Blown Insulation..?

[glowdotGlock]

I have a 10' x 20' out building that I have sank quite a bit of money into as a man cave. It's insulated in the walls and wired and pretty much like a house on the inside but I need to insulate the floor joists underneath before I under-pen it. I have seen some stuff the use that reminds me of foam like the "great stuff" in the can that they can just blow up under there. I know the R-factor may not be as high as traditional insulation but I don't wanna mess with it. I just wanna pay to have it blown up in there. Does anyone know of this service in Middle TN? And ballpark cost? Thanks in advance.

[RED333]

Cost of what you want is gona be high, I dont know of a product that will "stick" when blown up.

Just how high is the crawl space?

A 10 x 20 could be done in about a hour with normal insulation.

[glowdotGlock]

That's the thing. One end is just inches off the ground. I may just use a couple hydraulic jacks and lift that end up a foot or so to do the regular imsulation then set it back down. I had just seen in an episode of "Buying Alska" where the blown insulation was popular up there to resist moisture. But I bill probably just have to break down and suck in the gut and go under it.

[RED333]

If it is that close to the ground, put up think foam as a underpinning, cover it with your siding.

Put a vent or 2 in and call it good. Now if you are living in it full time, yes do a full job.

The vents will get the water out and not let is condense on anything, O yea, put plastic

on the ground as well.

[glowdotGlock]

I hadn't thought of that. That doesn't sound so bad.

[Nynick81]

As far as who does that expanding foam stuff in tn I don't know. But my father is a general contractor up north in new jersey and when he built his house he had the whole thing sprayed. Let me tell you, that stuff is amazing. His house has several split levels and has about 6k sq.ft. of livable space. His heating and cooling cost is ridiculously low. But it is expensive. It cost him whole house about 12k or so.

[Nynick81]

Sorry double post. Edited November 24, 2013 by Nynick81

[kieefer]

31W Insulation can do what you want and there's a few more in the area. 31W did my crawlspace a few years ago and I very pleased.

[peejman]

You're talking about the blue/purple spray foam stuff they use on the DIY channel all the time? If so, I'm sure there's a pro around with the equipment. It's not exactly cheap, but it works great. Be sure you've got a vapor barrier under it.