EPS foam / Discussions

What is the best way to insulate the basement of an old house?

...EPS foam acts pretty much as a type II residential vapor barrier, but I would put the vapor barrier right against the foam and do the poly on top. And as for ...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 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

Which is the best basement insulation?

...EPS rigid foam, read more here – Choosing the right Rigid Insulation Panels And yes, I would say running the Rigid insulation from the bottom of the concret...

Posted by Alex Kesheshian April 23, 2020, 12:29 a.m. Basements 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

How you vent a metal roof?

...EPS (R4) with EPS Silverboard SB-35 foam insulation (R5)? Would this be equally effective? Would it alter your recommendations for how to proceed in a manner th...

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

Has anyone insulated under a swimming pool?

...foam boards under 6-7000 gallons of water to keep the ground from sucking the heat out of the pool. Haven't found anyone that has done this, would rigid foam be...

Posted by Randy Parent May 10, 2021, 8:28 p.m. Natural swimming pools and ponds 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

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

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

How much insulation should I install underneath my concrete slab in my basement?

...EPS foam, at least 4 inches, better would be 6 or 8 inches if you can, but not more than that. Below is a thermal model of what a floor would like in a climat...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 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

What is the best way to insulate embedded joists in a basement Montreal Home?

...foam the joist area while using XPS ridgid boards for the wall and floor. ( Top of slab) Whats the best approach. Thank you We advise against spray foamin...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement 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

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...EPS with perforated foil is going to be more breathable than say, EPS with un-perforated foil, but a breathable house wrap and Rockwool is still a safer route. ...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

What type of Insulation can I use on the exterior of my home?

...EPS & XPS Foam Insulation & Styrofoam There are rigid insulation boards that will act as the insulation only, insulation and air barrier only, or all in one -...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...EPS + plywood) on the concrete floor too. The rest of the house is double brick with minimal to no insulation in the walls. Is that a safe option or is there ...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses

What is the best way to insulate a Multi-material wall?

...EPS to the concrete ceiling and mineral wool. My cold room is a small 6' x 6' space. Putting EPS foam insulation on the exterior of a concrete foundation is fin...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 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