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Old 05-05-2013, 01:27 PM   #1
Bus Nut
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Join Date: Apr 2011
Location: Cleburne TX
Posts: 606
Year: 1983
Coachwork: Ward
Chassis: GMC
Engine: 366 Gasser
Rated Cap: 66
Anyone ever use Hy-Tech#85 Barrier Coat

I am going to be getting ready to put windows in soon. I was thinking of spraying this on the inside of the bus before I either spray foam or use poly iso?

By the looks of it... it should sound dampen to some degree.... vapor barrier....and obviously radiant barrier?

The coverage rate is : 200 sq ft per gallon (for attic spray applications) So Im thinking maybe 2-3 gallons? I will probably be ordering the 5 gallon bucket just to be sure I have enough on hand?

Any other thoughts please feel free to put them here?
Here is my school bus conversion thread

Pics of my conversion @ photobucket
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Old 05-05-2013, 10:16 PM   #2
Bus Crazy
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Join Date: May 2010
Location: Farmington Hills, Mi (Detroit area)
Posts: 1,341
Year: 2000
Coachwork: Eldorado Aerotech 24'
Chassis: Ford E-450 Cutaway Bus
Engine: 7.3L Powerstroke
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Re: Anyone ever use Hy-Tech#85 Barrier Coat

Many here have mixed the ceramic spheres into their exterior roof paint and report greatly reduced heat gain on sunny days so this product sounds like it would work also.
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