Long-Lasting Water Repellent for Brick, Stone & Masonry Sovereign Weather-Chek Façade Cream is a high-performance, one-coat treatment formulated to protect porous masonry surfaces from water ingress, damp penetration, and freeze-thaw damage. Its silane/siloxane-based cream formula penetrates deeply and cures to form a breathable, clear barrier — all without altering the appearance of the surface. Ideal for brick, stone, concrete, render and mortar joints, Weather-Chek improves thermal efficiency, reduces heat loss, and guards against the damaging effects of moisture — including algae, mould, and salt bloom. Key Benefits One-coat paste formula – no drips or overspray, reduces labour and mess Covers 20–40 m² per 5 L – efficient coverage depending on porosity Improves thermal performance – reduces heat loss through masonry Protects against: Penetrating damp Freeze/thaw damage Mould, algae and fungal growth Salt bloom and dirt build-up Dries clear – preserves the natural look of walls UV-stable, breathable and long-lasting – effective for up to 25 years Easy to apply with brush, roller or low-pressure spray Product Details Pack Sizes: 5L & 25L Coverage: Approx. 4–8 m² per litre (20–40 m² per 5L) Application: External use on clean, dry surfaces Substrates: Suitable for porous brick, stone, render, concrete, and mortar Finish: Dries clear; does not alter surface appearance Safety & Application Notes Apply in dry conditions with no rain forecast for 24 hours Not suitable for sealed, painted, or non-porous surfaces Wear appropriate PPE — gloves and eye protection recommended Consult the Safety Data Sheet (SDS) before use Ideal For: External brick or stone walls Heritage or listed properties Weatherproofing during renovations or maintenance Preventative damp control in exposed or coastal locations
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