Roof Flashing Installation Instructions

1. Select appropriate size flashing for each vent pipe       *CAUTION:
    through roof. Seal the underside of the flashing as      Do not use petroleum base mastics, sealing
    shown below.                                             compounds or paint on flexible collar
                                                             portion or on plastic base of hard plastic
2. Install flexible collar* over pipe.                       base and all flexible roof flashings.

3. Push down until base lies flush on rooftop.               COLLAR HEAT RATING:
                                                             · 180°F continuously
4. Nail flashing only where future courses of shingles will  · 225°F intermittently up to 30 minutes
    cover.

5. Shingle around the bubble of the flashing (cutting
    where necessary so all shingles are flat on the roof ).
    The shingles should be installed at least halfway down
    the flashing base so there are no exposed nail heads.

         Underside
         of flashing

sealant


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