MasterSeal AWB 600 FL block filler

(formerly Enershield FIL)

MasterSeal AWB 600 FL description

A one-component, water-based block filler based on Silica Fortified RubberTM chemistry. It has been specifically designed for use with BASF 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

US/Canada support literature

Data Guide

Data Guide (French)

Data Guide (Spanish)

LEED Letter

LEED v4 Letter

MasterSeal AWB Spray Guidelines

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

Equipment recommendations for application of MasterSeal AWB air and water-resistive barriers: Masterseal AWB 600 FL

pdf (131.49 Kb)

LEED v4 Letter for MasterSeal AWB 600 FL

pdf (148.91 Kb)