How To Repair Shingle Roof Valleys

Ensure ice and water protector has been installed along the valley first.

How to repair shingle roof valleys. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. Apart of shingle color and style shingle one of the main differences from roof to roof is the method the valleys are built. Only nail at the edges with only enough nails to. Move to the highest end of the valley and work your way down cleaning.

The roofer can either installed a closed valley or an open valley system. Roofing nails instead should be a minimum of six to ten inches away from the seam to reduce the pressure on the roofing materials. 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. Then starting at the base of the.

Replace cracked broken or rotted shingles with the new ones you purchased. 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. Start at the lower end of the valley.

These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. This repair process is also the same for composition and tile roofs. Clear any debris in the roof valley and surrounding area. Follow these three preparatory steps to get ready to fix the valley leak.

Make sure you duplicate the weave pattern of the existing roof. Use two roofing nails per shingle.