Replace cracked broken or rotted shingles with the new ones you purchased.
How to repair shingle roof valleys.
High winds sometimes blow shingles away from the roof valley particularly if the edges of the shingles are not nailed in place because of shingle strain described above.
Follow these three preparatory steps to get ready to fix the valley leak.
Start at the lower end of the valley.
Cut each side of the flashing at the lower end to conform with the corresponding edges of the roof using sheet metal.
Place the new piece of sheet metal valley flashing in the valley with the raised center aligned with the center of.
Roofing nails instead should be a minimum of six to ten inches away from the seam to reduce the pressure on the roofing materials.
The roofer can either installed a closed valley or an open valley system.
Clear any debris in the roof valley and surrounding area.
Ensure ice and water protector has been installed along the valley first.
These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles.
Apart of shingle color and style shingle one of the main differences from roof to roof is the method the valleys are built.
There are two predominant ways valley are built in a shingle system.
Move to the highest end of the valley and work your way down cleaning.
Use two roofing nails per shingle.
Only nail at the edges with only enough nails to.
Make sure you duplicate the weave pattern of the existing roof.
Then starting at the base of the.
This repair process is also the same for composition and tile roofs.