Thompson's Clear Water Seal Masonry Protector for Brick Concrete Stone - Invisible Exterior Waterproofing Solution - Stops Damp & Freeze Thaw Damage (Clear, 5L)

Invisible Hydrophobic Protection: Utilises advanced hydrophobic technology to create a long-lasting, invisible barrier against rain and water damage, preserving the natural look of your exterior surfaces. Deep Penetrating Formula: Unique formulation penetrates deep into the surface, ensuring the waterproofing protection continues to work effectively long after the initial water beading may have disappeared. Prevents Freeze-Thaw Damage: Essential for UK weatherproofing, this deep-sealing action dramatically reduces water absorption, stopping destructive freeze-thaw cracking on porous masonry and concrete. Multi-Surface Compatibility: High-performance clear sealer suitable for use on a wide range of popular exterior materials, including brickwork, concrete, natural stone, and masonry walls. Fast-Acting & Easy Application: Apply directly onto damp or dry surfaces with a brush or roller; the treatment is rainproof and dries in just 2 hours, offering rapid, high-level outdoor protection.