Professional Liquid Waterproofing

Our liquid waterproofing products are trade-grade systems from Soprema (Alsan), Kemper System, and Sika — trusted by contractors and specifiers for long-lasting flat roof protection.  These are professional systems with 20+ year durability and manufacturer warranties, starting from £400+ per kit.

Which system do I need?

  • Alsan

    Fast-curing PMMA system, flexible in cold weather. Ideal for roofs & balconies.

    Prices from £60/m².

  • Kemperol

    Solvent-free, cold-applied resin. Perfect for complex details & sensitive sites (odourless).

    Prices from £65/m².

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