On Monday, 5 October 2020 23:55:59 UTC+1, alan_m wrote:
On 03/10/2020 22:12, Pamela wrote:
A short wall dividing two flat roofs absorbs rainwater, which leaks from
the brickwork into the roofspace below. The top and sides of the wall
were treated with bitumen paint which worked for a few years before water
got in again. This is the wall:

https://i.postimg.cc/sx1Q95B7/roof-wall-20201003-A.jpg

Would a quick run over with a blow touch re-melt the bitumen and reseal
any opened cracks?

just paint more on, filling any sizeable cracks first. For something that may last, paint, add cloth, paint, sprinkle with sand. The latter has at least some movement tolerance.


NT