Energy efficiency upgrade / Discussions

We have a 20'x30' Aframe cottage that we have started a reno on.  We have removed the panelling inside and the outside boards are visible and in great shape.  Shingles were incorrectly installed though, so need replaced,  and we were planning to put a steel roof on instead.  The boards inside are exactly the look we ar...

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 took down our insulated wall panels and there is a clear plastic barrier then pink fiberglass insulation right on the foundation. The insulation and barrier/plast...

I’m insulating my basement with 2” of EPS against poured concrete foundation, then framing a 2x4 wall, then adding Rockwool. Unfortunately, due to some areas, like stairs and a laundry room which I’m not planning to demo, I’m unable to continuously insulate using EPS. Company’s directions are for product to be installe...

I'm trying to insulate Rim joists /cripple walls in basements have read about three methods using EPS & batt with slightly different orders. Plan to insulate concrete walls with 2" of EPS, with 2x4 framing (filled with rockwool batt), and then drywall. Which one of these approaches should I use?  1) Sandwich multip...

 I live in Calgary, Alberta. My house is a 1940s bungalow with a second storey added in 1988. We are replacing the vinyl siding with Hardie 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 the sheathing and d...

I'm getting water dripping down the inside 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 touching the roofing plywood 3) 6-ish inches of paper covered fiberglass bats 4) no vapour barrier but the topside of ...