AkroFill is a non-cementitious, ready-mixed, flexible joint compound that is manufactured with high-grade fiber fillers and 100% acrylic polymers. When reinforced with AkroFlex Starter Mesh, AkroFill is used to treat joints, corners, rough openings, and other transitions within the AkroGuard Water-Resistive Air Barrier Assembly.
AkroFill is a trowel applied, flexible joint compound designed to bridge sheathing joints and rough openings when used in conjunction with embedded AkroFlex Starter Mesh. When used with AkroGuard, it creates a weather-resistive barrier within the AkroFlex EIF Systems or over approved substrates.
1. Gypsum sheathing 2. Fiber faced gypsum sheathing 3. Wood-based sheathing 4. CMU/poured-in-place and/or tilt-up concrete/masonry 5. Cement board