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leted_82 05-14-2007 04:54 PM

Spray in foam insulation
I was wondering what the pro's opinions are on using spray-in foam insulation. I would be using it to insulate concrete basement walls between 2x4 stud walls that I framed. I have about 120 feet of 8' wall to insulate.

Some websites I visited recommend having this professionally done. I have also located a couple sites that sell DIY kits. Two of these are Tiger Foam ( and FoamPower HandiFoam (

Anybody have experience with the DIY foam kits? Is spraying the 1" layer sufficient to drywall over? Thanks for any info!

andrea3821 05-30-2007 06:25 PM


Beamer 05-31-2007 11:04 AM

I'm not a pro but I figure I'd chime in anyway. I did some research before having the inside of my metal barn/shop sprayed.

Tiger foam comes out to about 1 a square foot of wall (if you buy the 600 sf package). I had three reputable companies come out and give me quotes based on a 1" thick spray. The prices ranged from $.95 to 2.00 per square foot. I went with the local family business that did it for .95. They had a good rep.

I watch the guy spray the barn and even though he layed out plastic it pretty much is a big messy job. The stuff gets all over the guy spraying and he had to go through a dozen safety glasses. he was covered head to toe from the overspray. The hardest part was maintaining a consistant stroke so the foam expands evenly. This guy had been doing it for a long time. So my two points would be first, that you may find that someone can actually beat the Tigerfoam price including labor (like I did). Second your learning curve waste may cost you more in the long run.

Now that said, I will probaly buy some to do touch up or small areas that I didnt have done because I wasnt ready but for jobs bigger than spot spraying I will be calling the professional.

I hope that helps.


Beamer 05-31-2007 11:14 AM

Well, I wanted to try and address another part of your post concerning if 1" is enough. I guess it depends on the R factor your looking for, 1" of foam comes out to a 7 R factor. However, I believe that using foam gives you a better insulation due to its ability to fill in every crack, gap or hole. Its also a vapor barrier. In North Mississippi if I ac the barn then the metal is going to sweat. The foam stops that and gives a whole lot of structure to the metal panels. However, I have a second floor where I'll insulate the floor joists above the shop with regular batt insulation because its a lot cheaper and doesnt need the other benefits of the foam.

By the way, the stuff is a pain to remove wants it dries.

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