How to Do Woven Roofing Valleys
Valleys are one of the greatest challenges when laying shingles on a roof. A roofing valley is a junction between two planes of the roof. This junction carries water off the roof and allows it to run into the gutter. The large amount of water runoff that valleys experience puts them at risk for leakage if you lay the shingles improperly. Weaving shingles over a roofing valley completely covers it, creating a waterproof barrier for runoff to flow over. Does this Spark an idea?
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Instructions
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Lay an ice and water shield through the roofing valley and finish shingling the adjacent planes of the roof surrounding the valley. Weaving is easiest to do on a hot day when your shingles are pliable.
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Start at the bottom of the valley and work up. Lay the first shingle from the right side plane of the roof into the valley and secure with two nails. Cut away the top corner of the shingle lying on the opposing plane of the roof.
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Lay the second shingle from the left side plane of the roof, into the valley, working upward. Secure the shingle with two nails and trim away the top corner, lying on the opposing plane of the roof.
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Repeat the weaving process until you have covered the roofing valley completely.
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Tips & Warnings
When weaving, make sure each shingle overlaps at least half of the previous shingle's surface area for a watertight seal.
References
- Photo Credit Jupiterimages/Photos.com/Getty Images
