roof seam coatings
astros7
Reg. Apr 2008
Posted 2008-04-24 4:06 PM (#82570)
Subject: roof seam coatings


Member


Posts: 11

Location: centerville, texas		looking for something to apply to the seams on my trailer roof, want to redo it before it leaks any suggestions on what I can use and were to buy it.
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gard
Reg. Aug 2007
Posted 2008-04-24 6:13 PM (#82572 - in reply to #82570)
Subject: RE: roof seam coatings


Expert


Posts: 5870
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Location: western PA

A marine polyurethane caulking works very well for roof sealing. The most popular are made by 3M   3M5200 or 3M4200, or Sika by Sikaflex 292, 296,295uv

Most general purpose silicones perform poorly for this service

These caulks are available at most big box stores or marine suppliers and are available in colours

The main component in their longevity and effectiveness, is the removal of the old caulk before any new material is applied. Applying new over old will be ineffective, and waste your time and money.

Gard



Edited by gard 2008-04-25 9:40 AM
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