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Old 01-21-2019, 03:06 PM   #41
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Originally Posted by FamilyCircus View Post
I am using Polyiso foam board 1.5" thick to cover most of the walls, its $7 per 4x8 sheet and then Im going to spray closed cell foam on top of that to fill in the areas I couldnt get foam board to cover.

they are both the same type of insulation, I get the factory seconds of the board way cheaper that the spray foam kits. I need to cover a significatnt amount and didnt want to pay for 2 kits at 650 a pop.

for 100 bucks I can get a bunch of board to take up the majority of the volume.

Look at the walls in the pictures, the white squares are the foam board glued to the window areas.
Sounds like a great plan to me.

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Old 01-27-2020, 07:41 PM   #42
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Trying to decide between regular fiberglass insulation and spray foam. Iím not too worried about the r value as Iím only going to use the skoolie as a weekend warrior in the summer time. The place we camp is typically in the shade. What I am concerned about is does the spray foam make the bus sound more solid? Does it ďlockĒ everything in? Iím looking for a solution that offer the most solid feeling bus, esp driving down the road. Any thoughts?
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Old 01-28-2020, 10:09 AM   #43
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Quote:
Originally Posted by Tmy8ster View Post
Trying to decide between regular fiberglass insulation and spray foam. Iím not too worried about the r value as Iím only going to use the skoolie as a weekend warrior in the summer time. The place we camp is typically in the shade. What I am concerned about is does the spray foam make the bus sound more solid? Does it ďlockĒ everything in? Iím looking for a solution that offer the most solid feeling bus, esp driving down the road. Any thoughts?
Are you more concerned with sound insulation than thermal insulation ?
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Old 01-28-2020, 10:33 AM   #44
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Without a doubt the spray foam will be more solid and have everything "locked in".

We spray foamed the walls in the shop when we built it, which was nothing more then a wooden pole barn with steel siding. The foam job sealed everything up, and made the whole building more rigid and way more quiet in the wind/weather.

We had no issues with chemical off gassing. We let the walls sit open for the time they recommended. And now they're covered you wouldn't be able to tell, especially with the chemicals that are present in your typical shop.
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Old 01-28-2020, 11:24 AM   #45
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I have had two buses spray foamed.

I have been amazed at the reduction in noise and air infiltration.
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Old 04-13-2020, 07:15 PM   #46
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Quote:
Originally Posted by FamilyCircus View Post
I am using Polyiso foam board 1.5" thick to cover most of the walls, its $7 per 4x8 sheet and then Im going to spray closed cell foam on top of that to fill in the areas I couldnt get foam board to cover.

they are both the same type of insulation, I get the factory seconds of the board way cheaper that the spray foam kits. I need to cover a significatnt amount and didnt want to pay for 2 kits at 650 a pop.

for 100 bucks I can get a bunch of board to take up the majority of the volume.

Look at the walls in the pictures, the white squares are the foam board glued to the window areas.
Did you end up spray foaming over the polyiso? How did it work out? Iím considering doing the sameótaking up as much volume with rigid board as I can then encapsulating with spray foam.
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