![]() Slowly add 50 lb (22.68 Kg) of FIBERWALL Cement to the liquid, constantly mixing and stirring to “pancake” consistency. Remove the package of fiberglass strands from inside of the FIBERWALL pail. Check every third course of block for plumb and straightness.įor application over Bare, Porous Surfaces (new concrete block): To a clean mixing container, first add 2 gallons (7.5 L) of clean water. Fit blocks snugly and remove any burrs or appendages to ensure good tight fit between blocks. Allow mortar to set approximately 4-8 hours before stacking remaining courses of block in a running bond pattern. Set the first course of block into mortar. Use quality materials and accepted construction techniques. Pre-wet surface completely with clean water prior to and during application of FIBERWALL.įor Application on New Construction of Dry-Stacked Concrete Blocks: As noted above, ensure surface is clean. Then, repair all cracks and holes in the surface with Damtite Hydraulic Cement. It is important to also neutralize any efflorescence (white, salt deposit of alkali), mold or mildew on the surface with Damtite Concrete Cleaner Crystals mixed with clean water (safe and odorless in non-ventilated areas) or with Muriatic Acid, following instructions on the label. For Application over Existing Surfaces: Ensure surface is sound, remove any loose particles and thoroughly clean any oil, grease, forming compounds from the surface since they would inhibit good adhesion of the coating onto the surface.
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