BOSS 333 is a ready-to-use, multi-purpose, polyurethane foam that expands to three times its original volume when in contact with air. This volume expansion capability fills holes, cracks, and gaps more completely than standard caulks. The product also has excellent insulating properties and superb adhesion to virtually all building materials.
Directions for use:
1.shake can well for atleast 20 seconds.
2.surface must be clean and free of grease and oil .moisten surface with a water sprayer prior to application.
3.can must be held upside down during application.
4.fill void upto 50% to allow for expansion.
5.uncured foam can be cleaned with boss C-333 foam cleaner.
6.cured foam can be trimmed,sanded,painted orstained.foam must be painted or covered,if application isexposed to uv light.
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