Open Roof Valley Repair

Basic roof valley repair for a temporary repair you may be able to use roofing cement to mend any cracks or leaks.

Open roof valley repair.

Cut corners and apply cement dub cut the top layer shingles see step 4 in open metal valley above. This valley flashing material can be manufactured from any metal that will resist the effects of weather acid rain and other contaminants. Clean surface of valley with wire brush. Inspect valley for holes all along joint.

For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. In comparison to a closed valley an open valley adds another layer of lining into the valley. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. Most valleys use either aluminum or copper.

But as mentioned this is only a short term solution and you ll eventually need to construct a new roof valley. Apply two beads of roofing cement to attach the top layer shingles to the bottom layer shingles. After the underlayment is placed a pre bent metal valley lining is installed. After the self adhering underlayment is installed across the valley a pre bent metal valley lining is installed.

Open roof valley this is almost the same as the closed roof valley method except a pre bent metal valley lining is installed instead of a secondary roof underlayment. Roofing shingles are installed then cut and sealed where they overlap the metal channel. Leave the entire area to settle into place and then check your roof for leaks the next time that it rains. Once the shingles are installed they don t run through the valley area.

For a do it yourself homeowner the job is easier with the help of an. This metal lining can be made of any type of metal that is resistant to the effects of weather acid rain or other contaminants. Take the asphalt which you had previously removed from the roof valley and lay it back into place. Repairing a roof valley involves removing some shingles and installing a sheet metal flashing from top to bottom in the valley.

This leaves a metal strip or line on the surface of the roof that serves as the valley line. The best way to do this is to install new metal flashing. The metal is usually pre painted to best complement the shingles color blend. Using different metal to patch valley will cause corrosion.

Also apply cement to attach the top layer shingles to each other see steps 5 and 6 in open metal valley above. Open valley when compared to a closed valley and open valley adds an additional layer of lining. You can patch small holes with the same type of sheet metal valley is made of.