"This product is great as a 'belt and braces' guarantee of weatherproofing. Where it's going to be hidden by something else, and you don't need to worry about making it too tidy, I've stuck it onto a number of places to make absolutely sure of no moisture penetration. I've mostly used it under lead flashings, to cover joins in secret gutters, when forming my rooflight kerb etc etc.
It's a nice easy product to use as you can just stick it on and it's doing the job straight away. Applying a little heat helps it to really bond to what you're sticking it to but it's not always/really necessary as it's already sticky enough - especially when used with primer."
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Review 4 for Flashband Bostik Flashband Flashband Grey 10m x 225mm
"Used this extensively in renovation of old bargeboards and exposed joist ends in an old property. The primer goes on easily, dries quickly, and this flashband adheres beautifully, and is of course much easier to work than lead. One point to be aware of: it can be difficult to cut and "wrap" easily when it gets too warm. In sunny conditions, keep it in the shade, as once the sun gets on it the bitumen sticks to your tools and becomes a right mess. When it's kept cool, it cuts and works more crisply."