Sometimes the water shows up at a ceiling spot distant from the leak.
Fixing roof valley leak.
Repairing a valley area on a shingle roof.
In other cases water can become trapped under shingles which have been overlaid to create the valley trough.
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.
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.
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.
How to repair a leaking roof.
Step 2 remove the shingles.
Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs.
Valleys on between two slanted roofs causes leaks very often.
How to find a leak in a roof may be the hardest part of fixing a leaky roof.
This is where two parts of the roof join.
In order to lay the flashing the shingles on the roof will have to be removed.
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.
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.
Most roofers know how to install shingles but many have no clue how to do a valley.
This video shows the full repair from removing leaded va.
The roof is literally at the top of any homeowner s maintenance list and they re subject to lots of wear and tear.
Some roof leaks are tough to locate.
Check the entire roof valley carefully to locate the source of these problems.
The sealants and roof pitch used can crack and chip away over time.
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.
We may not know how to spell but roofing we know best.
Fortunately you can mend minor issues without the help of a professional.
The only proper and sure way to fix your lead valleys is strip the tiles out either side and relead them.
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.
The materials they use in valleys are inferior.
If you have a roof leak it may well be through the valley.
