Recent content by bb48

Our flat roof balcony, about 9 metres x 6 metres above a ground floor shop, is asphalted with promenade tiles. There are some water leakage issues into the shop below. We are also keen to know that the support structure has not deteriorated in any way and is still sound for continued use of...

Our black plastic down-pipe has moss growing from three leaking areas near the joints. Please advise the likely causes and how it should be repaired. I have added a photo of each of the 3 joints. Many thanks.

Three photos of the leaking joints and the moss.

Thank you Bazbee. Your recommendation sounds interesting for me. As regards the possibility of rotten timber underneath, it is probably best to eliminate that possibility first before my repairs. I will ask the shop underneath to check to see if his ceiling is showing any signs of it.

Are you suggesting removal of the existing cap sheet and to have a new lead box gutter? Due to the cost restraints of having a 6 metres long replacement lead box gutter by a professional in London, I may have to look for alternatives. Most probably, lead would look nice and last a very long...

Here are my pictures of the box gutter. I think it is asphalt. I am concerned about the bubbles - not knowing the reasons that might have caused it to go like that.

Here are my pictures of the box gutter. I think it is asphalt. I am concerned about the bubbles - not knowing the reasons that might have caused it to go like that.

Our rear flat roof asphalt box gutter has slipped and is rippled in places. It has bubbles. Any ideas, why I have this situation? What can I do to make it all smooth and sound again? I would appreciate your advice.