How To Roof A Valley With Tin

However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed.

How to roof a valley with tin. Avoid the following common errors. When properly installed w valley flashing will reliably channel run. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.

Failure to extend the entire width of the metal valley flashing beyond the eave of the roof. Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant. Roof one side of the valley running the shingles across it. Roof mastic applied along sides of valley flashing.

Stop nailing 6 inches from the center. Fasteners placed in the exposed center area. Shingle the other side of the valley the same way. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.

An open valley relies on metal flashing for protection. Valley tin in roofing. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. 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.

Valley metal see all. Punctures in the center of the valley. Continue adding panels until the roof is covered. Closed cut valley fully replaced with new metal valley flashing.

With a clean valley you can lay down some peel and stick roofing membrane. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel. Best practices for sealing the metal roof valley vary based on the slope of the roof. That flashing is left exposed so the roof has visible lines of metal running down the valley.

You may need to cut panels to fit angles using a circular saw with a metal saw blade. 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. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Metal roofing is also available in the form of shingles.

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