EPS foam / Discussions

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

...EPS & XPS Foam Insulation & Styrofoam We always choose (and recommend) EPS over XPS due to the fact that XPS has much higher greenhouse gas emissions than EPS...

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

Can Rockwool be installed over Type II EPS?

...EPS & XPS Foam Insulation & Styrofoam Sometimes adding XPS or EPS rigid foam to the outside of a house can cause problems since it can trap moisture. That sai...

Posted by Brian Bonnell March 30, 2020, 11:04 a.m. Wall assemblies - renovation 1 Responses

Heco topix screws - which type should be used for attaching insulation outside a house?

...EPS foam external insulation, should Therm Insulation or Stainless screws be used? Is it necessary to have the double thread design of ThermInsulation screws wh...

Posted by Mike Taylor April 7, 2020, 4:45 p.m. Materials and resources 2 Responses

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

...EPS) How do address the areas where the EPS is adjacent to the old insulation? If I demo the laundry room and continue with eps, how do I address insulation...

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

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...EPS foam insulation so the slab will retain some passive solar heat from the south facing windows in winter, avoiding having to put too much heat in to keep stu...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

Basement reno - How do I effectively insulate my basement?

...foam EPS (1.5" or 2"?) +wood stud with Rockwool R14 +Drywall +moisture/vapour barrier laytex paint. Which EPS thickness should I go with? Concrete Slab: DMX a...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

What is the best way to insulate a 2x8 wall?

...foam boards I think eps might be the best to use, but not sure if the foil face would be good, may not be breathable...might be better to just do eps board and ...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

Can I reclaim old triple slider windows?

...EPS foam, and achive better results than buying all new windows for a fraction of the cost? We have a ton of trees around the house so there is virtually no s...

Posted by Keanan Toews Jan. 20, 2019, 1:01 p.m. Windows and doors 1 Responses

What is the best way to insulate rim joists with EPS and batts?

...EPS pieces againt rim joists/cripple wall cavities and build it out to EPS mounted against foundation wall. 2) Single EPS pieces flush against rim joist, hori...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

Protection from Insects for Legalett Geo-passive super insulated slab on grade?

...EPS. Is that a danger? Among the many possible ways to protect against that doesn't involve insecticides that might leach into the soil is a copper foil sheath ...

Posted by James Burns April 30, 2020, 11:11 a.m. Slab on Grade 0 Responses

What do you think of Legalett Wall Insulation?

...EPS insulation may be the best option in the long-term, read more here – Is EPS foam is an eco-friendly insulation? Regardless of it’s raw materials, EPS is...

Posted by Igal H Aug. 19, 2020, 3:52 p.m. Walls and Roofs 1 Responses

Can basement walls to dry to the inside with foam board?

...eps foamboard to my basement foundation walls. From all of my reading it says that your basement foundation walls can only dry to the inside. If I put foamboard...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 3 Responses

What insulation should you use to cover the ground GEODESIC Dome?

...EPS rigid foam insulation are both suitable for below slabs, so I think you’re best with one of those.

Posted by Vincent Warwick Oct. 1, 2020, 2:09 p.m. Insulation and soundproofing 1 Responses

Can you use spray foam Insulation under a slab?

...foam polyurethane. If not, why? When building a slab on grade, EPS rigid foam insulation is the most common choice of insulation, for performance and cost . I w...

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

Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?

...EPS under floors. Walls have no insulation, siding is T-1-11 from the sixties would like to put 1 inch EPS under vinyl siding. the building is pretty well bui...

Posted by Roger Smith Nov. 12, 2019, 6:34 a.m. Wall assemblies - renovation 7 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...foam insulation at about 1 inch thick will act as a vapour barrier, EPS foam insulation will start to act as one at about 2 inches, and polyisocyanurate (the on...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 Responses

Do you have an updated recommendation for attaching exterior mineral wool insulation?

...foam insulation panels ThermalWall is an EPS rigid foam panel with a metal rail embedded in the middle of the panel allowing it to be attached to the exterior o...

Posted by Fred D Aug. 31, 2020, 1:07 p.m. Wall 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