Installing Lead Flashing On A Roof

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.

Installing lead flashing on a roof.

26 gage 0 019 inches 0 5 mm corrosion resistant sheet metal and shall extend 10 inches 254 mm from the centerline each way for roofs having slopes less than 12 units vertical in 12 units horizontal 100 percent slope and 7 inches 178 mm from the centerline each way for slopes of 12 units. Most flashing is 8 inches wide. Cut lead sheets to the regulation required length of 1 5mtr on the ground. The most common method of fixing lead flashings is to make a lead bung also known as a lead chock.

If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. This is made by rolling up a 25mm or less strip of lead into an oval shape just wider than the mortar chase you are fixing and then driving it below the surface of the bricks to form a wedge. Having taken the measurements on the roof of the required folds in the lead to fit the job being done using a length of timber mark out the lead along the width of the roll to fold it.

Step flashing on roof peak. Typically flashing is installed using roofing nails and roofing cement. In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation. If the flashing is loose cracked or worn it can lead to leaks and cause damage to your roof and home in los angeles ca.

One common method is to lay the edge metal under the eaves membrane and over the rake. Roof flashing shall be not less than no. Improper installation can also contribute to issues with roof flashing. Details concrete masonry roofing wrb flashing.

4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Roof shingle over step flashing. Two ways to flash roof edges. Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. How to fix lead flashings.