"This product is excellent, it is easier to apply than bitumen a bit like a good quality general household paint, the coverage is great and you can work it into cracks or seams/joins really well, I have used it before on a previous property's flat roof extension and never had any further problems, used again this time on a flat roof, looks good and does more than it says on the tin! well worth a buy."
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Review 3 for Thompsons 10 Year Roof Seal Black 4Ltr
"Just bought second can, Thompson`s Roof seal having had success with previous one. Easy to apply, I diluted it slightly; seems to have sealed my slightly porous felt. Easier than re-felting. 10 years ? - must wait and see."