How To Repair Shingle Roof Valleys

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

How to repair shingle roof valleys.

Use two roofing nails per shingle. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. Tension also is created in shingles when they are nailed too close to the roof valleys and this stress results in premature wear and cracking causing speedy aging of and failure of the shingles. 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. Then starting at the base of the. Clear any debris in the roof valley and surrounding area. Replace cracked broken or rotted shingles with the new ones you purchased.

This repair process is also the same for composition and tile roofs. Cut each side of the flashing at the lower end to conform with the corresponding edges of the roof using sheet metal. Move to the highest end of the valley and work your way down cleaning. To secure the roof valley flashing nail it down carefully.

Place the new piece of sheet metal valley flashing in the valley with the raised center aligned with the center of. Only nail at the edges with only enough nails to. 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.

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.