Step Flashing Attached To Roof Or Wall

Riley says most roofers use.

Step flashing attached to roof or wall.

It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. Step 1 choose what kind of metal flashing you need. Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. 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.

Bend it back so that it overlaps the corner flashing. Most flashing is 8 inches wide. Nail it in place with two nails one. Now install the base flashing.

However in most instances step flashing should be installed behind siding. Step flashings on a cedar shake roof are typically installed every 10 inches. Step flashing redirects the water back onto the shingle. Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof.

Epdm flashing tape with a butyl adhesive backing will help. The shingle s weather exposure is 5. Then set the piece down. This includes dormers one story attached sections of the house e g.

Here s how to install it correctly. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. The new step flashing must extend up the wall a minimum of 4 and must be laced with each course of the new asphalt shingles. While 8 inch flashing usually works well for most purposes you might want to use another size.

Ensure it sits flat and extends at least 8 inches above the shingles. 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. Step 2 install base flashing. Flashing joints are lapped 6 in the direction of water flow.

It s crucial that step flashing be installed on all roof to wall transitions. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. The metal flashing is formed with a hook edge and cleated on 12 centers.

Riley explains its easy to do when it comes to new construction. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. This can be under shingles or over metal roofing material. You have to first decide what size of flashing you will use.

Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. How to install step flashing with a wall corner step three. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. The flashing extends up the wall at least 4.

Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.