Last year we started a series on Air Sealing that took a look at some of the basics like; how to find the leaks inside your house, what tools and basic materials required to air seal your house, and some tips & tricks on how to seal up the air leaks inside your house & some common ones outside. After taking a brief hiatus from the series, we are looking forward to finishing it during this coming year. To help us get it kick started, we would like to introduce Ethan & the crew from One Project Closer.
I originally met click here). Last month, I noticed they had a new article & video up on spray foam for basements & decided to take a quick look. I have to admit, that is about the best video I have seen made yet on the pros and cons of each type of system and the real benefits of using it. After shooting them a quick tweet, they graciously allowed us to repost it here, so with no further ado…on Twitter, and then in person at last year’s Remodeling Show, which was being held in their hometown of Baltimore. Ethan along with Fred & their wives are avid DIYers (that put some “pro’s” to shame) and provide a ton of good advice on many subjects related to that on their site (for the full history –
We love sharing unique experiences with our readers and I think today’s post is a real treat! Fred and I had the pleasure of filming Hottle Energy Solutions as they insulated Fred’s basement with spray foam. We worked hard to put out a really comprehensive, high-quality video that will address many different aspects of spray foam installation.
There are several different options for insulating your basement and ultimately Fred & Kim chose spray foam. Spray foam is a great choice because it expands to fill tough-to-access space creating a more complete seal than fiberglass insulation. Closed cell foam also has very high R-values, acts as a moisture / vapor barrier and is mold resistant.
This video (9:50) contains a lot of information. We were able to interview the contractor, learn about his equipment, discuss safety concerns, and address some popular spray foam questions. Here are some of the highlights:
- When to have spray foam installed (0:57)
- The difference between open and closed cell foam (1:58)
- The equipment a contractor uses to install the foam (2:35)
- Preparing for spray foam (3:43)
- Pros / Cons of do-it-yourself kits (4:15)
- Necessary safety gear (5:34)
- Health concerns with spray foam (6:13 & 8:27)
- Open cell foam installation (6:32)
- Closed cell foam installation (7:40)
- Final verdict (8:51)
All in all guys, I must say that is one of the best videos I have seen on this subject, with some great points made. If I had to nit-pick though – 3” is not enough in every climate zone & I actually prefer 4” or what is commonly called 2 lifts down here. In the northern climates, you are looking at 3 lifts or 6” to prevent any heating / condensation issues.
To read more about this topic on One Project Closer’s site:
- The Original Article
- Insulate Band Board / Rim Joist to Block Air Infiltration into a Basement
- Spray Foam Contractor in Maryland Review: Hottel Energy Solutions
- Spray Foam R Values | Closed Cell & Open Cell Foam
On the HTRC: Building Green Homes Series – Insulation