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  #16 (permalink)  
Old 02-20-2011, 07:39 AM
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Quote:
Originally Posted by ogre
those roll over the framing batts are pretty worthless.
plan on spending a bunch to heat a metal building.
if it's one of those culvert type buildings, spray on is your only choice.
unless it's a big building, just frame up a garage.
Spray on is the only way to go they'll spray everything and that stuff sticks to everything wood ,steel ,concrete they used it in my shop and I love it its sealed up tight...it expands so it fills gaps and it drys hard as a rock...

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Old 02-20-2011, 08:08 AM
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spray foam.

The family farm has a 40 x 60 : metal culvert type building with sprayed on foam I wondered about the fire safety since it is exposed. My wife's cousin used to build wood stoves in the winter, it never caught on fire with all the welding they were doing. We used to heat it with a kerosene type torpedo heater to keep the produce from freezing until it was sold. Cost to heat VS sales potential VS donate what's left to the Food bank and take the tax deduction.
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Old 02-20-2011, 08:21 AM
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Originally Posted by timothale
The family farm has a 40 x 60 : metal culvert type building with sprayed on foam I wondered about the fire safety since it is exposed. My wife's cousin used to build wood stoves in the winter, it never caught on fire with all the welding they were doing.
I was wondering the same thing about mine...but its a two part system I believe its flame retardant when dry,I wouldnt try getting a flame near it until then though...
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Old 02-20-2011, 05:14 PM
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If the spray foam is approved for occupied buildings, then it must be fire rated.

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Old 02-20-2011, 06:19 PM
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drywall covered

in the old days some of the foams had to be completely covered with 1/2 drywall. the nice thing about the foam is it seals out all the air leaks. , A cousin had the interior of his garage spray sealed , I think his buddy sprayed what was left at the end of the day, then later netted and blow in before drywall.
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Old 02-21-2011, 08:48 AM
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Metal Building Insulation

There are several ways to insulate a metal building, depending on the R value of the project. Insulation usually comes in 3", 4" or 6" thickness this will depend on what R value you are seeking, I would recommend http://insulation.org to find the exact R value suitable for your project. If you are looking for a more custom insulation to reach an R value of lets say R30, I would recommend contacting a custom metal buildings company *********************************

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Old 05-19-2011, 10:42 AM
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Metal Building Insulation

For anyone that finds this thread looking for insulation info... if you live in a humid climate like I do, steel buildings sweat/condensation and mold can be a problem when it gets in between fiberglass insulation. The best insulation for a metal buiding is closed cell spray on foam. It sprays on and seals water tight and forms a barier so condensation can't get through. It's expensive, I've been doing a lot of looking around for DIY spray on foam kits for my steel building... and for 2000 sq ft area it looks like it could cost me about $3000... But I've gone this far with my "dream shop" and after waiting till I retired for a nice shop, I'm going to do it right. Closed cell foam actually works better than the fiberglass batting.
NOTE: Open cell spray on foam won't work, it won't seal out the moisture and you will end up with a big mess and a big waste of money. Just my 2 cents... for what it's worth.
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