Larsen Fibreflex™ Rapid Set+ C2FS1 Flexible Tile Adhesive 20kg White

Fibreflex™ Rapid Set+ White from Larsen Building Products is a premium fully flexible, S1-rated cement-based tile adhesive developed for high-performance tiling applications where enhanced flexibility, rapid setting, and superior bond strength are essential.

Specially formulated for professional use, this fast-setting adhesive is suitable for bed depths from 3–20mm and delivers exceptional adhesion across a wide range of wall and floor installations. Engineered to BS EN 12004 Type C2FS1 standards, Fibreflex™ Rapid Set+ is ideal for fixing ceramic, porcelain, vitrified tiles, natural stone, glass mosaics, and large format tiles in demanding interior and exterior environments.

Its deformable S1 classification makes it particularly suitable for areas subject to movement or thermal variation, including underfloor heating systems, overboarded timber substrates, and swimming pools. With rapid-setting properties allowing grouting after approximately 3 hours, this adhesive is the ideal choice for fast-track commercial and residential tiling projects.

Key Features

• Fully flexible S1-rated tile adhesive
• Fast-setting formula – grout after approximately 3 hours
• Suitable for porcelain, vitrified, natural stone, and mosaic tiles
• Ideal for large format tile installations
• Deformable adhesive for movement-prone substrates
• Suitable for underfloor heating systems
• Compatible with overboarded timber floors and swimming pools
• Suitable for interior and exterior wall and floor applications
• BS EN 12004 Type C2FS1 certified
• Professional-grade bond strength and durability