Buy 12 tubes (or a full case/carton) and receive 5% off. Discount applied at checkout. 

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.

Please note the pricing is per tube. Case contains 12, 20 oz sausages of BB LF. Add 12 to cart to receive a full case.

Blue Barrier Liquid Flashing 

• . What is Polyguard Blue Barrier Liquid Flash (BB LF)?
  Polyguard Blue Barrier Liquid Flash (BB LF) is a high-performance, fluid-applied flashing membrane designed to create a fully adhered, flexible, weatherproof, and airtight barrier around windows, doors, and other wall penetrations.
• What technology is used in Blue Barrier Liquid Flash?
  It was developed utilizing Silyl Terminated Polyether (STPE) technology, which enhances its performance as an air barrier flashing membrane.
• . Can Blue Barrier Liquid Flash be left exposed to UV light?
  Yes, it can be left exposed to UV light for up to 9 months without compromising its performance.
• What sizes are available for Blue Barrier Liquid Flash?
  The product is available in 20 oz tubes. A case contains 12 tubes (“sausage tubes”).
• Does Polyguard Blue Barrier Liquid Flash contribute to energy efficiency?
  Yes. Creating an effective air and weather barrier at window and door openings helps reduce air infiltration and improves the overall energy efficiency and durability of the building envelope.
• What surfaces can Blue Barrier Liquid Flash be applied to?
  It adheres well to common construction substrates, including OSB, plywood, concrete, masonry, metal, and vinyl window and door frames.