... Roof work, guttering system, sheets laps, opening in brick and concrete surface 2.Seal ... structure. Composition:The anti-water self-adhesive tape is mainly composed by Isobutylene isoprene rubber, ... sealing tape has excellent water-proof, insoluble in water and anti-agingfeature.3. Easy to install and tear down ... . Roof work, guttering system, sheet laps, opening in brick and concrete surface.4.To seal ...