Open Roof Valley Repair

This metal lining can be made of any type of metal that is resistant to the effects of weather acid rain or other contaminants.

Open roof valley repair.

If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. Using different metal to patch valley will cause corrosion. Cut corners and apply cement dub cut the top layer shingles see step 4 in open metal valley above. Clean surface of valley with wire brush.

T o repair an open valley. Basic roof valley repair for a temporary repair you may be able to use roofing cement to mend any cracks or leaks. Repairing a roof valley involves removing some shingles and installing a sheet metal flashing from top to bottom in the valley. Inspect valley for holes all along joint.

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. Leave the entire area to settle into place and then check your roof for leaks the next time that it rains. After the self adhering underlayment is installed across the valley a pre bent metal valley lining is installed. You may need to use the hammer to push it back into place around the flashing but you can then just place the loose asphalt on the surface.

Open valley when compared to a closed valley and open valley adds an additional layer of lining. Most valleys use either aluminum or copper. For a do it yourself homeowner the job is easier with the help of an. You can patch small holes with the same type of sheet metal valley is made of.

This leaves a metal strip or line on the surface of the roof that serves as the valley line. The metal is usually pre painted to best complement the shingles color blend. Also apply cement to attach the top layer shingles to each other see steps 5 and 6 in open metal valley above. 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. For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. Once the shingles are installed they don t run through the valley area. Take the asphalt which you had previously removed from the roof valley and lay it back into place.

Roofing shingles are installed then cut and sealed where they overlap the metal channel. The best way to do this is to install new metal flashing. But as mentioned this is only a short term solution and you ll eventually need to construct a new roof valley.