The materials they use in valleys are inferior.
Fixing roof valley leak.
In other cases water can become trapped under shingles which have been overlaid to create the valley trough.
Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs.
Most roofers know how to install shingles but many have no clue how to do a valley.
Check the entire roof valley carefully to locate the source of these problems.
We may not know how to spell but roofing we know best.
So the valleys which is where the two planes of the roof come together in the v like shape for those that have no clue as to what we re talking about these valleys have are lined with metal flashing.
And the valleys are leaking real bad and i wondered if there s some way to repair that without having to tear the whole roof off again.
Step 2 remove the shingles.
The roof is literally at the top of any homeowner s maintenance list and they re subject to lots of wear and tear.
Roof valleys are channels designed to drain runoff water and like any other part of your roof they can degrade over time with exposure to the elements.
If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.
Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem.
How to find a leak in a roof may be the hardest part of fixing a leaky roof.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.
In order to lay the flashing the shingles on the roof will have to be removed.
How to repair a leaking roof.
Repairing a valley area on a shingle roof.
The sealants and roof pitch used can crack and chip away over time.
If you have a roof leak it may well be through the valley.
Sometimes the water shows up at a ceiling spot distant from the leak.
Check your lay boards are ok first and no rot lay building paper with new lead valleys retile back both sides if your tiles are bedded in cement in your valleys i tend to fit some asbestos free board cut to size dependent on overlap up the lead valley with the tiles bedded on this.
Valleys on between two slanted roofs causes leaks very often.
Fortunately you can mend minor issues without the help of a professional.
Though roof valleys are com mon leak sites on shingle roofs it s typically fairly easy to fix these problems with a little know how.
This is where two parts of the roof join.
The only proper and sure way to fix your lead valleys is strip the tiles out either side and relead them.
Finding the actual spot where the roof leaks is difficult because water can enter the roof in one place and run down to another before it starts soaking into the ceiling.
