CEMENT ROOF ALLWTHR PLASTIC 5G Specifications: Compositions: Asphalt Mineral Spirits Kaolin Cellulose Bentonite 1 2 4-TrimethylBenzene Benzene 1 3 5- Trimethy Fibered repair mastic designed to patch roof surfaces. Use in wet or dry conditions to seal and stop leaks around flashings skylights vent pipes chimneys and valleys. For the repair of cracks seams and holes in all roofing materials. Can be used below grade as a heavy duty foundation water-proofing and damp-proofing. Thick trowel grade. Covers approximately 12 sq ft per gallon when applied 1/8 thick.