Sale! BOSS 231 CLEAR Adhesive Sealant Window Siding Roofing Sealant
BOSS 231 CLEAR Adhesive Sealant Window Siding Roofing Sealant


Conspec Family Business BadgeConspec Warranty BadgeBOSS® 231 A plasto-elastic, paintable, one-component repair sealant used in Construction, Industrial, Commercial Grade.


$15.97 $7.99

 BOSS® 231 CLEAR Professional Grade Sealant Adhesive

BOSS® 231 CLEAR is a plasto-elastic, paintable, one-component repair sealant based on copolymers, BOSS® 231 has excellent adhesion on bitumen, asphalt, hardened concrete, metal, glass, brick, wood and plastics including Kynar® 500*. BOSS® 231 is also suited for wet, non-absorbing surfaces, and is ideally suited for waterproofing cracks in roofs, gutters, skylights, chimneys, walls, etc. BOSS® 231 is resistant to U.V. exposure and temperatures up to 200°F.  BOSS® 231 is a fast  repair product for leaks in gutters, drainpipes, and can be used in implementing emergency repairs, even in rain, and as a sealant at cracks and seams.

  • Waterproof plastic tube = no more ruined jobsite materials!!
  • Suitable for general weatherproofing applications
  • Service Temperature -4°F to 200°F
  • Fast Skinning in 10 minutes
  • Make instant leak repairs even in the rain!
  • Meets ASTM C-920
  • Screw-on Nozzles included
  • Provides weatherproof and waterproof seal
  • Resists ozone, UV radiation and temperature extremes
  • Exceptional elongation and flexibility
  • Excellent adhesion to many building surfaces even when damp
  • Remains flexible
  • Paintable
  • Asphalt shingle compatible
  • Easily applied, non-sag, non-stringing, paste formulation
  • Tools and cleans up easily
  • Bonds to Kynar 500 and other Coated Metals
  • Bonds to Concrete, Wood, Metal, Brick, Vinyl, Plastic, Coated Steel, Asphalt and More!
  • VOC Compliant in all 50 States



To view the most recent Technical Data Sheet, please click here.

Weight 20 oz
Dimensions 2 x 2 x 9 in
Product Color


Product Size

10-oz Cartridge

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