How To Install Lead Flashing On A Pitched Roof

Do this for all 1 5mtr lengths.

How to install lead flashing on a pitched roof.

Begin by removing the shingles at the affected area and removing old flashing if present. The most common method of fixing lead flashings is to make a lead bung also known as a lead chock. Cut lead sheets to the regulation required length of 1 5mtr on the ground. 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.

Fixing of lead sheet flashings fixings to abutment walls. Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt. Measuring lead roof flashing for a pitched roof. If a pitched roof is abutting a wall there are three measurements required when cutting and bending the lead work.

Fasten loose nails and cover exposed nail heads with roofing cement. Accurately predicting the performance of a roofing material initially. It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling. Dress the lead to the required angle with a lead beater.

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. Recaulk the joints between the roof and the flashing. Shape the lead flashing. It may be quite a labor but it pays off with a strong roof.

To fit the lead flashing onto the roof lead dressing tools can be used. Now cut a piece of milled lead to around 1 2m long with the measured distance as the width of the lead. Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing. Any longer than 1 2 metres long and the lead will be harder to shape and more likely to split over time.