Plywood walls / Discussions

Which insulation should I use under my cottage?

...walls all in 2x6 and plywood, what type of insulation can i use on walls . and to point out the walls are sitting on contrete blocks no footing my plan is to ...

Posted by denis maurier May 3, 2021, 11:14 a.m. Crawl spaces 3 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...Plywood. The walls are insulated with traditional Fiberglass Pink. I will be putting solid 3/4" wood siding over top of the exterior walls. I plan on strapping ...

Posted by Michael Klauck March 6, 2020, 1:24 p.m. Air and vapour barriers 1 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...walls instead of drywall (new build with plywood exterior sheathing and Tyvek - which will eventually have cedar shingles). What's the best thing to use for air...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 Responses

How do you stop air leaks in an old 1950's house?

...plywood ( Assume plywood was not used at that time) which results in gaps between the planks at the perimeter of the main floor and under all walls, and under t...

Posted by Don Fraser Sept. 3, 2021, 3:22 p.m. Air and vapour barriers 1 Responses

Can you add exterior rigid foam insulation (e.g. EPS) with replacing windows?

...walls and if we can do so without replacing/resetting windows. The current walls are 2x4 with fiberglass insulation and plywood exterior. Is there a method to d...

Posted by Peter Milliken Nov. 9, 2020, 9:13 a.m. Wall assemblies - renovation 0 Responses

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...walls, install a plywood sheathing. Do you mean to strip off the sheathing boards? If so, is it instead possible to nail the plywood over the existing sheathing...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

How do I stop a leak from my attic?

...walls of two opposite exterior walls. I checked the attic and found 1) frost of the underside of the roofing plywood 2) insulation stuffed to the soffit and t...

Posted by Markus Duess Feb. 11, 2019, 12:42 a.m. Roof assemblies - renovation 1 Responses

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

...Walls much the same but w/ one layer of 4" rigid insulation. 1/4 " Plywood sheathing attached to the Girts, Rigid Insualtion, rain screen (Tyvek?) 2 X 4 or 1 X ...

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

Is there any risk to a concrete foundation from adding interior insulation?

...plywood) on the concrete floor too. The rest of the house is double brick with minimal to no insulation in the walls. Is that a safe option or is there someth...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses

Where does a vapour barrier go when building a shed in southern Ontario?

...walls with 1/2 plywood exterior sheathing, R14 roxul batts and the infamous 6 mil poly. The ceiling is R40 pink as I got a good deal, and figure if it cost the ...

Posted by Charley Nelson Nov. 5, 2020, 10:09 a.m. Wall assemblies - new construction 1 Responses

Can you create a passive wine cellar by insulating and air sealing a crawl space?

...walls will be exterior walls, and the other walls will be adjacent to the wine cellar. If I follow your recommendations for sealing the crawlspace, then the cra...

Posted by JC Wong April 2, 2021, 6:50 p.m. Crawl spaces 5 Responses

What kind of non-toxic exterior sheathing can be used in place of plywood?

...plywood called Purebond from Columbia Forest Products in case you will have any plywood on the interior. I called the company to check and they tell me that it ...

Posted by pier charter June 4, 2020, 1:12 p.m. Wood and organic materials 1 Responses

What is the best material to use on top of plywood for water proofing?

...Plywood + Peel and sticks (Vent SA from Cosella-Dörken) is the best way to go for optimal outcome? Any tips on which materials to use? Plywood thickness, tape o...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

What is safer than OSB for someone with multiple chemical sensitivities?

...plywood options? What is the healthiest product for home contsruction? Who makes the healthiest structural plywood or building product? Please help. I am also i...

Posted by Ian Smith April 27, 2020, 1:01 p.m. Healthy indoor air quality 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...walls made of plywood? What I’m getting at here is that it really isn’t, or doesn’t *have* to be a crawl space anymore. If the walls (or ‘sides’) are just ply...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

How to fix condensation on ceilings?

Hi! We moved into a house last winter (it is a 50 year old home) and we notice condensation on the ceilings. The house also had plywood soffits with minimal ve...

Posted by Jessica Sadler Nov. 13, 2019, 11:48 a.m. Walls and Roofs 1 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...Plywood for Roofs, Walls & Floors, Which is better? Making it impossible for moisture to escape on one side (vapor barrier) and difficult to escape on the oth...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

What is the best practice to insulate a crawl space floor?

...walls, insulated and drywalled Crawl space has dirt floor, 3 cement block walls, open lattice wall to access crawl space, exposed floor joists 24'' o.c., heig...

Posted by austin Fanning March 16, 2020, 8:55 a.m. Crawl spaces 4 Responses