How To Roof A Valley With Tin

In addition it is important to avoid nailing the shingles through the valley metal.

How to roof a valley with tin.

Failure to extend the entire width of the metal valley flashing beyond the eave of the roof. Metal roofing is also available in the form of shingles. When properly installed w valley flashing will reliably channel run. Avoid the following common errors.

Fasteners placed in the exposed center area. W valley flashing protects the critical area of your w valley flashing protects the critical area of your roof where two slopes come together to form a valley. Continue adding panels until the roof is covered. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley.

You may need to cut panels to fit angles using a circular saw with a metal saw blade. Shingle the other side of the valley the same way. Roof mastic applied along sides of valley flashing. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed.

Galvanized steel w valley flashing. Closed cut valley fully replaced with new metal valley flashing. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Punctures in the center of the valley.

Roof one side of the valley running the shingles across it. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. That flashing is left exposed so the roof has visible lines of metal running down the valley. Valley tin in roofing.

Stop nailing 6 inches from the center. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. How to seal metal roof valley. An open valley relies on metal flashing for protection.

Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Some homeowners do not like the look of open valleys while others feel the metal accentuates the roof s shape particularly if copper or painted flashing is used. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. With a clean valley you can lay down some peel and stick roofing membrane.

Fold the top over the roof ridge and cut the bottom along the drip edge metal.