Metal Flashing

Flashing Coils from Klauer Mfg.

Metal flashing is an important part of any roofing system. Whether it is rolled or step flashing that protects your house from leaks where a roof joins a wall, edge metal that provides a finished look to your roof, or valley metal for use with heavier shingle products and wood shakes, metal flashing can mean the difference between a leaky roof and a beautiful, functional roof.

In-stock Edge Metal

Edge metal provides a finished look to your roof and provides a transition between your roofing shingles and siding products underneath. Gannon's carries several colors of edge metal in three different profiles and 10' lengths, in stock and ready for delivery.

Profile Type Use Stock Colors 5" D-Style Presents a transition from the sides of a gable roof to the siding product underneath. Offers a cleaner profile for roof edges where gutters are not present. White, Black, Terra Bronze, Brown, Clay Mist 6" D-Style Offers a transition from the sides of a gable roof to the siding product underneath. 6" D-style offers a longer downward span for projects that may require more coverage. White, Brown Gutter Apron A smaller profile over the roof edge and longer downward coverage is perfect for channeling water into a gutter and covering fascia boards between the roof and the top of the gutter. White, Black, Terra Bronze, Brown, Clay Mist Colors

Due to differences in computer monitors, these colors may not be completely accurate examples. They are provided as illustrations only. Please see your Gannon Roofing Supply representative for samples of the actual colors before selecting your edge metal.

Terra Bronze
Clay Mist

Aluminum Flashing

Flashing is used wherever a roof meets a wall, bent at an angle, part of the flashing is woven into the shingles, and part runs under the siding. Made of non-corroding aluminum, our flashing offers a seal between roofs and walls that will last as long as your roofing material, unlike roofing cements or rusty galvanized steel flashings.


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Lay person with questions about outdoor winter

I had a rodent get in my attic during winter weather. After extensive trapping and monitoring, the coast is clear, isolated incident with no babies or juveniles left behind. Next, the exclusion work--lots of hardware cloth, metal flashing, foams to seal possible entry ways.
The house is a cosmetically nice older house with some custom wood and hardiplank cementatious siding. Some of the areas around flashing will need to be sealed and painted.
Rain and cold weather has been in the forecast, but the handyman is swearing that won't effect the work

A few things to be careful with...

1. when cutting/removing siding, cut ONLY deep enough to remove siding
2. tuck flashing UNDER existing siding at bottom first, then sides lapping OVER the bottom piece, but hold off top piece for now.
Flashing material can be a bituthene. It can also be roofing felt. Or any asphalt-impregnated paper. Test by putting water on it -- if it beads and repells water, it's good to use.
3. caulk a GENEROUS bead on the edges of the opening before lifting window into place.
4. nail window fins with 2" roofing nails (square, plumb and shim as necessary)
5. tuck top flashing under top siding, OVER new window fin and side flashing

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