EPS foam / Discussions

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

...foam board insulation with circumscribing spray foam in each rim joist (or maybe using purely spray foam to cover each rim joist). However, I can't tell whether...

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

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 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

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

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

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

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

...foam insulation on basement walls is not a bad one. However, spray foam itself is a vapour barrier, so you wouldn’t need to apply a typical 6 mil polyethylene v...

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

What is the best way to insulate my basement?

...Foam Board Insulation over the bare concrete and leave the framed walls insulated as the are? 2. Install Foam Boards over the concrete and replace the foam in...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 0 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

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 is the best foam board insulation under drywall

...foam board insulation attached to the stud and seams taped. Then I would set 1/2" drywall on top of the foam and attached with long screws. Does this sound li...

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

Can I purchase XPS made with HFOs?

...EPS. And the moment that the switch is made, manfucturers will contact us with the news, so Ecohome members will be the first to know. No answer means nobody is...

Posted by Kate Noblio Dec. 14, 2019, 12:35 p.m. Insulation and soundproofing 2 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

Can you use Foam boards on basement walls to stop condensation?

...foam board and still be a problem? Hoping to just be able to apply foam to regulate the concrete temps and prevent inside warmer air from touching the concret...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 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