Tough paint, clear conscience
One clear waterproofer for wood, brick, stone, concrete and painted surfaces. Siramico Multi-Surface Water Sealer uses smart ECO resin technology to waterproof almost any porous surface in one product, including timber. It helps prevent weathering, warping and rot, and dries clear. Made in Britain.
✓ Covers 30m² per 5L✓ Dries clear✓ Rainproof in 1 hour✓ Wood & masonry✓ Made in Britain
Why customers choose it
- ✔️ One product, many surfaces: wood, brick, stone, concrete and painted surfaces
- ✔️ Stops weathering & warping: helps protect timber from rot and moisture damage
- ✔️ Dries clear & invisible: keeps the natural look of the surface
- ✔️ Water-beading effect: advanced ECO resin creates a ducks-back finish that repels rain
- ✔️ Up to 10 years' protection: outstanding durability against adverse weather
- ✔️ Anti-mould & fungal: helps stop growth caused by damp
- ✔️ Fast drying: weather resistant after 1 hour, dry in 1–2 hours
- ✔️ Breathable: waterproof yet vapour permeable, so surfaces can breathe
- ✔️ Safer to use: water based, non-toxic, no odour, child and pet friendly
Perfect for
- Fences & sheds
- Decking
- Garden furniture
- Pergolas
- Brick walls
- Stone
- Concrete
- Painted surfaces
How much do I need?
-
Coverage: up to 30m² per 5 Litres (about 6m² per litre)
- Very porous surfaces use more
- Supplied in 5 Litres
| Area |
You'll need |
| Small project (up to 15m²) |
5 Litres, with spare for a second coat |
| Garden wall or medium area (up to 30m²) |
5 Litres |
| Large area (30–60m²) |
2 × 5 Litres |
| Whole house or very large areas (60–90m²) |
3 × 5 Litres |
Tip: apply a second coat on very porous surfaces for maximum protection.
How to apply in 3 steps
-
Prepare: clean the surface and remove dirt, moss and loose material. Let it dry fully.
-
Apply: apply evenly by spray, brush or roller until the surface is saturated, avoiding runs.
-
Dry: weather resistant after 1 hour and dry in 1–2 hours.
Frequently asked questions
What surfaces can I use it on?+
Wood, brick, stone, concrete and painted surfaces. For brick and masonry only, Premium Clear Water Sealer is the lower-cost option.
How much do I need?+
Up to 30m² per 5 Litres (about 6m² per litre). Very porous surfaces use more.
Will it change the look of the surface?+
No. It dries clear and invisible.
How long does it last?+
Up to 10 years of protection, depending on exposure.
How quickly is it rainproof?+
It's weather resistant after 1 hour and dry in 1–2 hours.
Is it breathable?+
Yes. It repels water while letting moisture vapour escape.
Is it safe to use?+
Yes. It's water based, non-toxic, no odour, and child and pet friendly.
How fast is delivery?+
Free next-day UK delivery on orders placed before the daily cut-off.
