Larsen Fibreflex™ Ultimate Rapid Set C2FS2 Grey Flexible Tile Adhesive 20kg

Fibreflex™ Ultimate Rapid Set from Larsen Building Products is a premium high-performance, highly flexible S2-rated cement-based tile adhesive developed for the most demanding professional tiling applications. Combining rapid-setting technology with exceptional deformability and superior bond strength, this advanced adhesive is ideal for difficult substrates and high-movement environments.

Manufactured to BS EN 12004 Type C2FS2 standards, Fibreflex™ Ultimate Rapid Set is suitable for fixing almost all tile types including ceramic, porcelain, natural stone, terrazzo, glass, and mosaic tiles. Its highly deformable S2 formulation provides outstanding flexibility and movement accommodation, making it particularly suitable for underfloor heating systems, green screeds, sheeted timber floors, and direct application onto tongue & groove floorboards.

Suitable for interior and exterior wall and floor installations with bed depths from 3–12mm, this professional-grade adhesive offers rapid-setting performance with grout-ready capability in approximately 3 hours, making it ideal for fast-track commercial and residential tiling projects requiring maximum flexibility and durability.

Key Features

• Highly flexible S2-rated tile adhesive
• Fast-setting formulation – grout after approximately 3 hours
• Suitable for porcelain, terrazzo, natural stone, and mosaic tiles
• Highly deformable for demanding substrates and movement areas
• Suitable for underfloor heating systems and green screeds
• Compatible with timber substrates and tongue & groove floorboards
• Ideal for interior and exterior wall and floor applications
• High bond strength and professional-grade durability
• Suitable for fast-track tiling projects
• BS EN 12004 Type C2FS2 certified
• Available in grey