Tough paint, clean conscience
Clear matt waterproof sealer for decking, fences, sheds and garden furniture. Siramico Wood Sealer uses ECO resin sealer technology to form an invisible waterproof barrier that keeps timber dry, reducing warping, swelling and shrinkage. It protects new and aged wood, inside and out, without changing its colour. Made in Britain.
✓ Covers 10m² per litre✓ Clear matt finish✓ Dry in 1–2 hours✓ Up to 10 years✓ Made in Britain
Why customers choose it
- ✔️ Keeps the natural look: clear matt finish with no glossy film or colour change
- ✔️ Waterproof barrier: repels water to reduce warping, swelling and shrinkage
- ✔️ UV resistant: prevents UV and water degradation
- ✔️ New & aged wood: excellent adhesion to bare, weathered or stained timber
- ✔️ Anti-mould & fungal: helps protect wood from rot and growth
- ✔️ Fast drying: dry in 1–2 hours with a simple two-coat application
- ✔️ Safer to use: ECO resin, no VOC, low odour and non-toxic
Perfect for
- Decking
- Fences
- Sheds
- Garden furniture
- Summer houses
- Cladding
- Pergolas
- Interior timber
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 or weathered timber uses more
- Supplied in 5 Litres
| Area |
You'll need (2 coats) |
| Garden furniture set or small shed (up to 25m²) |
5 Litres |
| Large shed or summer house (25–50m²) |
2 × 5 Litres |
| Decking or a run of fencing (50–75m²) |
3 × 5 Litres |
| Large decking or fencing (75–100m²) |
4 × 5 Litres |
Tip: two coats create the strongest water-resistant seal.
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, working along the grain.
-
Second coat: apply the second coat once the first is dry. Fully dry in 1–2 hours.
Frequently asked questions
What wood can I use it on?+
All types of wood, new or aged, including pine, cedar, redwood and painted or stained timber, inside and out.
How much do I need?+
Up to 10m² per litre per coat. Two coats are recommended.
Will it change the colour of the wood?+
No. It dries to a clear matt finish with no glossy film.
Can I use it over wood stain?+
Yes. Apply it to bare wood or over wood stain.
How long does it take to dry?+
1–2 hours, depending on temperature and humidity.
How long does it last?+
Up to 10 years of outdoor protection, depending on exposure.
Is it safe to use?+
Yes. It's water based, with no VOC, low odour and a non-toxic formula.
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.
