Applicable roof Wall gap Nozzle crack repair The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color Seeps into cracks and holes. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable; lasts many years Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies Protects surface from corrosion, can be used on wet or dry surfaces Will not sag or drip in the Summer heat. Will not crack or peel in the Winter cold 450ml color:BLack Grey white Note: the bottom of the bottle is the production date and the shelf life is 3 years Shake the product before use, and spray it upside down a few times after half use, so that the pipe won't be blocked. You can still use it next time. Product name: AYXU sealant spray Material: Polyurethane Product Type: Solvent type Alkali retention: Yes Water resistance: high Drying time: 2 hours Weight: 450 ml (400 g) Solid content: 8 (%) Dosage: 1 bottle of 1 square meter Color: Beige/Gray/Black Function: Quickly repair leaking areas such as drains, pipes, drains, windows, roofs and roofs, car doors, flat roofs, etc.