Titebond Roof Cement is an all-weather, asphalt based patching compound specifically designed and formulated to repair cracks, seams, gaps and holes in roofing materials. This sealant is ideal for repair and new-construction roofing applications. Use Titebond Roof Cement to set flashings, drip edges and roofing material edges as well as to install shingles and roll roofing. Seals around skylights, vents, chimneys, valleys and exhaust pipes.