Concrete Siding Metal Flashing

A common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint.

Concrete siding metal flashing.

On a wall to be covered with wood cement board vinyl or metal. There should be no nails below the area covered by the flashing tape. But the j cap also creates a consistent line. The flashing tape runs over the top of the metal flashing and is bonded on its upper half to the wall sheathing and lower half to the metal flashing.

Junction flashing belt hanger. Install the kickout flashing. All the wood materials that are going to be behind the concrete should be pressure treated lumber and properly flashed behind the concrete with metal flashings that will last forever these metal flashings should be over a foundation grade rubber membrane. The user friendly polyethylene flashing system is perfect for both residential and commercial siding applications.

The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall. At left you can see that the peel off paper exposes a nice and gooey sticky surface of the flashing tape. The slip fit positioning lip insures quick and. At flashing by design we specialize in quality custom flashing for all types of fiber cement siding including color matched custom flashing for james hardie colorplus products lp smartside products and tamlyn xtreme products.

In the old days this flashing would have been done with sheet metal but the alkaline nature of concrete can accelerate corrosion of metals like galvanized steel and aluminum. The jointflash advantage jointflash is a safe and economical solution for flashing both fiber cement and wood lap siding. I like to use a two layer flashing system. Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90 degrees with each side at least 5 inches wide.

Junction flashing is made of 0 015 primed aluminum with an epoxy backer to protect from corrosion. First a layer of self adhering waterproof membrane applied over the sheathing then a cover sheet of plastic pvc flashing. Kickout flashing installs just like standard step flashing except that half of the kickout flashing hangs over the edge of the roof. Using a metal j flashing between these types of transitions provides a barrier between siding and transitions that protects against water intrusion.