3040BK 2” has quickly become a favorite of deck builders across North America. No other product combines performance and ease of use. Adds protection to deck joists and helps to increase longevity.
Ultimate Flashing performance with unmatched contractor friendly features. AAMA 7-11 Level 3 Class A means 3040BK Flashings meet the highest standards for hot and cold performance and does so without the need for additional primer. Lighter weight than butyl or rubberized asphalt flashings 3040BK outperforms these products by significant margins.
-3040BK is used to professionally flash Windows, doors, deck beams, deck joists, etc. Use anywhere you need permanent protection.
-3040BK Flashings have been recently tested for 50 year aging and have demonstrated to retain over 60% of original adhesion and over 100% of original tensile strength.