Repairing Lead Roof Valley

Measure the width of the sheet metal valley flashing.

Repairing lead roof valley.

Re fit tiles or slate bed tiles back on to a c strips and point up job done. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. Welding lead uses a relatively cool flame and needs to be very precise. T o repair an open valley.

Move to the highest end of the valley and work your way down cleaning. Clear any debris in the roof valley and surrounding area. Remove tiles either side of valley remove lead inspect valley boards. Most commonly this is the technique that is used to fix a leaking bay roof window or flat lead roof but it can also be used in almost all leaks where a split or hole in the lead is the culprit.

You can patch small holes with the same type of sheet metal valley is made of. If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof. The use of heat is required. Using different metal to patch valley will cause corrosion.

Most valleys use either aluminum or copper. Clean surface of valley with wire brush. Follow these three preparatory steps to get ready to fix the valley leak. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary.

Typical valley flashing is 14 inches wide. Diy and trade repair this video on lead roof repair shows a long lasting repair for a lead roof. Apply a breathable felt over the valley board. Inspect valley for holes all along joint.

A diy way to repair splits and cracks in lead and lead flashing is to use something we call flash band trade name or sometimes it is also known as flashing tape. Fit code 5 lead in 1 5 m strips nailed one side to allow for expansion. Start at the upper row of shingles at the upper end of the. If you find that this is a problem then you will need to repair your roof valley before anything serious happens such as plaster loss or even major water damage.