How To Replace A Valley On A Roof

Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.

How to replace a valley on a roof.

Check the entire roof valley carefully to locate the source of these problems. If the roof valley itself needs to be ripped out and replaced then this will involve significantly more work and cost. This is where two parts of the roof join. Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem.

Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Repair a shingle roof valley leak in 6 easy steps prepare for the repair. As another benefit to the roofing professional open valleys are sometimes used to easily bridge the gap between roof faces of vastly different pitches. Stop nailing 6 inches from the center.

Step 2 remove the shingles. Repairing a roof valley involves removing some shingles and installing a sheet metal flashing from top to bottom in the valley. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. Assuming a typical size roof valley of up to 3 metres in length standard roof tiles and no access problems than it will usually take around half a day to replace the cement and simply re bed the existing valley into place but if you need the complete valley replaced then it will take a full day to complete the job.

A full valley replacement involves removing all the cemented tiles underfelt and some timber to the section. This video shows the full repair from removing leaded va. Follow these three preparatory steps to get ready to fix the valley leak. The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters.

For a do it yourself homeowner the job is easier with the help of. Tessaro also says that the open method allows for faster replacement and repair than the other techniques of shingling a roof valley. Clear any debris in the roof valley and surrounding area. Shingle the other side of the valley the same way.

If you have a roof leak it may well be through the valley.