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BOSS 125 - The Beast Multi-Seal Product..... All Weather - Rain or Shine.....


BOSS® 125 Multi-Seal® Building/Construction Sealant is a multi- purpose, one part sealant, formulated with USPTM Technology. This unique sealant is free from solvents and isocyanates. It cures on exposure to atmospheric moisture to form a highly durable flexible sealant.

BOSS® 125 Multi-Seal® has been formulated to offer outstanding primerless adhesion to most common building materials including vinyl, aluminum, steel, concrete, wood and glass. It can be applied and tooled under most weather conditions. This sealant is paintable with most latex base paints*.

*Test small area for compatibility before painting 


• Wide temperature gunnability; can be applied in any season 

• Primerless adhesion to damp and non-porous surfaces

• VOC Compliant in all 50 states

• Qualifies for LEED Credits 

• Ease of use, one-part adhesive sealant, no mixing required 

• Good weatherability - virtually unaffected by sunlight, rain, snow, ozone, and temperature extremes 

• Good UV resistance and color stability 

• Long life reliability; cured sealant stays flexible without tearing, cracking, drying out, or becoming brittle. 

• With its non slump properties, can be used in vertical, horizontal and overhead joints 

• Non-yellowing and non-staining

• Non-streaking

• Paintable with most latex base paints* (except Translucent) • Free from solvents and isocyanates

• Bonds to Kynar 500® 

Mike McNultyComment