FulaFlex™ 550 LM is a one component moisture-curing low modulus Class A polyurethane sealant with excellent joint movement capabilities. It cures to form a flexible, durable and weather proof sealant and exhibits excellent adhesion to a wide range of common construction substrates.
Key benefits
- Low modulus, Class A joint sealant
- Excellent flexibility (tested to ±35% ISO 9047)
- High performance - Excellent adhesion to many surfaces
- Good UV and weather resistance - can be used internally or externally
- Paintable
- Fast skin formation and cure rate compared to traditional low-modulus polyurethane sealants
- ASTM C920 Type S, Grade NS, Class 25 certified
- ISO11600/F/25LM certified
Uses
- Building joints with high movement
- Joints in pre-cast and tilt-up concrete elements
- Expansion joints in fibre cement facades
- Connection joints between windows, door frames and walls
- Joints in brickwork, masonry and blockwork
- Perimeter fillets in waterproofing membrane systems
Compatible Substrates
- Concrete
- Fibre cement sheeting
- Ceramic
- Masonry
- Brick
- Plasterboard
- Metal
- Steel inc. stainless
- Zinc/galvanised steel
- Aluminium (uncoated)*
- Timber
- * pre-test powder coated aluminium surfaces due to the wide range of available coatings