Henry 201 Fibered Black Asphalt Roof Coating  - 4.75 Gallon 24-in x 24-in Tile They are grade 8 bolts

They are grade 8 bolts that are partially threaded along the shank

bendable design allows for endless installation possibilities

but not over existing tile or over radiant underfloor heating

99 mil) Warranty Limited lifetime residential/10-year commercial UNSPSC 30161700 Dimensions Illustration 20 in x 20 in x 5 mm (per image) Frequently Asked Questions (FAQ):

Henry 201 Fibered Black Asphalt Roof Coating  - 4.75 Gallon 24-in x 24-in Tile They are grade 8 boltsHenry 201 fibered black roof coating is a premium cold applied, brush or spray grade asphalt coating in a solvent system. It is a penetrating type protective coating formulated to provide a tough, durable, weather resistant film to protect existing roofs in good condition. The solvent system allows working at lower temperatures than with asphalt emulsions and the coating won't wash off if unexpected drizzle occurs before curing. California residents