(Formerly Blue Barrier Liquid Flashing 2100)

Polyguard Blue Barrier Liquid Flashing (BB LF) is an all-purpose, fluid-applied flashing installed with an application gun and trowel used to create a weather resistant, fully adhered air barrier system around window and door installations. It was developed utilizing Silyl Terminated Polyether Technology (STPE). It comes in a 20oz “sausage tube” requiring a “sausage gun” to apply. Can be left exposed to UV light for up to 9 months.

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Features & Benefits

High viscosity: supports gun and spread applications
Easy to use trowel application
No mixing needed, no primer required
Exceptional durability prevents flashing wear and tear
Permeable: Allows substrates to breathe
Exceptional adhesion: bonds to multiple substrates in either wet or dry conditions
Superior adhesion to concrete, metal, CMU block, untreated OSB or plywood sheathings and gypsum
Environmentally friendly: Solvent free, isocyanate free and low VOC

Product Resources

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Blue Barrier Liquid Flashing - SDS
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BB LF - Installation Guide
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BB LF- Product Information Sheet

Companion Products

(Blue Barrier Joint Filler 2200)