Step Flashing For Roofing

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. The 7 inch length ensures a 2 inch headlap on each course. Galvanized sheet metal bent at a 90 degree angle i e.

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Install the step flashing before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.

Step flashing for roofing.

Jamsill guard sill pan flashing 4 5625 in x 40 in plastic step flashing. If this is a repair job the siding must also be removed and replaced with the flashing. The flashing material should be 4 inches by 7 inches in length when it lies on the roof deck. Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.

Second step flashing needs to extend 8 to 14 inches above the shingles according to the national roofing contractors association nrca. This flashing is typically field fabricated from a sheet of 26 ga. Truck tool rental. Step flashing protects the interface between a roof and a wall from water leaks that can cause hidden damage for years.

First step flashing must be installed before the siding so that the siding can cover the top of the flashing. Step flashing can be made with aluminum copper lead galvanized steel or. This membrane attaches up the side of the wall as well. Base flashing and step flashing the waterproof membrane laid down before the shingles forms the first layer called the base flashing.

Step flashing redirects the water back onto the shingle. Bent into an l shape. Roof flashing chimney flashing aluminum flashing roofing shingles 50 in. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.

Next l shaped pieces of metal typically aluminum are placed under each shingle that butts up against the vertical wall. Step flashing needs to turn up a minimum of three inches up the sidewall. Or greater step flashing aluminum step flashing. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.

Once complete the housewrap should overlap the step flashing that s applied to the wall. Item 831018 model 4916sp 30. Get free shipping on qualified step flashing or buy online pick up in store today in the building materials department.