Rigid board / Discussions

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...rigid XPS foam board insulation held in place with the special plastic pegs (since the poly will not allow adhesive to affix it to the wall), blue sheathing tap...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses

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

What is the best exterior rigid foam insulation for under a deck?

...rigid foam board. The front porch is covered by an overhang and deck boards. The side of the porch will be skirted with 2x6's. So the rigid board will be protec...

Posted by Andrew Cherubini March 21, 2021, 9:02 p.m. Insulation and soundproofing 3 Responses

Can you install foam boards directly against basement walls?

...rigid foam 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 16 Responses

What sized does the Hemp Insulation come in?

...rigid board? Can you make it in rolls? Thank you, Gary

Posted by Gary Stapley Feb. 5, 2021, 6:15 p.m. Insulation and soundproofing 0 Responses

What is the best way to insulate the exterior of a post and beam timber frame with rigid insulation?

...Rigid XPS Panels seam taped. Those would be strapped to the wall with 7 1/2" screws into the Girts. Board and Batten siding would be placed on top (min 1" to 2"...

Posted by Ron Busch Nov. 12, 2021, 2:53 p.m. Wall assemblies - new construction 0 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

What type of insulation under an outdoor deck frame with 2x8s?

...rigid board on top of the 2x8 studs. I Just hope the 1.5 inch of space left on the 2x8 (7 1/2") wont cause any problem or fall down on the rigid board. No vapor...

Posted by Eric Dalpe Sept. 15, 2020, 9:13 a.m. Wall assemblies - renovation 4 Responses

What is the best method of building a slab on grade?

...rigid board under the exterior of the slab, Tpye III EPS foam under footings and a skirt of R8 insulation extending out 4 feet. ARe these suitable for such cond...

Posted by Jay Law April 19, 2021, 3:09 p.m. Slab on Grade 1 Responses

What’s the best insulation system for a brick/masonry basement foundation wall?

...rigid foam attached with adhesive to the brick walls with studs installed up against the foam or with a small air gap between the stud and foam board. But then ...

Posted by Ryan Essex Nov. 29, 2021, 8:17 a.m. Basements improvements 2 Responses

Should I put insulation on the exterior of a brick house?

...board. I'm considering adding 1" of rigid EPS or GPS insulation under the cladding. I'm trying to decide if this is a good idea and if the pros outweighs the ...

Posted by Andrew T Oct. 3, 2021, 7:03 a.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

How do I best insulate my century home from the inside?

...rigid board over the studs to provide a thermal barrier + Intello (or other) air/vapour barrier to allow breathing/drying + drywall (taped and painted). What in...

Posted by Merner Row Design May 12, 2021, 12:22 p.m. Roof assemblies - renovation 1 Responses

What is the best way to install basement insulation with existing framing?

...rigid foam board against the block and have to reframe the walls. Thank you in advance for your help. Is the block discoloration coming through the Drylok? The ...

Posted by Nick Trotta Sept. 20, 2021, 8:29 p.m. Foundation and basement improvements 7 Responses

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

...rigid insulation board directly against the concrete and then a framed stud wall with mineral wool batts and drywall with latex paint. I'd like to do something ...

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

What is the best exterior insulation to put over existing double brick?

...rigid insulation (our builder has suggested 1" GPS) to the full exterior and finally clad it with Hardie Board. My question is around the best approach to the w...

Posted by Andrew T July 19, 2021, 8:19 p.m. Wall assemblies - renovation 1 Responses

Why is there condensation in between 1.5" polyiso board and roxul insulation?

...board insulation glued to the wall with adhesive and I left a half inch Gap all around the board to spray foam. In front of the wall I frame to buy for walls an...

Posted by Tyler Norrie Feb. 9, 2021, 2:32 p.m. Basements improvements 0 Responses