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EERE » BTO » Building America » Solution Center Home » Image Gallery » To avoid leakage if the hip or ridge shingles blow off, the underlayment should be lapped over the hip and ridge, unless there is a ridge vent.

To avoid leakage if the hip or ridge shingles blow off, the underlayment should be lapped over the hip and ridge, unless there is a ridge vent.

To avoid leakage if the hip or ridge shingles blow off, the underlayment should be lapped over the hip and ridge, unless there is a ridge vent.