EPS foam / Discussions

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

...EPS & XPS rigid insulation boards I have a few questions that will help us pin down the best way forward for you - How old is the home? Is there an exterior...

Posted by Evan B. Nov. 21, 2019, 8 p.m. Basements improvements 1 Responses

Should I bother testing for radon in a gutted and uninsulated house?

...foam, I think that’s a great idea using reclaimed EPS foam panels. For the radon tube, a 12 x 12 x 12 opening to draw air from works as an 'active' stack with a...

Posted by Luba Sharapan March 27, 2021, 12:04 p.m. Radon in Homes - Mitigation 3 Responses

How do you fix moisture problems in basement?

...foam blocks (one cheap sheet of EPS from a local building supply store would be all you likely need) so the spray foam can get under and behind. That way your w...

Posted by John rodrigues Nov. 27, 2020, 8:50 a.m. Basements improvements 3 Responses

Are mice droppings and urine toxic?

...EPS rigid foam boards or Rockwool would be a better alternative. Both are more suitable for potentially humid environments, and Rockwool in particular is made w...

Posted by JT Nov. 14, 2017, 4:49 p.m. Pest control 1 Responses

What is the best insulation Under 2" Cement flat Roof in NYC?

...EPS & XPS Foam Insulation & Styrofoam It's still a great insulation, just not quite up to the R6.5 + levels that were originally claimed. So the more 'energy ...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

How do you prevent mold under flooring of a house on concrete slab?

...EPS foam insulation would prevent moisture from migrigrating up from the ground where it can cause mold. A couple of questions and we can help more – Where are ...

Posted by Linds Cullen Dec. 31, 2020, 4:11 p.m. Slab on Grade 3 Responses

How do you finish the exterior of slab on grade?

...EPS foam foundation kit, all you need to do is parge it. See below the slab under construction.

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

How do you remove moisture and condensation from basement walls?

...foam or rigid foam and do not change the exterior waterproofing, will that stop the moisture from coming inside? Or is digging down and adding a waterproofing m...

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

What is the best way to install 5" of XPS rigid foam on interior basement walls?

...foam glued to concrete then wood glued to foam will last. The stud wall can be screwed to the ceiling and the floor, which makes the foam adhesive obsolete on...

Posted by Sean MacDonald June 14, 2021, 10:42 a.m. Foundation and basement improvements 8 Responses

Which is the best exterior insulation board to make a cottage 3 season?

...EPS is mostly air (3% plastic?), affordable, does a great job, permeable, that it's hard to beat. If i was adamant about not using plastics/oil - and as wood ...

Posted by Sharon Challingsworth April 23, 2021, 7:16 a.m. Insulation and soundproofing 1 Responses

Have you heard of Gigacrete and is it any good?

...EPS panels that encapsulate probably double stud light frame steel construction. Light frame steel definitely sweats if left too close to the cold side, and wil...

Posted by Sasha P Aug. 29, 2019, 4:21 p.m. Wall assemblies - new construction 3 Responses

Can you add external insulation to a brick home?

...EPS & XPS Foam Insulation & Styrofoam Rockwool isn’t harmed by moisture and it lets moisture move right through it, which is a very good thing to use for an e...

Posted by Rachel Kaiser April 2, 2020, 9:11 a.m. Wall assemblies - renovation 1 Responses

How do I insulate my half below grade basement?

I am about to start a full strip out and rebuild of my basement to make a secondary suite. I've been reading all the information on the site and find it very u...

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

Insulation on interior or exterior of frost wall - or both - for floating slab?

...EPS foam insulation, so you only have to go down 4 inches instead of 4 feet. Where are you building Marc-Andre? Thanks. Building in area of Wakefield QC. I wo...

Posted by Marc-Andre Roy Oct. 4, 2021, 9:20 a.m. Slab on Grade 5 Responses

What is the perfect wall assembly?

...EPS foam, and they have a metal rail in the middle of the panel that is used to attach them. What you do is remove the ‘snap track’ of insulation, fasten the pa...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

What is the best way to reduce humidity in a basement?

...foam strip! So - as we want to use the space in the basement, what are the suggested steps to reduce the humidity? What should we put on the uninsulated floor...

Posted by Robert J. Pierson Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

Is there anything I can do about a vapor barrier on the wrong side of a basement wall?

...foam board, I still have multiple iron spikes embedded in the concrete. Do I need those? May I cut them flush? Also before foam board, should I paint some wat...

Posted by Iain B Feb. 8, 2021, 2:21 p.m. Basements improvements 7 Responses

Can you insulate an existing slab on grade floor?

...EPS foam and then a new subfloor on top. Below is a thermal image of what your floor would currently look like on the left, 2.5 inches of insulation in the mi...

Posted by Patrick Berkeley Dec. 31, 2020, 10:14 p.m. Foundation and basement improvements 5 Responses