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

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

Regular price
£11.50 Ex VAT
£13.80 Inc VAT
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£11.50 Ex VAT
£13.80 Inc VAT
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Larsen Fibreflex™ Rapid Set+ C2FS1 Flexible Tile Adhesive 20kg Grey from Larsen Building Products is a premium fully flexible, S1-rated cement-based tile adhesive designed for demanding professional tiling applications. Combining rapid-setting performance with exceptional flexibility and bond strength, this high-performance adhesive is ideal for installations where movement resistance and durability are essential.

Formulated to BS EN 12004 Type C2FS1 standards, Fibreflex™ Rapid Set+ is suitable for fixing ceramic, porcelain, vitrified tiles, natural stone, glass mosaics, and large format tiles across interior and exterior wall and floor surfaces. Its deformable S1 classification provides enhanced flexibility, making it particularly effective on substrates subject to movement or temperature variation, including underfloor heating systems, overboarded timber floors, and swimming pools.

With bed depths from 3–20mm and grout-ready performance in approximately 3 hours, this professional-grade adhesive is ideal for fast-track domestic and commercial tiling projects requiring reliable performance and long-lasting results.

Key Features

  • Fully flexible S1-rated tile adhesive
  • Rapid set formulation – grout after approximately 3 hours
  • Suitable for porcelain, ceramic, vitrified, and natural stone tiles
  • Ideal for large format tiles and glass mosaics
  • Deformable adhesive for movement-prone substrates
  • Suitable for underfloor heating and timber floors
  • Recommended for swimming pools and wet environments
  • High bond strength and non-slip performance
  • Suitable for internal and external applications
  • BS EN 12004 Type C2FS1 certified
  • Grey finish

Specifications

General Information

Product Name: Larsen Fibreflex™ Rapid Set+ C2FS1 Flexible Tile Adhesive
Brand: Larsen Building Products
Product Type: Fully flexible cement-based tile adhesive
Classification: BS EN 12004 Type C2FS1
Colour: Grey
Pack Size: 20kg

Application Details

Bed Thickness: 3mm – 20mm
Suitable Areas:

  • Interior walls and floors
  • Exterior walls and floors
  • Wet rooms and swimming pools

Suitable Tile Types

  • Ceramic tiles
  • Porcelain tiles
  • Fully vitrified tiles
  • Natural stone and marble
  • Glass mosaic tiles
  • Large format tiles

Suitable Substrates

  • Concrete
  • Cement screeds
  • Heated screeds / underfloor heating systems
  • Overboarded timber substrates
  • Swimming pool installations

Performance Features

  • Fully flexible S1 deformable formulation
  • Rapid setting adhesive
  • High-strength polymer-modified bond
  • Suitable for demanding substrates
  • Enhanced movement accommodation
  • Professional non-slip performance

Grouting Time

  • Approximately 3 hours

Coverage

  • Approx. 4m² per 20kg bag at 3mm bed thickness

Packaging

  • 20kg multiwall sealed paper sack

Resources

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