OSI® Pro-Series® RF-140™ Roofing & Flashing Sealant is manufactured using a
special synthetic rubber and select cuts of asphalts. This allows RF-140 ™ to
cure into a tough, rubbery stage which will expand and contract more readily
during temperature variations.
Features
Low temperature extrudability
Easy application
Sets in 24 hours
Long lasting through years of continual weather extremes