EPS / Posts

What is the best method/order of insulating rim joists with EPS+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 4 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

Using EPS in basement: Non-continuous

...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

Metal roof assembly

...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

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

We are considering building a Gigacrete house and wondering what you think of it.

...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

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 0 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does the plastic vapor barrier 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 Les Poldark Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

I want to insulate the outside of my house and I'd like to know which type of insulation 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 Anonymous Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 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 Anonymous Nov. 14, 2017, 4:49 p.m. Pest control 1 Responses

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

...EPS or XPS. I read xps is superior to eps - less water absorption, higher r value, longer retention of its insulation properties over many years. What are your ...

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

What is the right amount of insulation?

...EPS under slab and on side, dense pack cellulose in walls and loose pack cellulose in ceiling. Thanks. That’s a great question Ryan, what you are referring to i...

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

Insulating under the footings of a frost protected shallow foundation

...EPS (expanded polystyrene) is a lot less harmful in terms of green house gas emissions during manufacturing, and is about half the price. XPS has a higher R val...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

What is the best way to insulate a home from the outside?

...EPS foam would be my second choice, thicker is better for a number of reasons that are better explained here . Over that you can install a weather resistive bar...

Posted by Anonymous Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

Foam board insulation in basement

I read in one of your articles when putting up rigid fome to Install two inches of rigid insulation board directly against concrete. A mold expert told me to p...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 4 Responses

Why do you say building on a slab is more ecological than starting with a basement?

...EPS foam will have a much lower environmental footprint than an insulated wall that uses concrete as the supporting wall. Another advantage: a concrete slab c...

Posted by Anonymous Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses

How to remove moisture/condensation from basement walls

We recently moved into a 15 year old home and have a smell coming from the basement. We had a mold inspector test and look everywhere and found no issues. We t...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses
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