Belzona
Belzona 3121
Belzona 3121 (MR7) A 2-part polymer composite designed to provide emergency roof repair and weatherproofing for leaking roof areas. Belzona 3121 (MR7) is liquid-applied and bonds strongly to all common roofing surfaces including slate roofs, tile roofs, asphalt, felt, asbestos cement sheet roofs and metal roofs, even during adverse weather conditions. This fast-curing, all climate flexible repair system incorporates a reinforcement sheet which ensures the coating will adapt to roof movements and follows complex roofing contours. This system is water resistant immediately after application and can cure even if fully immersed in water.
Key benefits
- 01Can be applied and will cure even during adverse weather conditions
- 02Simple application method with no primers or conditioners required
- 03Application and cure as low as 0°C (32°F)
- 04No hot work involved
- 05Microporous structure allows trapped moisture to escape whilst providing long-term weatherproofing protection
- 06Excellent adhesion to a wide range of materials including felt, asphalt, lead, zinc, copper, glass, concrete and brick
- 07Adapts to roof movements with its outstanding elasticity
- 08Can be easily applied by brush
Applications
- Emergency repair of roof lights, gutters, splits in roofing felt, leaking joints and other roof areas
- Sealing of joints and seams to provide weatherproofing and waterproofing
Product categories