EPS / Discussions

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

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

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 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

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 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

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

Does insulating a slab on grade make the building less stable?

...EPS foam, but a raft slab (which distributes the weight evenly over the entire floor) doesn’t even require high-density foam. To put the compressive strength ...

Posted by Nicolas Jalbert May 28, 2018, 4:56 p.m. Slab on Grade 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 1 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

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

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

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

Eight years after our house was built, we noticed that the MDF baseboards in our finished basement became discoloured and swollen from potential moisture. We r...

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

What is your experience and thoughts on pre-fab wall assemblies?

...EPS (expanded polystyrene) panels . There are also companies that will take your building plans and create walls to match that can be delivered and assembled, t...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

What is the best foam board insulation under drywall

...EPS, yet it uses blowing agents with the same GWP (Global warming potential). But in your case, the way you would be installing it is perfect, on the interior o...

Posted by Wesley Pracht Jan. 11, 2020, 8:10 p.m. Wall assemblies - renovation 1 Responses