Concrete / Discussions

Can you use Foam boards on basement walls to stop condensation?

...concrete temps and prevent inside warmer air from touching the concrete and condensating...but wanted to get opinions prior to spending $300. Thanks The air s...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses

Should I install basement drain tile vents?

I'm installing basement drain system and the contractor wants to install vents through the concrete floor at the wall junction to drain moisture condensate fro...

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

What kind of insulation do you recommend to put on my exterior sheet rock wall?

...concrete like material, about 3/4" thick). I was thinking about attaching large insulating panels (styrofoam or similar) similar to the ones they use all over E...

Posted by Uwe Thomas May 22, 2020, 10 p.m. Insulation and soundproofing 1 Responses

How do you fix a moisture problem in a finished basement?

...concrete appeared to be saturated with water. We inspected the foundation outside. The foundation seems to be sealed, although we had to dig down six inches or ...

Posted by Margo MACFARLANE Oct. 28, 2019, 10:24 a.m. Foundation and basement improvements 1 Responses

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

...concrete floor and up against the wall as well. If so, it would be best to remove it if you still can since the concrete will continue to absorb moisture and in...

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

Can you add a screen/sun room and deck to a slab on grade?

...concrete slab for this extension and not have it heated? Concerned that the concrete will fail on the extension as the heated slab will float differently then t...

Posted by Pierre Contant July 1, 2020, 10:55 a.m. Slab on Grade 2 Responses

How do you best use polyiso insulation in a basement?

...concrete foundation wall by 2x4 stud framing, (bottom plate N0T in direct contact with concrete floor but iso is) Stud bays properly filled with Roxul/rockwool ...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

What's the difference between EPS and GPS insulation?

...concrete floor, on top of it. I have very limited head room, no more than 5 ft where there is no pipes on the ceiling.

Posted by Ronald Tetrault Feb. 3, 2021, 5:22 p.m. 0 Responses

Can my shallow crawl space be converted to a slab foundation?

...concrete footings poured and the floor of the crawl space covered in crushed stone. I have high humidity in the house and crawl space (despite the fact that the...

Posted by Sian O'Keefe Aug. 15, 2020, 12:52 p.m. Slab on Grade 1 Responses

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

...concrete, by replacing soil with washed gravel 4' deep under my permacolumn Pole barn house walls. Rubble foundation. I would use FPSF insulation methods with r...

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

Should I insulate a crawl space from the outside?

...concrete wall. My concern is trapping water in the concrete, a serious problem in our cold climate. Also the floor joists are cast into foundation walls which m...

Posted by Ryan Argente March 7, 2021, 5:07 p.m. Crawl spaces 0 Responses

Is EPS or XPS better for use in basement rim joists? Should faced or unfaced foam boards be used?

...concrete walls of a basement like mine--at least when one considers that my basement concrete has already had many years to dry out (presumably about as much as...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 6 Responses

How do I insulate my half below grade basement?

...concrete, just above grade height, goes down the concrete wall, under a 6" frame (with R24 roxul batts) and continues up the warm side of the studs (Studs kept ...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

Can you install a slab on grade foundation in the Fall and leave it over winter?

...concrete flooring as our finished floor so keeping it in good condition o finish is important. Thanks for your thoughts! Yes, you can build a slab on grade fo...

Posted by Matthew Gioia Sept. 21, 2020, 9:15 p.m. Slab on Grade 1 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

...concrete floor. Assuming you have at least 3 or 4 inches of concrete in your floor, it will most likely absorb as much solar-generated heat as you could possibl...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

How much insulation do you need for a Basement floor in an ICF home?

...concrete floor? You will for sure need insulation below your basement floor . The minimal levels of insulation required to meet building code amount to signific...

Posted by Gary Abbott Nov. 23, 2020, 1:36 p.m. Basements 1 Responses

How do you insulate a crawlspace with dirt floor?

...concrete block walls (2 inch) The cottage is 900 square ft. To complicate things, we have just made a 400 square foot addition on concrete piers which is also n...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 2 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...concrete, and as long as the home is a comfortable temperature, your feet won’t really feel cold standing on wood floors like they would on concrete. And whil...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses