Wide Form Valley For Metal Roof

A closed valley may be just fine given the budget and type of roof.

Wide form valley for metal roof.

In comparison to a closed valley an open valley adds another layer of lining into the valley. That flashing is left exposed so the roof has visible lines of metal running down the valley. An open metal lined valley properly installed is functionally better long term. Fold the top over the roof ridge and cut the bottom along the drip edge metal.

3 wide rib panel. How to measure and cut the metal on a valley for metal roof install. You can see in our roof valley photo left that there has been a history of patching at the valley intersection on this roof. No sales pitch or other fluff.

With a clean valley you can lay down some peel and stick roofing membrane. Then install a non corrosive metal valley flashing of 24 minimum width. From a more opinionated viewpoint an open metal lined valley has a cleaner and more appealing look. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. Where two roof valleys meet for example above a gable dormer a soldered joint is likely to break from the movement. This valley flashing material can be manufactured from any metal that will resist the effects of weather acid rain and other contaminants. An open valley relies on metal flashing for protection.

After the self adhering underlayment is installed across the valley a pre bent metal valley lining is installed. How to measure and cut the metal on a valley for metal roof install. V where one bend is made to match the angle of the adjoined roof slopes. Install an underlayment centered in the roof valley.

In stock at store today. Top sellers most popular price low to high price high to low top rated products. First clean the debris out of the valley including sawdust nails and whatever else is in there. Then shingles are cut out of the valley area which opens the surface for the metal lining to carry water off the roof.

Overlap metal roof valley sections by 12 inches and seal the lap with a flexible sealant such as polyurethane or butyl on roofs shallower than 5 12. Masterrib is a 36 wide 5 r. A chalk line is used to strike a line from the bottom of the valley to the top.