EPS / Discussions

Can Rockwool be installed over Type II EPS?

...EPS. Tyvek, siding. I intend to remove the EPS and install a self-adhering WRB on the plywood. Since I have the EPS will I create any problems if I re-install i...

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

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

...EPS over XPS due to the fact that XPS has much higher green house gas emissions than EPS . So if you are looking for suggestions we would say go for the EPS, an...

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

Is it OK putting 1 inch of EPS under vinyl siding with no wall insulation good?

...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

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. 0 Responses

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

Attaching battens through 4" EPS foam external insulation, should Therm Insulation or Stainless screws be used? Is it necessary to have the double thread desig...

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

Basement reno - How do I effectively insulate my basement?

...EPS + Drywall? or Just sandwich+seal EPS panels to build it up to the foundation wall insulation? Specific order: After gluing the EPS against the concret...

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

We're soon building a slab on grade foundation for our new cabin in Montana and I've decided to sit it on a 4" EPS foam insulation so the slab will retain some...

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

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

...EPS then bats. Thanks for your help! Bryan If you’ve read our basement articles then you know we think EPS and Rockwool are both great options for basements...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 1 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 right amount of insulation for a house?

...EPS under slab and on side, dense pack cellulose in walls and loose pack cellulose in ceiling. Thanks. What you are referring to is often called the ‘sweet spot...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 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

How do you best use polyiso insulation in a basement?

...EPS rigid insulation, but it does have a higher R value. A downside of polyiso is that the performance starts to drop as the temperature drops, so we don’t lo...

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

Halo Exterra rigid exterior insulation - has anyone work with it?

...EPS, correct? That's good to hear if so, that's not overkill at all. The thing about EPS insulation, is that a 'little' on the outside (like 1 or 1.5 inches) ...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 3 Responses

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

...EPS foam insulation will start to act as one at about 2 inches, and polyisocyanurate (the one with the foil on both sides) is a vapour barrier at any thickness ...

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

What is the best way to insulate a crawlspace to keep humidity down and stop odors?

...EPS boards on the walls, and now maybe on the floor, but do I need to put plastic down as well. Once again thank you Happy to help Dave. You get a reasonably mi...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...EPS . If you are doing the exterior then you can follow the procedures for exterior insulation here in page about the best way to insulate basements . Let us kn...

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