CRS Flashing Cement – 5 gallon
CRS™ Flashing cement is a top notch, superior grade all weather premium roof mastic that adheres to all surfaces wet or dry. CRS™ flashing cement’s unique formulation is designed for repairing leaks, cracked spots, holes in shingles, concrete, and steel or metal roofs. #501 can be used on all flashings around skylights, gutters, and in all crevices. CRS™ flashing cement is ready to use as it comes out of the can and can be applied with a trowel or knife.
PREPARATION: Surface must be clean and free from rust or any other foreign matter that would interfere with a good bond. For best results in cold weather, store at room temperature for 24 hours prior to application.
APPLICATION: Use a trowel, putty knife, or gloved hand to repair cracks, tears, holes, and breaks by applying cement 1/8“ to 1/4” thick. Apply and work cement into break or crack, then apply cement 2”–4” beyond the problem area feathering the edges. Embed fabric to reinforce cement, then cover with additional cement, if problem area is over 1/4” wide or 2” long.
COVERAGE: Apply at a minimum rate of 1/8”. Approximate coverage 12 square feet per gallon.
PRECAUTIONS: DO NOT THIN. DO NOT HEAT CONTAINER or store at temperatures greater than 120˚F. Be sure lid is tight and pail is secure when transporting this product. Do not allow pail to tumble as this may loosen the lid and allow leakage to occur.
CLEANUP: Clean tools with mineral spirits or paint thinner.
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