
Fence & Decking Brightener
Revive the natural beauty of your outdoor woodwork with Brook & Bramble Fence & Decking Brightener — a professional-grade formula designed to lift away algae, moss, mould, and weathering from timber and composite surfaces.
Using a high-strength chlorine-based blend, this cleaner breaks down organic buildup and restores brightness to dull, grey wood with minimal effort. Whether you're refreshing garden fences or preparing decking for oiling or staining, our fast-acting solution brings tired surfaces back to life.

Bring Back the Warmth of Weathered Wood.
Sun, rain, and time can leave wood greyed and tired. Our Fence & Decking Brightener is made to gently revive natural tones without stripping or bleaching. Ideal for fences, decking, and outdoor furniture, it restores balance to timber — brightening the grain while keeping its character intact.
- Timber and composite decking
- Garden fences and wooden gates
- Outdoor cladding, sheds, and pergolas
- Pre-treatment before staining or sealing
Removes algae, moss, mildew, and lichen stains from wood and composites
Restores natural colour to weathered timber
Fast-acting formula – visible results in 30–60 minutes
Reduces slippery biofilm and improves surface safety
No scrubbing required for most applications
- Dilute 1 part product with up to 4 parts water for general use. Use neat on stubborn growth or stains.
- Apply with a sprayer, watering can, or brush. Ensure even coverage.
- Leave for 30–60 minutes. Do not allow surface to dry while the product is active.
- Rinse thoroughly with clean water. A pressure washer may enhance results.
- Repeat as necessary, then allow to dry before applying any finishes.
Wear gloves and eye protection during use.
Avoid contact with plants, grass, and ponds — rinse thoroughly if spilled.
Not suitable for painted or sealed wood unless refinishing.
Store upright in a cool, dark place, away from children and pets.