

🛡️ Seal it, forget it – 10 years of leak-proof confidence!
Thompsons 10 Year Roof Seal Grey 1L is a high-performance resin-based roof coating designed to flex with natural roof movement, resist UV fading, and become rainproof within 6 hours. Offering superior coverage of 2m² per litre, it outperforms standard bitumen paints and provides a decade of reliable protection, making it a top choice for durable, hassle-free roof maintenance.





| ASIN | B00LXM1WZQ |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 60,950 in DIY & Tools ( See Top 100 in DIY & Tools ) 25 in Roof Coatings & Paints |
| Colour | Grey |
| Coverage | 2m2 per Litre |
| Customer Reviews | 4.5 4.5 out of 5 stars (399) |
| Date First Available | 28 Aug. 2014 |
| Included Components | 1 Tin |
| Item Package Quantity | 1 |
| Item Weight | 900 g |
| Item model number | 30143 |
| Manufacturer | Sherwin-Williams |
| Material | Resin |
| Part Number | 30143 |
| Power Source | hand_powered |
| Product Dimensions | 11 x 11 x 12 cm; 900 g |
| Size | 1L |
A**R
Thompsons roof seal
Great sealer used on my shed
A**N
Stopped all the leaks and easy to apply
Have a garden shed with decaying felt roof which I had covered with repair strips to no avail. Leaks were everywhere and this paint was a desperate last move. Wiped the roof with washing up liquid to clean it. Applied two coats three months ago with firm brush - pure magic. Not a single leak. It also covers well. Applied in warm weather and it dried fast, in an hour or so. Could clean the brush with washing up liquid. What more can I say. Perfect.
J**M
As advertisex.
I put 1 coat on roof felt seams and it stopped the leak. When it stops raining long enough, I'll put a 2nd coat on. Easy to apply.
T**H
Works well to lengthen the life of shed roof
I’ve used this a few time for the shed roof - it’s think and holds well onto the felt and repairs areas if damage well. Difficult to clean the brush afterwards, but easy to apply and no leaks so far!
D**G
Better than expected
As long as you stir well before and during use, this product is absolutely brilliant. KEEP STIRRING! Will spread evenly and easily. Dries well and cures after 24 hours. Used on existing felt roof and wood trim and back door frame . brushes washed with warm water and soap, clean after a few rinses. Would recommend this product as long as you remember to stir.
A**T
good quality
grey colour, easy to paint, covers area of 7x3 feets well.
A**R
Trustworthy
Does what it says on the tin .
L**A
Good
Good stuff
Trustpilot
1 month ago
3 weeks ago