Tough paint, clean conscience
Clear acrylic sealer, preservative and rot treatment for outdoor wood. Siramico Acrylic Waterproofing Wood Sealer combines a sealer, preservative, rot treatment and waterproofer in one. It forms a durable barrier against rain, frost and UV, and dries virtually invisible with a soft natural sheen that keeps the colour and grain of your timber. Made in Britain.
✓ 4-in-1 protection✓ Clear soft sheen✓ Over 10 years✓ Softwood & hardwood✓ Made in Britain
Why customers choose it
- ✔️ 4-in-1 protection: sealer, preservative, rot treatment and waterproofer in one
- ✔️ Seals end grain: ideal for cut ends and joints where water gets in first
- ✔️ Weatherproof for over 10 years: durable barrier against rain, frost and UV
- ✔️ Mould & algae resistant: helps prevent fungal growth, decay and staining
- ✔️ Invisible finish: dries clear with a soft natural sheen, keeping the wood's colour and grain
- ✔️ Softwood & hardwood: suitable for all exterior timber
- ✔️ Fast drying: apply by brush, roller or sprayer
Perfect for
- Decking
- Fences
- Sheds
- Garden furniture
- End grain & cut timber
- Posts & sleepers
- Pergolas
- Gates
Which wood sealer do I need?
|
Shed & Fence Eco Wood Sealer |
Wood Sealer |
Acrylic Waterproofing Wood Sealer |
Multi-Surface Water Sealer |
| Best for |
Sheds, fences and garden structures |
Interior and exterior wood, new or aged |
Preserving and rot-proofing outdoor timber, end grain |
Wood plus brick, stone and concrete |
| Finish |
Clear matt, non-yellowing |
Clear matt |
Clear, soft natural sheen |
Clear, invisible |
| Coverage |
Up to 12m² per litre |
Up to 10m² per litre |
Up to 10m² per litre |
About 6m² per litre |
| Sizes |
1L & 5L |
5L |
5L |
5L |
| Price (5L) |
£29.99 |
£29.99 |
£39.99 |
£22.99 |
How much do I need?
-
Coverage: up to 10m² per litre per coat (50m² per 5L)
- Rough-sawn timber and end grain absorb more
- Supplied in 5 Litres
| Job |
Recommended |
| New or bare timber |
2 coats |
| End grain and cut ends |
Saturate until no more is absorbed |
| Decking and fences |
2 coats, working along the grain |
| Annual maintenance |
1 refresher coat on worn areas |
Tip: seal cut ends and end grain first, as that's where water gets in.
How to apply in 3 steps
-
Prepare: make sure the wood is clean, dry and free from dirt, mould and flaking finish.
-
Apply: apply an even coat by brush, roller or sprayer, saturating end grain.
-
Second coat: once dry, apply a second coat for full weatherproof protection.
Frequently asked questions
What wood can I use it on?+
All exterior softwoods and hardwoods, including decking, fencing, sheds and garden furniture.
Does it treat rot?+
Yes. It's a sealer, preservative and rot treatment in one, and blocks moisture to reduce decay.
Will it change the look of the wood?+
No. It dries virtually invisible with a soft natural sheen.
How long does it last?+
Over 10 years of weather resistance, depending on exposure.
Can I seal end grain with it?+
Yes. It's ideal for end grain and cut ends.
How do I apply it?+
By brush, roller or sprayer. Two coats are recommended.
Which wood sealer should I choose?+
See the comparison table above.
How fast is delivery?+
Free next-day UK delivery on orders placed before the daily cut-off.
