Boards / Discussions

Is EPS or XPS better for use in basement rim joists? Should faced or unfaced foam boards be used?

...boards for installation in my basement rim joists, should I be looking for faced or unfaced foam boards to install there--and which surface of the boards (faced...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 6 Responses

Can you install foam boards directly against basement walls?

...boards against the wall. My frames are already put up. And I either put the insulation boards on top of frame or in between each frame against the cinderblocks....

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 4 Responses

Can you use Foam boards on basement walls to stop condensation?

...boards against the concrete would be wise, and though there would be minor amounts of air space given that a concrete foundation wall is never a perfect uniform...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses

How do you make new wood look old?

...boards, is there any method for speeding up the aging process? A very simple way to give wood an aged look is to apply an oxidizing solution. Here is an easy ...

Posted by Claire Dec. 11, 2017, 3:38 p.m. Wood and organic materials 1 Responses

What is the best way to insulate a crawlspace to keep humidity down and stop odors?

I have a crawlspace with 4' concrete walls and a cement floor, insulation between the floor joists and has 3 - vents to the outside. I am thinking of 1" foam b...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

How do you insulate a 3 season cottage?

...boards are the finished interior walls. The clapboard siding and wood trim and windows will be removed and replaced. Clients would like to add a little insulati...

Posted by MARK E BROWN LLC Nov. 7, 2019, 4:57 p.m. Wall assemblies - renovation 0 Responses

What is the best way to deal with a drop ceiling in a high humidity room?

...boards, then rigid foam insulation and then faced fiberglass batts and then plywood subfloor of the outdoor deck. The rigid foam was not sealed (no air barrie...

Posted by steve Roberts Dec. 24, 2019, 8:01 p.m. Walls and ceilings - interior surfaces 1 Responses

What is the best way to insulate my basement?

...Boards over the concrete and replace the foam in between the studs and maybe even put the existing fiberglass batt insulation back in the cavities over the foam...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 0 Responses

How you vent a metal roof?

...boards running from eaves to ridge and is visible from the interior as my finished ceiling.​ ​The approach that I am considering using to install the fastened...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

Do frost lines where studs are on a wall show a failure of spray foam insulation?

I have a customer with frost problems whose home shows every stud from the outside on a winter day. Would you say their spray foam insulation has failed? It's ...

Posted by Gerald Crozier July 22, 2019, 10:24 p.m. Insulation and soundproofing 1 Responses

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

...boards I have a few questions that will help us pin down the best way forward for you - How old is the home? Is there an exterior membrane on the basement w...

Posted by Evan B. Nov. 21, 2019, 8 p.m. Basements improvements 1 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

...boards for the wall and floor. ( Top of slab) Whats the best approach. Thank you We would advice against spray foaming any rim joists that are wet set in ...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

What is the best insulation Under 2" Cement flat Roof in NYC?

...boards, but that has not turned out to be as excellent as originally thought. It turns out that the performance actually gets worse the colder it gets. That's a...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

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

...boards and place them between the joists and seal them with acoustic seal. The acoustic seal can be messy to deal with but it really works well and stays flexib...

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

How do I insulate my half below grade basement?

I am about to start a full strip out and rebuild of my basement to make a secondary suite. I've been reading all the information on the site and find it very u...

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

How to insulate an apartment you don't own?

...boards to the wall with a few tiny nails, holes that small are easily repaired when you move out. That would go a long way to making it more comfortable. It mea...

Posted by Teresa Cunningham Oct. 21, 2019, 3 p.m. Wall assemblies - renovation 1 Responses

How can I solve a moisture problem in attic from 1941 home?

...boards. I will remedy this with insulation removal and fogging concromium. We are getting a new roof in a month and it will have roof intake vents on the lower ...

Posted by Rachel Katz June 8, 2019, 4:06 p.m. Air and vapour barriers 0 Responses

How do you do insulation the outside of a log home?

...boards. And the answer is yes to installing a house wrap as it would help to mitigate air leakage , log homes are not known to be particularly airtight. But a...

Posted by Michael Hickey Aug. 2, 2018, 6:03 p.m. Wall assemblies - renovation 1 Responses