Description
Ardex X7R S1 Flexible Rapid Set Tile Adhesive – Grey 20kg Full Pallet
Ardex X7R S1 is a flexible, rapid-setting cement-based tile adhesive rated C2FE S1, engineered for professional tiling where fast return to service is essential. It delivers excellent bond strength and S1 flexibility while significantly reducing setting time — ideal for commercial projects, fast-track installations, and sites where grouting and trafficking must happen as quickly as possible. The grey colourway suits darker tiles, natural stone, and slate.
Available here as a full pallet of 48 x 20kg bags, ideal for contractors and building firms managing time-critical or large-scale installations.
Key Benefits
- C2FE S1 classification — rapid set with flexibility and extended open time
- Fast setting time — allows early grouting and return to service
- S1 deformability — accommodates substrate movement
- Grey colourway — suited to darker tiles, natural stone, and slate
- Suitable for walls and floors, internal and external
- Compatible with porcelain, ceramic, natural stone, and large format tiles
- Suitable for use in swimming pools and wetrooms
- Compatible with underfloor heating systems
- Pallet quantity for trade efficiency and bulk project supply
Applications
Suitable for ceramic and porcelain tiles, natural stone, slate, and large format tiles on concrete, screed, sand and cement, tile backer boards, and existing tiles. Particularly suited to fast-track projects, commercial floors, swimming pools, and sites requiring early return to service.
Why Buy by the Pallet?
With 48 x 20kg bags per pallet, this bulk format delivers significant cost savings for larger tiling projects. Delivered direct to site, reducing per-bag cost and saving valuable time on procurement.
Millcot is a trusted UK trade supplier of professional tiling, wetroom, and construction materials. All products are sourced directly from manufacturers and supplied to trade professionals across the UK.

