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Old 02-07-2008, 07:39 AM   #1
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Flash this?

What is the best way to flash these front overhangs so minimal flashing will be seen? Also, what color flashing would you use. Tamko Natural Timber shingles.



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Old 02-07-2008, 09:00 AM   #2
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5" down, and whatever up is needed to hem into first mortar joint. And remove siding on the right to flash under it.


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Old 02-07-2008, 10:01 AM   #3
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They should sell pre-bent aliminum or galvanized flashings, called apron flashings or roof-to-wall flashings at a local roofing supply house. Try an ABC Supply, Shelter Distributing, Bradco, or Allied Building Materials in your area.

For the siding areas, you should be able to slide the top straight portion of the flashing behind it. For the brick areas, you can either do it the more correct way, by cutting in a rewglet joint in the horizontal brick joint as Tinner suggested, or surface mount the material to the exterior of the brick.

There is a corrosive reaction between masonry mortar and aluminum, sho to protect the aluminum, if that is what you choose to purchase, apply a small section of Grace Ice and Water Shield onto the brick surface prior to attaching the sheet metal flashings.

You will need a rotary hammer drill with a masonry diamond or carbide tipped drill bit to drill 1/4" diameter holes through the sheet metal and into the mortar joint. Then insert lead tap in masonry anchors, very gently, and then gently tap them into place to secure the flashings into the masonry wall.

Prior to getting the sheet metal completely flush with the wall, inject a continuous 1/4" bead of cualking behind the sheet metal, so that it creates a compression gasket seal behind the sheet metal. Then tap in the lead anchors the rest of the way and re-apply an additional bead of caulk on the surface of the top edge of the flashing.

I would just go with a basic Royal Brown stock color for the closest match.

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