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Bostik One coat Grey Roof & gutter Sealant, 5L
Litre capacity (L)
- Roof & gutter
Features and benefits
This fibre-reinforced coating is designed to stop leaks by sealing and bridging cracks in conventional roof substrates such as old roofing felt, asphalt, bituminous roof coatings, cement and brickwork.
- Extends the life of a roof
- Can be applied to dry or damp substrates
- Excellent adhesion qualities
- Only 1 coat required
Health and safety
Please note that this item has additional safety or regulatory datasheets available. The product may have possible health and safety hazards covered in these documents. Refer to the container for full information and always follow the instructions.
|Drying time||2-3 days|
|Resistant to ultraviolet||UV resistant|
Wouldn't buy again
KPotty - 7 months ago
I used this on my 8 year old felt roof, not because it leaked but to enhance the look & life of it. I followed the instructions to the letter & was pleased with the result at 1st. However less than 8 months later the one coat roof seal has shrunk & cracked considerably. (See photos) I have been in contact Bostik & at 1st they had no explanation why this had happened but eventually blamed it
Bongo3761 - 8 months ago
Does not work at all. after applying it will not dry, even in dry weather. does not cure leaks when you can see no problem with your shed roof. Used a full tin on my 8x6 shed roof, utter garbage. Re felt time.
exxos - 9 months ago
No matter how much you shake and stir it, paint on thick or thin, it ends up with millions of tiny pin prick holes which let the water through. A second coat partly solved the leaks, we are now on the 3rd (which helped a bit more but still leaking) . It would have been quicker and cheaper just to replace all the felt. We went through 4 tins of the stuff overall, it just does not work.
Summer house slanting roof. Treatment
Anono - 11 months ago
Treated to reinforce my. Newish Felt roof on my summer house big timn 5 litres , used a 3 inch brush to be sure i got it in every bit . Was easy to apply , used glives and a good type of Face mask which meant i actually never smelt it ! Has its quite a potent smell . Now waiting for it to dry and hope no rain but i dont think it will wash it off :: ). can well recommend
thingybob - 1 year ago
This is a great product ,it is easy to apply,I used a 4 inch brush to apply it,it has glass fibre strands in it,so when it dries it's reinforced .