Holdfast Water Stop 1000 Roof Repair Paint 750gm
Instant Waterproof Roof Repair for Leaks, Cracks & Joints
The Holdfast Water Stop 1000 Roof Repair Paint (also known as Gorilla WaterStop 1000) is a premium, fibre-reinforced waterproofing solution designed to provide long-lasting protection for roofs, gutters, balconies, and terraces. Its unique stretchable, rubberised formula creates a completely waterproof barrier , sealing leaks even on wet or damp surfaces.
Unlike standard roof paints, this advanced solvent-based acrylic coating is UV resistant, flexible, and durable for over 10 years. Whether you need to repair cracks, joints, or seal entire flat and pitched roofs, Water Stop 1000 ensures reliable protection in New Zealand’s harsh conditions. Key Benefits
Creates a permanent waterproof barrier – ideal for leak repair
Can be applied to wet or dry surfaces and even in sub-zero conditions
Fully elastic once cured, expanding and contracting with roof movement
Fibre-reinforced for extra strength and gap-bridging ability
UV resistant – won’t discolour or break down in sunlight
Long lifespan – tested to last 10 years
Safe to walk on once cured Ideal Applications
Flat and pitched roofs (bitumen, tile, concrete, metal, zinc, plastics)
Gutters, balconies, terraces, and cupolas
Sealing roof joints, cracks, and problem areas
Long-term roof protection in extreme weather conditions Technical Specifications
Coverage: approx. 2kg/m²
Size: 750gm tin
Temperature resistance: -30°C to 80°C
Curing starts within 15 minutes
Elongation at break: 1000% flexibility
Finish: durable, rubberised, walkable surface Why Choose Holdfast Water Stop 1000?
With superior adhesion, strength, and weatherproofing , Holdfast Water Stop 1000 is trusted by professionals for roof repairs and maintenance. Its fibre-reinforced technology ensures a stronger, longer-lasting repair compared to traditional coatings, making it a cost-effective solution for homeowners and contractors.