 Spray foam (by Glr [MA]) Dec 8, 2013 5:46 PM
 Spray foam (by Gary G [IN]) Dec 9, 2013 6:32 AM
Spray foam (by Steve [MA]) Dec 9, 2013 7:07 AM
Spray foam (by elliot [RI]) Dec 9, 2013 1:46 PM
Spray foam (by Glr [MA]) Posted on: Dec 8, 2013 5:46 PM
Message:
State Specific Question About: MASSACHUSETTS (MA)
Doing a gut Reno (for myself). Anyone had luck with getting good pricing on this here in the Boston area. --174.62.xxx.xxx |
Spray foam (by Gary G [IN]) Posted on: Dec 9, 2013 6:32 AM
Message:
I tried to do that 4 yrs ago on a complete gut and rebuild for myself on a home built in 1949. Right after I pulled the trigger and ordered some special insulation, I read an article in Fine Homebuilding about spray foam. It only lead to more questions than answers. At that time I got blind sided by questions without clear answers. Open cell or closed cell, should I include spraying the roof deck or not, scheduling issues, prices (4 times what fiberglass batts cost). Spray foam alternatives, and on and on....
I really wanted spray foam, in the end, I decided to special order R24 fiberglass for my 2X4 walls and use cans of foam in special areas. In the end, I have insulation values that are above average and acceptable. --99.132.xxx.xx |
Spray foam (by Steve [MA]) Posted on: Dec 9, 2013 7:07 AM
Message:
GLR, I've done several additions & a few whole house foam jobs. IMO the key is going with a quality contentiousness installer. The A & B component mixing ratio is extremely critical as is the site temperature & humidity levels. My plumber recently had his new 6,000* SF house done by the "cheapest" priced company & is now regretting it big time. The foam is splitting, pulling away from the framing & is a huge mess. The only fortunate things is that he discovered it before the blueboard was hung.
My personal preference would be to use just a touch of close cell spray foam to seal the framing bays, then dense pac cellulose followed by a layer of 1/2" high R sheathing under the blueboard on every exterior wall / ceiling. I like the spray foam to seal any holes to the exterior, the cells to block air movement & the high R to prevent thermal bridging.
I've used Anderson, March & Martin & The Jones Boys for my foam work on the Northshore. I'm sure that these companies travel throughout most of MA & southern NH.
The Journal of Light Construction & Fine Home Building have both done extensive article on the advantages & the pitfalls of spray foam insulation. Try looking on line for them.
No matter which way you decide to go for insulation, I strongly suggest doing a blower door test in conjunction with thermal imaging to help identify any weak areas. --72.74.xxx.xx |
Spray foam (by elliot [RI]) Posted on: Dec 9, 2013 1:46 PM
Message:
Our builder used Anderson..
We opted spray foam for ceiling and fiber glass for walls. Our is new construction, costs less than $200 to heat a 3000 sqft home. (We set thermostat at 68-70 during day time and 65 when away) --144.160.x.xx |
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