BAL Rapid-Flex Single Part Flexible Tile Adhesive 20kg

BAL Rapid-Flex is the UK's leading single-part flexible tile adhesive — the go-to choice of professional tilers for large format porcelain, natural stone and wet room installations. Rated C2TE-S1 to EN 12004, it delivers the strength and flexibility required by modern tiling standards without the complexity of two-part systems.

Whether you're laying 600×1200mm large format tiles on underfloor heating, a fully tanked wet room, or a natural stone floor that needs movement absorption, Rapid-Flex handles it all from a single bag.

Why Professionals Specify BAL Rapid-Flex

• BBA certified — accepted by architects, specifiers and building control
• Single-part formula — just add water, no separate polymer admix needed
• Non-slump on walls — holds large format tiles without sliding
• 30-minute open time — comfortable working window for large slabs
• S1 flexible classification — ideal over underfloor heating and timber floors
• Compatible with all tile types including polished stone and glass-backed tiles
• Wet room and shower approved — passes BS 5385 immersion testing

When to Choose Rapid-Flex

• Large format tiles (600×600mm and above)
• Underfloor heating systems (electric or water)
• Wet rooms, showers and steam rooms
• Natural stone — marble, limestone, travertine
• Movement-sensitive substrates (timber, plywood)
• Anywhere a BBA-certified adhesive is specified