Sovereign Hey'Di Barrier Mortar High-Performance Waterproof Repair Mortar 25kg GreenGuard Excellent adhesion

Excellent adhesion

Cotswold Stone Chippings are designed to enhance the beauty of your garden borders and landscaping projects

less powerful units

utilise a natural bristle brush

Sovereign Hey'Di Barrier Mortar High-Performance Waterproof Repair Mortar 25kg GreenGuard Excellent adhesionHydrophobic, Non Shrinking Mortar for Waterproofing & Tanking Junctions A high performance, cementitious repair mortar formulated to prevent water ingress at critical junctions. Designed for use as part of the Sovereign HeyDi Tanking System, it creates a durable fillet at wall wall and wall floor joints and can also be used for patch repairs. Its hydrophobic properties and high compressive strength ensure long term waterproofing without shrinkage or