Roofing Aluminum Valleys

Quality edge metal valley better roof faster install.

Roofing aluminum valleys.

How to seal metal roof valley. How do valley metal flashings join at top of valley. That flashing is left exposed so the roof has visible lines of metal running down the valley. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. An open metal lined valley properly installed is functionally better long term. To read pdf files you need the adobe acrobat reader 6 0 or higher.

An open metal lined valley has a cleaner and more appealing look. A closed valley may be just fine given the budget and type of roof. Quality edge valleys effectively channel the rainwater to run off easily and add strength where it s needed most in the center area of the flashing to provide long term peace of mind. However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed.

18 w x 10 white l valley flashing. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps. Valleys are a very important part of a well designed roofing system. From a more opinionated viewpoint.

As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water. However you need to cut down the middle of the valley so that one side lies against the main roof and the other. These items can be fabricated in many different profiles.

On top of that our pre formed metal product provides significant savings in installation time. If you re referring to a dormer roof where two valleys meet from either side then you extend each to about a foot above the dormer peak meets the existing roof. With a clean valley you can lay down some peel and stick roofing membrane. An open valley relies on metal flashing for protection.

Install an underlayment centered in the roof valley. When cutting your metal roofing to fit valleys it s important to use the proper tools. 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. For example in metal roofing systems valleys are commonly fabricated with hems but can also be fabricated without them in which case they could still be used for metal roofing or any other type of roofing.

Fold the top over the roof ridge and cut the bottom along the drip edge metal. Preformed valley flashing is used to channel water down the roof into the gutters in the roof valley area. Then install a non corrosive metal valley flashing of 24 minimum width.