DAP Dynaflex Ultra is formulated for demanding window, door and siding applications. No cracking, chalking or crumbling. Repels water absorption for an ultra-weatherproof seal. Stays flexible to endure expansion & contraction caused by sun, heat, cold wind & rain. Strong multi-surface adhesion.
Meets ASTM C920. Resists dirt & dust build up. No color fading or yellowing, bubbling, blistering, softening or hardening. Lifetime mold, mildew & algae resistance. Excellent paint finish results – no cracking, glossing or dulling.
