Cleaners & Sealers

Larsen Algicide Concentrate 5L is a clear liquid chemical algaecide and fungicide. It is a highly concentrated surface biocide for killing green and red algae, black moulds, fungal growth on internal and external surfaces. Ideal for use on render, concrete, masonry, bitmac, paths, and patios in your garden. Available in 1L, 2.5L and 5L.

Larsen Brick & Patio Cleaner is a strong, fast acting, acid (11-12%) based liquid for dissolving cement and mortar stains from brickwork, blockwork and paving. Also suitable for removing staining caused by some efflorescence and limebloom.

Larsen Water Repel 5L is a ready-to-use, solvent-based, masonry water-repellent. It is ideal for use on standard building materials like brickwork, concrete and wood, and will also help to prevent water damage to stonework.

Thompsons One Coat Patio & Block Paving Seal will seal and protect patios and block paving from the weather. This will resist algae growth and provide protection against oil and fuel stains in just one coat. Available in a five litre container.

Thompsons Water Seal uses a unique micro silicone emulsion to stop water penetration and damage caused by freezing and thawing. This can be applied to damp surfaces and dries in two hours.

Everbuild Patio Wizard is a new type of mould and algae treatment that kills and cleans all type of green growth, without the need for any washing off, scrubbing, or pressure washing.

Ronseal Decking Cleaner and Reviver is ideal for cleaning old decking and preparing new wood. Great to use as a general cleaner, brightening and enhancing your deck all season long. It removes mould and algae and is suitable for all types of decking. Available in 5lt.

Thompsons Advanced Patio & Block Paving Cleaner will revive your patio and block paving whilst protecting it from algae growth for up to 6 months.

Thompsons Patio & Block Paving Seal protects and seals patios from the weather in just one hour. The powerful formula will also resist algae growth and protect against oil and fuel spills. Available in Natural, Satin Coat or Wet look finish.