Is this venting for bump out of room? Looks like venting material similar to ridge vent. It is lifting off roof with loose nails. Looks like they tried same thing on unheated three season porch also. Not needed there correct. They then covered with shingles. This has caused shingles to bend and crack.

Attached Images

	porchsbumproom.jpg (30.8 KB, 61 views)
	Roof.jpg (46.9 KB, 80 views)
	Roof1.jpg (57.6 KB, 67 views)
	Roof2.jpg (53.9 KB, 80 views)

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Dave

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