The Crommelin Rammed Earth Sealer is a clear, water‑based surface treatment formulated to penetrate and protect rammed earth walls and other porous masonry. Designed for both interior and exterior use, this high‑performance sealer binds friable surfaces and provides long‑lasting protection against moisture, UV exposure and everyday wear. Its durable, washable finish helps maintain the natural appearance of surfaces while improving water repellence and resistance to detergents and weathering.

Key Features

• Water‑based penetrating sealer that soaks deep into rammed earth for reliable protection.

• Binds friable, sandy surfaces to strengthen and stabilise earthen walls.

• Highly water repellent finish helps minimise moisture ingress.

• Excellent UV and weather resistance for exterior durability.

• Washable and easy to maintain surface that resists dirt and detergents.

• Suitable for interior and exterior use, including wet areas like kitchens and bathrooms.

• Natural matt to low sheen appearance preserves the look of rammed earth.

This sealer is ideal for rammed earth walls and porous surfaces where moisture protection and enhanced weatherability are needed without compromising the natural texture and colour. Use it to extend the life of earthen finishes and keep surfaces looking their best in both indoor and outdoor environments.