Rigid board / Discussions

Which type of exterior insulation to use on a house?

...rigid insulation would be best for this application. My main concern is vapour/moisture issues between the rigid insulation and buffalo board. My original pla...

Posted by Trevor Marshand May 26, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

Can you install foam boards directly against basement walls?

...rigid fome to Install two inches of rigid insulation board directly against concrete. A mold expert told me to put the board on top of the framing, not directly...

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

What is the best exterior Wall and Roof Rigid Insulation for a barn renovation?

...board. Metal roof attached to strapping. Walls much the same but w/ one layer of 4" rigid insulation. 1/4 " Plywood sheathing attached to the Girts, Rigid Ins...

Posted by Ron Busch June 27, 2020, 3:50 p.m. Wall assemblies - renovation 1 Responses

Can you spray foam a house from the outside?

...Board, and want to improve the insulation at the same time. Right now there is 1/2" rigid foam with foil directly under the siding. Someone recommended removing...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Where should I put a vapour retarder?

...rigid rockwool insulation would go up next, then strapping for the exterior sheath, board and batten. I have read that the optimum scenario is to have one-third...

Posted by Jeffrey Connell March 14, 2020, 4:25 p.m. Wall assemblies - new construction 4 Responses

Can you use polyiso insulation on the exterior of a wall behind cedar siding on the west coast?

...rigid insulation panels here – Rigid insulation panels, how to choose the best ones for different applications You will read in that article a bit more abou...

Posted by Iain Matheson Jan. 28, 2020, 10:38 p.m. Wall assemblies - renovation 1 Responses

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

Hi I'm wanting to add insulation to the exterior of my home as I am planning to replace siding was considering rockwool comfortboard but this Halo product was ...

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

What is the best foam board insulation under drywall

...rigid insulation – Rigid insulation panels: which are best and where to use them While most insulation materials actually perform a little better the colder...

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

How do you best use polyiso insulation in a basement?

...rigid board insulation is a great product, but it does have its limitations. It is more expensive than EPS rigid insulation, but it does have a higher R value. ...

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

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

...board and poly barrier. The foil faced foam board is not completly tight against the underlying shingles and I assume does allow for some air movement underneat...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

How would I rectifiy problem of foundation wall cracks with finished basement?

...rigid insulation panels, read more here . On top of that you could apply a cement board that can be parged or left as is. Let me know if any of those options ma...

Posted by Terry P July 22, 2020, 7:07 p.m. Basements improvements 2 Responses

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

...rigid board insulations are a vapour barrier, some are not. Some are air barriers, some are not. XPS foam insulation at about 1 inch thick will act as a vapour ...

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

What is the best insulation Under 2" Cement flat Roof in NYC?

...rigid board insulation for a flat roof, and there are several to choose from. Probably one of the more common types of insulation used for flat roofs is rigid p...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

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

...Rigid Foam Board And about venting crawlspaces, that can be a problem depending on where you live. The foundation walls will be cool in summer, so drawing i...

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

Should you put insulation on the outside of a cinder block wall in a desert?

...board then tar board chicken wire then stuco then paint with elastromeric/ sand mix, all to keep out heat. Styrofoam or no Styrofoam is the question. is it wort...

Posted by Michael Apodaca March 9, 2020, 3:10 p.m. Wall assemblies - renovation 1 Responses

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

...boards for installation in my basement rim joists, should I be looking for faced or unfaced foam boards to install there--and which surface of the boards (faced...

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

What is the best way to insulate a 2x8 wall?

...boards I think eps might be the best to use, but not sure if the foil face would be good, may not be breathable...might be better to just do eps board and buy a...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

Is the ZIP sheathing system good or bad for water control?

...rigid board insulation in Douglas BC would not be overkill. Further to that, if you build your wall well then you shouldn’t be experiencing a regular water fa...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses