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I’m about to repair a leaking roof valley. The intersecting slopes are 4/12 & 5/12. Someone has already poured tar all over the valley, making for a nasty job. Any tips on stitching-in the new shingles without ripping too much? It’s a typical asphalt shingle roof, 4″ exposure, over tar paper & plywood with a plumbing vent no more than 4″ off the valley.
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Well that can explain the leak. 4" off the valley is not a good place for a pipe vent. 1st I would move it. As for the shingles you will use a flat bar to get the nails out then remove the shingles. It will take a few nails to get the hang of it but its pretty easy. Install Ice and water shield in the vally before reinstalling.
*Can you see where it is actually leaking? If the tar is covering the leaky spot, you have a heck of a job to do and will probably have to reroof the entire valley. Don't waste time trying to save every shingle. Start at the top and work your way down. As Ron says you will get the hang of it. Work on a cool and cloudy day or the shingles will be stuck together and your feet will tear them up. Good luck.
*Well, given the location of the vent pipe, I was pretty sure that was the source of the leak. The problem is, as I uncovered the shingles along the valley, I found small areas of accumulated water between the layers of shingles all the way up the valley. Your tips will definitely be helpful in ripping the valley. Thanks for your help.
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I'm about to repair a leaking roof valley. The intersecting slopes are 4/12 & 5/12. Someone has already poured tar all over the valley, making for a nasty job. Any tips on stitching-in the new shingles without ripping too much? It's a typical asphalt shingle roof, 4" exposure, over tar paper & plywood with a plumbing vent no more than 4" off the valley.