MasterSeal AWB 600 FL 

​Block filler

MasterSeal AWB 600 FL description

A one-component, water-based block filler based on Silica Fortified Rubber^TM chemistry. It has been specifically designed for use with MasterSeal AWB air/water-resistive barrier products.

Recommended uses for MasterSeal AWB 600 FL

• Prepare rough, porous concrete / masonry substrates for subsequent application of MasterSeal AWB fluid-applied air/water-resistive barrier products
• Promote adhesion of MasterSeal AWB 970 FIB self-adhesive membranes to rough CMU surfaces
• Create tight, seamless expansion joints and facilitate adhesion of through-wall flashing systems

MasterSeal AWB 600 FL features and benefits

• Low shrinkage; fills voids and pores
• Water-based; nonflammable, low toxicity​