OSI® RF-140™ Roof & Flash Sealant

OSI Products / OSI® RF-140™ Roof & Flash Sealant

OSI® RF-140™ Roof & Flash Sealant

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OSI® RF-140™ Roof & Flash Sealant OSI RF-140 Roof & Flash Sealant is manufactured using a synthetic rubber and select cuts of asphalts allowing it to cure into a tough, rubbery stage that will expand and contract more readily during temperature variations. It is used for roof shingles, flashing, general roof repairs and great for fixing minor cracks in asphalt roof surfaces. The adhesion characteristics of the asphalt is augmented with resins to provide a flexible long lasting seal to most surfaces. OSI RF-140 can be applied in a wide temperature range and resists cracking.

Features
  • Flexible and non-hardening
  • Can be applied in all weather conditions
  • Bonds well to wet or dry surfaces
  • UV Resistant, will not deteriorate from sunlight over time
  • Joint movement capability of ± 25%
Sizes
  • 10.2 fl oz (301ml) cartridge
  • 28 fl oz (827ml) cartridge
Colors
  • Black
Clean Up

Mineral spirits or paint thinner

Related Products

OSI® RF-140™ Roof & Flash Sealant

Recommended for

OSI RF-140 Roofing & Flashing Sealant is manufactured using a special synthetic rubber and select cuts of asphalts. By combining these two materials, the natural tendency of hardening and softening generally associated with asphalt is modified considerably with the rubber. This allows RF-140 to cure into a tough, rubbery stage which will expand and contract more readily during temperature variations. In addition, the adhesion characteristics of the asphalt are augmented with a stable tackifying resin which will provide a lasting and flexible bond to most surfaces. Unlike other roofing sealants, RF-140™ can be applied at temperatures between 20°F (-6.67°C) and 90°F (32°C) without difficulty in extrusion. Also, it resists the cracking which is common to most types of plastic roof cements.

Not Recommended for

  • Applications as an expansion joint control sealant
  • Bonding, polystyrene foams and polypropylene or polyethylene plastics
  • Use inside occupied structures or in enclosed spaces
  • Continuous water immersion

 

 

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