How much insulation / Discussions

How much insulation should I install underneath my concrete slab in my basement?

...insulation is necessary, but want to know what the experts think. If insulation is required, how much and what type is recommended? You absolutely need to insta...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

How much insulation do you need for a Basement floor in an ICF home?

...How much insulation does a basement need? Hopefully that will answer your questions, if not please write back and include details of how much insulation you w...

Posted by Gary Abbott Nov. 23, 2020, 1:36 p.m. Basements 1 Responses

What do you think of Legalett Wall Insulation?

...how their wall-insulation system compares to the wall systems that you propose. I see a number of advantages to their system--it's much less labor intensive and...

Posted by Igal H Aug. 19, 2020, 3:52 p.m. Walls and Roofs 1 Responses

What do I in my basement where new insulation meets old?

...insulation types? (Old Poly vapour sheet and fibreglass insulation vs new Rockwool and EPS) How do address the areas where the EPS is adjacent to the old insu...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

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

...insulation or fiberglass insulation over your head during a rain storm and see if you stay dry (spoiler alert you will get wet). Then, hold a batt of of insulat...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?

...how much rebar should be in a slab on grade floor and if it's okay to have the perimeter touching the ground without any insulation beneath it? The most cost-ef...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

...how did you determine the requirements for horizontal insulation? Thanks so much in advance, appreciate you taking the time. You are right that heat escapin...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

What is the best way to insulate a home from the outside?

...insulation to the inside but also the outside of the walls so we don’t lose too much space inside. Do you have suggestions about how to go about this? I’ve read...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

Can you insulate an existing slab on grade floor?

...insulation in the middle, and 5 inches of insulation on the right. You can see that with no insulation you will be heating the ground for many feet below your h...

Posted by Patrick Berkeley Dec. 31, 2020, 10:14 p.m. Foundation and basement improvements 5 Responses

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

...insulation and plywood exterior. Is there a method to do this that would not put the structure at risk from water penetration? How much benefit would we get fro...

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

What is the best way to finish a basement with exposed pink fiberglass insulation?

...insulation without boxing in the pipes that cross lower than the ceiling joists. Could pine boards be fitted between the joists up against the insulation or is ...

Posted by Claudia Fieo Oct. 6, 2020, 10:48 a.m. Basements improvements 0 Responses

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

...how to add insulation to my house. My house qualifies for a state of Massachusetts program to add cellulose insulation to my attic, but I would need to add ve...

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

What is the best way to insulate a Metal structure from the Inside?

...insulation is there, by as much as 25% . So you can think of insulating between metal studs as if you were paying a 25% premium on the cost of insulation, since...

Posted by Jacky Surber May 2, 2021, 4:09 a.m. Insulation and soundproofing 2 Responses

How do you insulate a crawlspace with dirt floor?

...how to proceed for insulation/winterization/moisture? At this point, I’m thinking to simply put a 6 mill poly on the dirt floor to keep the moisture out and t...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 2 Responses

Why do you shim up basement walls?

...how to properly repair and finish a basement wall. I don't just mean drywall, insulation and vapour barrier, I also need to know what to do about the masonry be...

Posted by t b March 2, 2021, 3:17 p.m. Basements improvements 4 Responses

What thickness of insulation and concrete do you recommend in a floating slab?

...insulation, but that anything over 8 inches (in this same region) would be overkill. This page explains it very well – How much insulation does a basement nee...

Posted by Marc-Andre Roy April 21, 2021, 7:38 a.m. Slab on Grade 3 Responses

How much window area can i have in passive house?

...much worth the added cost– How to choose the best windows for High Performance Homes As an example of how the total window surface area and quality of windo...

Posted by tony wolff March 4, 2021, 9:25 p.m. Windows and doors 3 Responses

How do I insulate my half below grade basement?

...much’ or a ‘bit too little’ insulation depending on how much you install, given the different temperatures the wall will be exposed to from above grade to below...

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