How To Apply Metal Flashing Roof

Drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies this collection of 18 articles animations and videos identifies the critical roof flashing areas illustrates durable roof flashing details and shows how to flash roofs. Most flashing is 8 inches wide. Place corner pieces where panels will meet bends at the edge of the roofing.

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Flashing provides the extra protection these spots need.

How to apply metal flashing roof.

If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch. This is the metal trim similar to the eave flashing except that it is placed over joints in the roof where different sections meet. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Still up on the roof your next step is to make sure that all the edges are smooth and finished and that all panels are fully secured to the roof.

Most flashing is made of galvanized metal but diy ers may prefer aluminum flashing because it s easier to bend. With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim. It s very important to make sure that you grab the z channel that s below and make sure that you re in the outside leg of the z channel. Open valleys have metal flashing to protect this critical area of the roof.

Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. These problem areas include the edges of skylights and chimneys soil stacks vent fans and roof valleys as well as the intersection of the roof deck and dormer walls. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. By the end of step 7 every square inch of the roof should be covered in metal the entire perimeter protected with edge flashing and all the roof joints protected with flashing.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Galvanized metal or aluminum is considered the best to use for roof flashing. This should be used in valleys points where 2 sections less than 140 degrees meet and as end caps over the tops of 2 sides that meet. I m going to install one between each panel directly in the center.

Roof flashing is a material used as a protectant against water leaks or seepage and is typically made of galvanized metal but it can also be in the form of aluminum sheet metal copper or even plastic. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.