Henry Premier 350 Wet/Dry Plastic Roof Cement — 1 gal is a fibered asphaltic mastic for patching roof leaks and sealing around flashings, gutters, chimneys, downspouts and similar roof penetrations.

Model PR350042 is listed at 0.9 gal actual contents. Its key selection advantage is wet-or-dry adhesion, making it suitable for emergency repair work as well as routine maintenance. Use the current label for substrate preparation, thickness, compatibility, PPE and cure requirements.