Step Flashing Attached To Roof Or Wall

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Step 1 choose what kind of metal flashing you need.

Step flashing attached to roof or wall.

The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. Most flashing is 8 inches wide. Riley explains its easy to do when it comes to new construction.

The flashing extends up the wall at least 4. The shingle s weather exposure is 5. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Step flashings on a cedar shake roof are typically installed every 10 inches.

This can be under shingles or over metal roofing material. Ensure it sits flat and extends at least 8 inches above the shingles. You have to first decide what size of flashing you will use. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.

Flashing joints are lapped 6 in the direction of water flow. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Step flashing redirects the water back onto the shingle.

The metal flashing is formed with a hook edge and cleated on 12 centers. Now install the base flashing. Nail it in place with two nails one. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

While 8 inch flashing usually works well for most purposes you might want to use another size. Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. Hammer one nail to the. Step 2 install base flashing.

Garage or additions that are attached to a second level area and also installed around skylights and around and up chimneys where it becomes overlapped by counter flashing. Riley shows his way the only way how to install step flashing. Then set the piece down. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.

This includes dormers one story attached sections of the house e g. Riley says most roofers use. The new step cannot be inserted up behind the stucco and house wrap because the weep screen at the bottom of the stucco is attached to the wall with nails. However in most instances step flashing should be installed behind siding.

Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof. How to install step flashing with a wall corner step three. Here s how to install it correctly. Bend it back so that it overlaps the corner flashing.

Epdm flashing tape with a butyl adhesive backing will help.

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