMU or cinderblock foundation, they are not as strong as a poured concrete foundation and they rely onl...

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

How do you rebuild an existing basement?

...foundation can be done as long as the basement is structurally solid, to do that you would be best to consult an engineer and have it inspected. Best is to chec...

Posted by Lisa Tuck April 14, 2020, 11:34 p.m. Basements improvements 1 Responses

How do you finish the exterior of slab on grade?

I am looking at your example of a slab on grade construction technique and wondering how you finish the exterior of the footing insulation once the forms are r...

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

Can you help me decide between a foundation, slab on grade and crawlspace?

...Foundations Better - which is Better for Cost and Durability? The downside of a slab is that all your plumbing is embedded in concrete so it’s not conducive t...

Posted by David Davenport Nov. 26, 2018, 12:57 a.m. New foundations and slab-on-grade 1 Responses

Do you have an Engineer directory for slab on grade designers?

...foundation as most municipalities would require? We don't currently have a directory of professionals to offer sorry, But where are you building? It can sometim...

Posted by Paul Giusto Dec. 30, 2019, 8:12 a.m. Slab on Grade 1 Responses

What is your opinion about building a garage on posts (screw piles)?

...foundation. Thanks for any help. Additions and small buildings are often built on screw piles, so sure, you can do it. But there are a few advantages and disadv...

Posted by Les P Dec. 11, 2017, 2:21 p.m. Foundations and Basements 1 Responses

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

I’m insulating my basement with 2” of EPS against poured concrete foundation, then framing a 2x4 wall, then adding Rockwool. Unfortunately, due to some areas, ...

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