Posted 2011-02-13 10:17 AM (#130193) Subject: Roof sealants
Member
Posts: 7
Location: Waynesville, Ohio
I have a steel trailer and am looking for the best product to seal and protect the roof. The trailer sits outside all the time. I want it to be white also to help with the heat.
Posted 2011-02-13 12:26 PM (#130197 - in reply to #130193) Subject: RE: Roof sealants
Extreme Veteran
Posts: 379
Location: Missouri
Many years ago I painted a product called Kool Seal on my first trailer. It stays flexible so it doesn't crack with the expansion and contraction of the metal. I was very satisfied with the ease of application and how it held up. It also helped with the temperature inside the trailer.
Posted 2011-02-14 11:10 AM (#130252 - in reply to #130193) Subject: RE: Roof sealants
Expert
Posts: 5870
Location: western PA
If the roof doesn't leak and it's not rusty, a good oil based white paint will provide the reflectivity you need to reduce the interior temps. If you feel your trailer needs a sealant coating, elastomeric products available from many sources work well and are long lasting.
I used the Kool seal product on a steel trailer I had. It failed in a dismally short time, and had to be completely sanded off before I could recoat with a marine grade paint. It was a mistake that I won't again repeat.