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Do architectural shingles really work with step flashing?

April 26, 2017architectural DIY flashing forum Home home improvement Repair Shingles step

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Do architectural shingles really work with step flashing?

1 Answer

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10 Posted

I have been trying to learn more and more about roofing. Can someone explain how architectural shingles will work with step flashing? I understand its function with 3 tabs. The tar strip is right above the tab cut outs on top on 3 tabs. This means the tar strip will come in contact with the bottom of the flashing. It can then direct water away from the chimney. With architectural shingles, the tar strip is on the bottom at the butt end of the shingle. It seems like water could get trapped between the flashing and underneath the shingle. The shingle would seal itself to the flashing.