Castle Composites Grassflex Grass-Topped Promenade Tiles.

Create a soft, durable and attractive surface for flat roofs, balconies, patios and terraces with Grassflex Rubber Tiles. Designed with a recycled rubber granulate base and topped with realistic artificial grass, these tiles offer the perfect combination of comfort, safety and long-lasting performance.

Grassflex tiles are engineered specifically for use over waterproofing membranes. Their soft rubber base prevents damage to the surface below, while underneath drainage channels and a water permeability rate of up to 250mm per hour (EN 1176) ensure efficient water movement through and away from the installation. This prevents ponding and helps maintain a clean, dry surface.

Each tile is supplied with interlocking pins that allow the tiles to be laid securely in a brick-bond formation. Once connected, they form a stable mat-like surface requiring only perimeter bonding (where no upstand exists), reducing the amount of adhesive needed and allowing easier inspection of the membrane beneath.

Whether you’re enhancing a balcony, creating a soft terrace area, or adding a safe surface over a flat roof, Grassflex tiles offer a robust, practical and visually appealing solution.

Key Features

• Artificial grass topped surface.
• Safe for use on waterproofing membranes.
• Manufactured from recycled rubber granulate.
• Excellent drainage with underside channels.
• Water permeable up to 250mm/hr (EN 1176).
• Supplied with interlocking pins for easy installation.
• Comfortable, durable and low-maintenance.
• Ideal for flat roofs, balconies, patios, terraces & walkways.

Product Specifications

• Tile Size: 500mm x 500mm.
• Thickness: 30mm.
• Coverage: 4 tiles per m².
• Finish: Recycled rubber with artificial grass top.
• Weight: 5kg per tile
• Fixings: Interlocking pins supplied.

A smart, safe and attractive alternative to loose artificial grass — designed to protect your waterproofing while delivering a great-looking, soft-touch surface for modern outdoor spaces.