By: Dale
Actually using house wrap tape does indeed stick well to rigid foam panels without the need of foil covering. This is one method we use for sealing the seams of the panels.
View ArticleBy: Erica
Hey Reuben – I am curious – we are getting closed cell foam for our attic remodel (old 1920s house with knee walls…) They are going to use closed cell foam on the roof and gable walls, but they said...
View ArticleBy: Reuben Saltzman
@Dale – excellent explanations and commentary. Thanks. @Erica – yes, what they’re telling you is correct. There would be no point in insulating the knee walls, because they would be completely inside...
View ArticleBy: Tom
Hi Reuben, I posted earlier about the choice of xps against below ground cement block wall vs spray foam. Weighing the cost/benefit I decided to go with xps on the walls, 1/2″ gap and fiberglass within...
View ArticleBy: Dale
Tom, Being from Canada I’ll throw in a couple of cents worth. Yes, the Platon or other similar air gap products are sometimes applied to the interior side of the foundation walls. But they are...
View ArticleBy: Reuben Saltzman
@Dale – Feel free. It sounds like you have experience with this, so I appreciate your input. I’ve seen the air gap products used only once or twice, and like you said, they were tied in to the drain...
View ArticleBy: Brandon
Reuben- Thanks for the informative article. I recently found mold on the inside of all my basement walls in my walkout block basement built in 1993. The basement walls were framed with studs against...
View ArticleBy: Reuben Saltzman
Hi Brandon, I’ve never run in to a moisture problem caused by spray foam. I’m sure they happen all the time, but I have yet to see it happen first-hand. If a lot of water leaked through the basement...
View ArticleBy: Kara
Hi Rueben, Thanks so much for this article. This summer we found the same problem in our 7 year old Albertville house. We noticed condensation and little black spots forming on the inside of the vapor...
View ArticleBy: Kevin
Reuben, I’m about to embark on a basement remodel and my GC and I are looking for a reputable spray foam installer in the Seattle area. Do you have any recommendations you could share? Thanks, Kevin
View ArticleBy: Reuben Saltzman
Hi Kevin, I don’t have any recommendations, but I do know someone who probably would. Ask Charles Buell – http://buellinspections.com/ .
View ArticleBy: R. Adam Darriau
Every situation is different, according climates and the local temperature differentials throughout the year. To avoid litigious situations down the road, if it’s a mold and moisture issue on an...
View ArticleBy: John
I can not support spray foam, it is toxic. if the open cell gets wet or deteriorates it will release fumes into the house. Not only that, don’t plan on remodeling, the stuff is impossible to remove....
View ArticleBy: Milt Rice
Doing a finished basement and am at the insulation stage. 6 yr old house. Reading all day and I’m totally confused what to do. No foundation leaks. I’m considering spray cc foam at ridge joists and...
View ArticleBy: Reuben Saltzman
Hi Milt – I don’t have any advice to give you on insulating your below-grade basement foundation walls. Like you, I’ve heard too many conflicting ways to do it.
View ArticleBy: Keith
I’m with Milt on the CC 2′ down on foundation wall, plus rim joist. I live in zone 6 lower southeastern Wisconsin, and we built a home 10 years ago, the builder used a diaper style insulation floor to...
View ArticleBy: Tom Mpls
Doing new room addition with full basement. Will be using a product from Hugo, MN – Insofast. Includes insulation and framing system in 2″ thick panels. Previous owners finished part of the basement in...
View ArticleBy: sue
I have a 3 season cottage with the basement as a kitchen living room space. The basement is block wall with one side being a walkout, therefore only the backside is covered by dirt. We need advise on...
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