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Old 03-27-2017, 04:43 PM   #1
Mini-Skoolie
 
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Year: 1982
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Roof painting advice.

Need advice on sealing and painting the roof on my 1982 blue bird? It has a thick hard enamel paint and I just want to seal and paint the roof now as my next step since I have a few drips when it rains. They are on the seams of the roof skin. Nothing fancy just strong and durable. I haven't picked the new color yet so seal and prime would be best for now.
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Old 03-27-2017, 04:58 PM   #2
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Don't forget to use seam sealer before you start painting.
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Old 03-28-2017, 04:44 AM   #3
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Definitely replace the leaking seams, and go with white elastomeric, to help reflect the sun.
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Old 03-28-2017, 04:55 AM   #4
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flat white reflects the most heat, elastomeric collects a lot of dirt.
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Old 03-28-2017, 05:11 AM   #5
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Quote:
Originally Posted by superdave View Post
flat white reflects the most heat, elastomeric collects a lot of dirt.
Elastomeric also turns yellowish over time. Flat white makes a perfect bus roof paint!
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Old 03-28-2017, 08:59 PM   #6
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Robin, you mentioned seamsealer. I have a friend that restored yachts for a decade or so and he told me about 3M™ Marine Adhesive/Sealant 5200.

(copy and past from 3M PDF)
Description
3M Marine Adhesive/Sealant 5200 is a one-part polyurethane that chemically reacts with moisture to
deliver strong, flexible bonds. It has excellent adhesion to wood, gelcoat and fiberglass. It forms a
watertight, weather-resistant seal on joints and boat hardware, above and below the waterline. In
addition, its flexibility allows for dissipation of stress caused by shock, vibration, swelling or shrinking.

Features
• Tough/flexible polyurethane polymer
• Non-shrinking
• One-part moisture cu

Overlap Shear Strength
One inch (2.54 cm) overlap specimens (0.093 inch (0.2362 cm thickness). Samples cured at 70°F (21°C),
50% Relative Humidity.

Substrate psi kg/cm2.
Wood(s):
Teak 502 35.3
Pine 680 47.8
Oak 549 38.6
Maple 656 46.1
Fir 700 49.2
Mahogany 564 39.7

Metal(s):
Steel 538 37.8
Stainless Steel 352 24.7
Aluminum 393 27.6
Brass 474 33.3
Bronze 252 17.7
Copper 198 13.9
Lead 107 7.5
Zinc (Galvanized) 484 34.0

Plastics/Polymers:
Fiberglass 362 25.5
Gelcoat 519 36.5
Polycarbonate 381 26.8
Acrylic 217 15.3
Nylon 175 12.3
ABS 231 16.2
Polypropylene 55 3.9
Polyethylene 48 3.4

So pretty cool stuff. If its what they use on yachts above/below water and many other applications it should be good forever on my skoolie. I do not ever want a roof seam or rivet bed to fail so I will defiantly be using this stuff. just wanted to pass on something that may help.

If im missing something about this product that would be a negative do tell. Any advice...thanks for the replies.
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Old 03-28-2017, 10:07 PM   #7
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I've never heard of the marine grade sealer. Regular seam sealer is supposed to be available in most parts stores. I have no idea what product works best, but marine grade is usually about the best stuff.
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