Trade Discount 16%
Low Modulus Polyurethane Sealant 310ml | ±35% Joint Movement | Flexible & Weatherproof | Grey by H.B Fuller
FulaFlex 550LM PU low modulus sealant in a 310ml cartridge offers ±35% joint movement capability, making it ideal for high-movement building joints. Designed for construction professionals, it provides excellent adhesion to various substrates and is both flexible and weatherproof for internal and external applications.
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Product Name/Title: Low Modulus Polyurethane Sealant 310ml | ±35% Joint Movement | Flexible & Weatherproof | Grey by H.B Fuller
Brand: H.B Fuller
SKU: 15019540
Alternatively Known As: Low Modulus Polyurethane Sealant, PU Joint Sealant, Flexible Construction Sealant, Weatherproof Sealant
Technical Specifications
- Type: One component moisture-curing polyurethane
- Modulus: Low modulus Class A
- Joint Movement Capability: ±35% (ISO 9047)
- Certification: ASTM C920 Type S, Grade NS, Class 25; ISO11600/F/25LM
- Colour: Grey
- Packaging: 310ml cartridge
- Adhesion: Excellent to concrete, fibre cement, ceramic, masonry, brick, plasterboard, metal, steel including stainless, zinc/galvanised steel, aluminium (uncoated), timber
- Dimensions (H x L x W): 230mm x 40mm x 40mm
- Weight: 0.31 kg
Key Features
- One component moisture-curing low modulus Class A polyurethane sealant
- Excellent joint movement capabilities (±35% ISO 9047)
- Flexible, durable and weatherproof sealant
- Excellent adhesion to a wide range of common construction substrates
- Good UV and weather resistance suitable for internal and external use
- Paintable
- Fast skin formation and cure rate compared to traditional low-modulus polyurethane sealants
- Certified ASTM C920 Type S, Grade NS, Class 25
- Certified ISO11600/F/25LM
Professional Installation Requirements
- Professional installation recommended to ensure proper joint preparation and application for optimal performance and durability.
Applications
- 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
Standards & Compliance
- Complies with AS/NZS 4858 – Wet Area Membranes and Sealants
- Complies with AS/NZS 4200.1 – Pliable Building Membranes and Underlays
Environmental Benefits
- Durable and long-lasting sealant reduces the need for frequent replacements
- Moisture-curing formulation minimizes harmful emissions during application
Warranty Information
Warranty details available upon request from H.B Fuller.
Available Now
FulaFlex 550LM PU Low Modulus Sealant 310ml Cartridge Grey is available now for immediate purchase. Ideal for construction and building applications requiring flexible, durable joint sealing.
