EPS foam / Discussions

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

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 9 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

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

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 3 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 12 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 insulation Under 2" Cement flat Roof in NYC?

...EPS & XPS Foam Insulation & Styrofoam It's still a great insulation, just not quite up to the R6.5 + levels that were originally claimed. So the more 'energy ...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 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 remove moisture and condensation from basement walls?

...foam or rigid foam and do not change the exterior waterproofing, will that stop the moisture from coming inside? Or is digging down and adding a waterproofing m...

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

How do I insulate my half below grade basement?

I am about to start a full strip out and rebuild of my basement to make a secondary suite. I've been reading all the information on the site and find it very u...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

Insulation on interior or exterior of frost wall - or both - for floating slab?

...EPS foam insulation, so you only have to go down 4 inches instead of 4 feet. Where are you building Marc-Andre? Thanks. Building in area of Wakefield QC. I wo...

Posted by Marc-Andre Roy Oct. 4, 2021, 9:20 a.m. Slab on Grade 5 Responses

What is the perfect wall assembly?

...EPS foam, and they have a metal rail in the middle of the panel that is used to attach them. What you do is remove the ‘snap track’ of insulation, fasten the pa...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 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 if you sign up as an Ecohome Member for free , you will get a notice...

Posted by Kate Noblio Dec. 14, 2019, 12:35 p.m. Insulation and soundproofing 3 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

Is there anything I can do about a vapor barrier on the wrong side of a basement wall?

...foam board, I still have multiple iron spikes embedded in the concrete. Do I need those? May I cut them flush? Also before foam board, should I paint some wat...

Posted by Iain B Feb. 8, 2021, 2:21 p.m. Basements improvements 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

What is the best way to insulate a Multi-material wall?

...EPS to the concrete ceiling and mineral wool. My cold room is a small 6' x 6' space. Putting EPS foam insulation on the exterior of a concrete foundation is fin...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses