How to insulate a roof / Discussions

What is the best way to make a row house in Montreal Quebec more energy efficient?

...at and air is leaking in and out and see what reasonable measures I could take to insulate or prevent air leaks. We paid around $200 for an audit and discovered...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

I have many issues with my house where should I start?

...and crawlspaces How to insulate a CMU cinder block foundation The best way to insulate a basement to avoid mold How to insulate an attic and a...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

How do you insulate an attic in Victorian House in Massachusetts?

...and drawbacks too. The house is a 3 story, 6000 square foot Second Empire Victorian built in 1882. It has a mansard roof with shingles, and the top roof has a...

Posted by dan sagalyn Dec. 5, 2020, 11:30 p.m. 0 Responses

How do you fix ice dams and crawl space insulation in historic homes?

...awlspaces – How to insulate and seal crawl spaces That should tell you all you need on that topic, and yes, it's best to insulate and protect your crawl spa...

Posted by Faith K Feb. 26, 2021, 1:43 p.m. Roof assemblies - renovation 2 Responses

How do you insulate a cathedral ceiling?

...ay foam insulation. My walls are double 2x4 stud walls 12 inches deep and will have 2-3 inches of closed cell spray foam insulation to create a air and vapour b...

Posted by Raoul Lions Oct. 19, 2019, 8:07 a.m. Roof assemblies - new construction 1 Responses

How do I stop a leak from my attic?

...all out and re-insulate. That would afford you the opportunity to install an air barrier and vapor barrier properly at the same time. It’s not necessarily an ea...

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

How to reduce the rain noise from a metal roof?

...an air space below. The air space is essential with an acoustic material in order to have any effect on reducing sound transmission. All that to say that adding...

Posted by Igal H Nov. 24, 2020, 4:57 p.m. Insulation and soundproofing 1 Responses

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

...and angle roof. The roof is made of pine, war paper and sheet metal panels. I wont isolate the roof. This is for occasional use and I have a Carbon Infrared hea...

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

How do you insulate a ceiling and finish it on the inside with wood?

...ad the outside of our roof done; tar-and-gravel, we have no insulation from the inside and our ceiling has a lovely beam and a frame. My husband wants to insula...

Posted by antonija klotz Oct. 20, 2019, 7:31 p.m. Roof assemblies - renovation 1 Responses

How do I insulate my half below grade basement?

...to treat basement walls as one singular wall rather than as an above grade and a below grade portion. Granted, there will what some will consider a ‘bit too m...

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

Is spray foam a good way to insulate a house from the exterior?

...ace with a Hardie Board board and batten rain screen. However, the contractor can also remove the sheathing down to the studs and reinsulate first. He reccome...

Posted by Simon Levitt Dec. 21, 2020, 2:14 p.m. Wall assemblies - renovation 1 Responses

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

...acia Board installed prior to insulation being emplaced with roofing paper / water screen wrapped about 1/2 over the top of the facia board. Metal roof attached...

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

Should you insulate an A-frame cottage with cathedral ceiling from the exterior or interior?

...an vary between freezing and -20. Thank you! To turn a 3 season cottage into a 4 season permanent home is always a bit tricky , in the case of an A frame that w...

Posted by J Genereaux Oct. 26, 2020, 10:38 a.m. Roof assemblies - renovation 1 Responses

What are the options for adding Exterior Roof Insulation?

...ary. A product that may actually fit your purpose is ThermalWall insulation panels if the circumstances are right. They are foam panels with a metal rail in the...

Posted by Marlo Raynolds Aug. 29, 2020, 9:19 p.m. Roof assemblies - renovation 4 Responses

Do you have an updated recommendation for attaching exterior mineral wool insulation?

...alWall rigid 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 t...

Posted by Fred D Aug. 31, 2020, 1:07 p.m. Wall assemblies - new construction 1 Responses

What's the best way to seal a crawl space and insulate?

...to be a multi-part question in a way, or at least the answer will be – By insulating the crawl space you can treat it like the above heated space and keep it wa...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

How do you Insulate a 3 season cottage?

...to a 4 season cottage. We have capacity for a gas furnace. A contractor said we did not need to insulate the basement??? I am a first-time visitor. I do n...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 4 Responses

Can you use blown cellulose overtop of fiberglass insulation?

...a vapor barrier at the top likely. Is it also safe to assume the garage below won’t be heated? You can thermally separate the two spaces, and yes your stairwe...

Posted by E McKinney Feb. 3, 2021, 1 p.m. Architecture and plan design 2 Responses