Flash Harry Bitumen Mastic Trowelable Waterproofing Sealer Exterior Paste Crack Filler  (1 L)

Bitumen Mastic Trowelable Waterproofing Sealer – 1 Litre Bitumen Mastic is your trusted choice for fast, effective roofing repairs and defect sealing. Formulated as a heavy-duty, trowel-applied compound, it delivers long-lasting protection and reliability for a variety of roofing issues. Key Features: - **Versatile Roofing Repair:** Seals most roofing defects, including roof screw bolts, nail holes, sheeting laps, valleys, gutters, downpipes, and cracked tiles. - **Integrated Membrane:** Features a built-in membrane that removes the need for separate installers or additional products, simplifying your roof repair process. - **Solvent-Based for Urgent Repairs:** Perfect for emergency fixes, this solvent-based mastic is effective even in damp or approaching wet weather conditions. - **Limitations:** Not suitable for use in drinking water tanks, fish ponds, or areas exposed to negative water pressure. - **Flammable When Wet:** Use proper fire precautions during application and storage. - **UV Protection Recommendation:** For exposed areas, overcoat with Alu-Coat Silver (bituminous aluminium paint) for enhanced UV resistance and longevity. - **Easy Cleanup:** Cleans up easily with thinners, solvent, or petrol after use. Protect your roof against leaks and damage with Bitumen Mastic—a proven solution for both minor and major roofing repairs. What’s in the box: 1 x FLASH HARRY Bitumen Mastic Trowelable Waterproofing Sealer (1 Litre)