Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.
Repair where two roofs meet.
Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes.
The valleys on many older houses comprise layers of roofing paper which.
Place the 2 by 4 inch piece of lumber along the center of the flashing.
I tried tarring the roof where the pitch change occurs but the leaks came back.
Position the flashing between the two roof pitches.
How to repair valleys on a roof.
Fortunately you can mend minor issues without the help of a professional.
Leaks tend to develop near a chimney venting pipe screw or satellite dish or in a valley where two different roof pitches meet koch says.
Install valley battens on both ends of the roof valley then attach first flashing 3 4 inches over the roof flange and another 3 4 inches over the fascia if any is present.
To locate a leak your roofer will get on the.
Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter.
Now nail this first flashing at both its far ends.
This should cover the most leak prone areas.
So now i need to do something more drastic.
I built an addition to my garage two years ago and i have some serious leaks now.
Remember to caulk the underside of the flashing with a sealant.
To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition.
This should cover the most leak prone areas.
At the low end of the valley the subfascias of the two roofs are mitered with a block filling in the roof framing.
The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in.
Part of a roof s frame a ridge board runs horizontally along the peak of a sloped roof.
Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter.
The ridge is the peak where two sloped roof sections meet.
Essentially the spine of a conventional stick framed roof the ridge board is sandwiched between the meeting ends of the roof rafters.
If leaks continue to occur from ice dams consider installing roof edge heating cables.
I assume that is where the water gets in.
How to repair a leaking roof.
The roof is literally at the top of any homeowner s maintenance list and they re subject to lots of wear and tear.
Then it will run down a rafter a ways before dripping down.
Slide the right edge of the flashing under the highest roof pitch.