We describe how to construct three common styles of roof valley.

Types of roof valley flashing. Valley flashing subsequent to setting out the felt underlayment over the entire roof deck different types of flashing will be introduced prior to putting the black top shingles down. A cone shaped fitting that is worked into the shingles to cover pipes. Valleys are those areas of the roof where two segments of roof meet at a joint and structure a calculated plunge. One of the details that varies between homes is the method of flashing the valley areas of the roof.

An l shaped structure that lies flat. Some roof features such as chimneys require two pieces of flashing. Open valley closed cut valley and woven roof valley and we include roof valley underlayment and nailing specifications. Closed valley s or open valleys.

Cut the shingles along the line created by. Continuous flashing is also called apron flashing because it acts a lot like an apron. Sandwich the metal with the second row of water and ice shield. These are the key types of roof flashing you need to understand.

A w shaped piece that is placed on top of the roofing felt in the areas where two valleys of a roof plane join. Understanding different types of roofing valleys. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. Order your stratco flashings in a flash.

New flashing design tool. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Used to cover protruding beams or railing attachments. 3 11 types of penetration flashing design 16 3 12 flashing large roof penetrations 17 3 13 flashing small roof penetrations 19 3 14 expansion 20 3 15 standard roof flashings 21 3 16 non standard roof flashings cappings 24 3 17 box gutters 25 3 18 barge gutters and capping 26 4 0 typical wall flashings 27 4 1 cladding orientation 27.

Line the center of the valley with a row of ice and water shield width may vary install metal flashing on top of the ice and water shield. This article discusses details and specifications for roof valley flashing for best construction roof leak resistance.

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