Tough paint, clear conscience
Stop leaks fast with a seamless, flexible rubber seal in just one coat. Premium liquid rubber waterproofing for flat and pitched roofs. It's ready to use straight from the tin and made in Britain.
✓ One coat✓ No primer needed✓ Up to 10 years✓ Rainproof in 1 hour✓ Made in UK
Why customers choose it
- ✔️ Instant one-coat waterproofing: a tough, seamless seal against leaks and water damage
- ✔️ Flexible rubber membrane: expands and contracts with the roof, so it resists cracking, splitting and peeling
- ✔️ Up to 10 years' protection, with a 10-year weather & UV resistance guarantee
- ✔️ Weather resistant in 1 hour, dries in 1–2 hours per coat
- ✔️ Ponding water defence: ideal for flat roofs where water collects
- ✔️ DIY friendly: apply by brush, roller or spray for a professional finish
Suitable roofs & surfaces
- Flat roofs
- Pitched roofs
- Felt
- Asphalt
- Concrete
- Brick
- GRP / fibreglass
- Metal
- OSB
- Domestic & commercial
Available colours
BlackGreyClear
How much do I need?
-
Coverage: about 1m² per litre, so one 5L tin covers about 5m²
- It's applied thickly to build a strong rubber membrane in one coat
| Roof size |
5L tins needed |
| Small repair (up to 5m²) |
1 tin |
| Shed or porch roof (5–10m²) |
2 tins |
| Garage roof (10–15m²) |
3 tins |
| Large flat roof (15–25m²) |
4–5 tins |
Buy more, save more: multi-buy discounts on 2+ tins, applied automatically at checkout
How to apply in 3 steps
-
Prepare: make sure the roof is clean, dry and free from dirt and loose material.
-
Apply: straight from the tin with a brush, roller or spray. No primer needed.
-
Dry: weather resistant after about 1 hour and dry in 1–2 hours.
Frequently asked questions
Do I need a primer?+
No. It's a one-coat system with no primer needed. Just make sure the roof is clean, dry and free from loose material.
Will one coat stop my leak?+
It forms a seamless, elastic rubber membrane in one coat. It's ideal for sealing leaks, cracks and joints and for protecting whole roofs.
How long does it last?+
It provides waterproofing for up to 10 years, with a 10-year weather & UV resistance guarantee.
How soon can it get rained on?+
It's weather resistant after about 1 hour and dries in 1–2 hours per coat. Apply on a dry day for best results.
What roofs can I use it on?+
Flat and pitched roofs, including asphalt, felt, concrete, brick, GRP/fibreglass, metal and OSB. It suits both domestic and commercial roofs.
Will it handle standing water?+
Yes. It's designed as a ponding-water defence sealant for flat roofs.
Which colour should I choose?+
Black and Grey give a solid, high-opacity finish. Clear seals the roof while keeping its existing look.
How fast is delivery?+
Free next-day delivery, Monday to Saturday, on orders placed before the daily cut-off.
