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Roof valley installations
Anonymous user 28/02/2024 - 4.07 PM
We had a roofer round to replace our old valley with a new lead one due to leaks. However the leak hasn't stopped and looking at the photos, it looks as though he's used too much mortar? I read that valleys should work without mortar as they are laid under the tiles? Does this valley look like it's been laid correctly?
Are you a tradesperson and able to answer this question?
4 Answers
Rosewood Joinery and Building
Rating: 5 out of 5
All what you have said is correct probably lead too narrow
Answered24 July 2023
1
ADR Property Maintenance
Rating: 5 out of 5
Agree with the above leads not wide enough over cemented to try and compensate.get them ack to do it right
Good luck Alex
Answered24 July 2023
0
Anonymous user
the lead could not be wide enough minimum for valley code 4 /450mm
the problem could be solved if the edges are welted espesialy on shallow pitches plus if ther is felt it must go on to the lead
remove a couple of tiles and it
should be obvious
Answered27 July 2023
0
Anonymous user
Based on your description and concern about excessive mortar use, it is possible that the roofer may not have installed the valley correctly. Generally, valleys are designed to work without mortar and instead rely on the overlapping of roofing materials, such as tiles or shingles, to provide a watertight seal. Excessive mortar can create a barrier that prevents proper water flow and can potentially lead to leaks. It is recommended to have a professional roofer inspect the valley installation to determine if it has been laid correctly and to address any issues that may be causing the leaks.
Answered31 July 2023
0