MasterSeal AWB 600 FL Block Filler
A one-component, water-based block filler based on Silica Fortified RubberTM chemistry.
- Low shrinkage; fills voids and pores
- Water-based; nonflammable, low toxicity
MasterSeal® AWB 600 FL is designed to prepare rough, porous concrete / masonry substrates for subsequent application of MasterSeal® AWB fluid applied air/waterresistive barrier products. MasterSeal® AWB 600 FL is also designed to promote adhesion of MasterSeal® AWB 970 FIB self-adhesive membranes to rough CMU surfaces. It can be used to create tight, seamless expansion joints and to facilitate adhesion of through wall flashing systems.
27.2 kg per 19-liter pail
(60 lbs per 5-gallon pail)
Light Weight CMU 175 ft2/pail
Medium Weight CMU 200 ft2/pail
Normal Weight CMU 250 ft2/pail
Actual results may vary widely depending on substrate texture and porosity.