Tough paint, clear conscience
Stop roof leaks fast with one thick, heavy-duty coat. Leak-Stop™ instantly seals damaged and leaking felt, bitumen, garage and shed roofs. It's flexible, needs no primer, and is ready for emergency repairs. Made in Britain.
✓ Instant leak seal✓ One coat✓ No primer✓ Weatherproof in 1 hour✓ Made in Britain
Why customers choose it
- ✔️ Instant leak sealing: seals damaged and leaking roofs straight away
- ✔️ Thick, heavy-duty coating: a tough, durable seal that stops water getting in
- ✔️ One coat, no primer: fast, hassle-free repairs
- ✔️ Flexible: moves with the surface to prevent cracking and splitting
- ✔️ Exceptional adhesion: bonds to most common roofing and building surfaces
- ✔️ Emergency ready: ideal for rapid repairs in wet or exposed areas
Perfect for
- Felt & bitumen roofs
- Garage roofs
- Shed roofs
- Flat roofs
- Gutters
- Flashing & joints
- Concrete & brick
- Slate, tiles & metal
Colour: Grey
Grey matches most felt, concrete and slate-grey roofs. Also available in Grey, Black and Clear.
How much do I need?
-
Coverage: about 1m² per litre in one thick coat
- Available in 500ml, 1 Litre, 2.5 Litres and 5 Litres
| Repair |
Size |
| Small crack, joint or flashing (up to 0.5m²) |
500ml |
| Skylight, vent or patch (up to 1m²) |
1 Litre |
| Shed or garage roof repairs (up to 2.5m²) |
2.5 Litres |
| Larger roofs (up to 5m²) |
5 Litres |
Tip: buying a larger tin costs less per litre. The 2.5 Litre works out at about £16 per litre.
How to apply in 3 steps
-
Prepare: remove dirt, moss and loose material, and wipe the area as dry as possible.
-
Apply: stir well, then apply in a thick coat with a brush or roller, working well over the damaged area.
-
Dry: weather resistant after about 1 hour and dry in 1–2 hours. One coat is enough for most repairs.
Frequently asked questions
Will it work on a leak right now?+
Yes. It's designed for urgent and emergency leak repairs. Wipe the area as dry as you can, then apply a thick coat over the leak.
Do I need a primer?+
No. It's a one-coat, no-primer system. Apply straight from the tin.
What can I use it on?+
Felt, bitumen, concrete, brick, slate, tiles, metal, asphalt and more, on garages, sheds, flat roofs, gutters and flashing.
How much do I need?+
Coverage is about 1m² per litre. Apply it thickly for the best seal.
How long does it take to dry?+
It's weather resistant after about 1 hour and dries in 1–2 hours per coat.
Will it crack?+
No. Its superior flexibility lets it move with the surface, which helps prevent cracking, splitting and future leaks.
Which colour should I choose?+
Grey matches most felt, concrete and slate-grey roofs. Leak-Stop also comes in Grey, Black and Clear.
What's the difference between Leak-Stop and Liquid Rubber?+
Leak-Stop is a thick, heavy-duty coating for fixing leaks fast on specific spots. Liquid Rubber is a one-coat membrane for waterproofing whole roofs.
How fast is delivery?+
Free next-day UK delivery on orders placed before the daily cut-off.
