Tile Roof Valley Flashing

There are two common methods for completing the flashing of a valley in a shingle roof system.

Tile roof valley flashing.

Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. For a closed valley shingles are installed across the joint where planes intersect. Dektite nu lead combines a dektite polymer cone and a protected lead apron to stop lead leaching into roofs and gutters downpipes and waterways. We describe how to construct three common styles of roof valley.

The valley flashing for a tile roof should have hemmed edges and be installed with cleats that allow individual sections to expand and contract figure 2 34. Failure to extend the entire width of the metal valley flashing beyond the eave of the roof. Closed valleys or open valleys. Ridgeway manufacture roof valleys to your colour and specification up to 8 metres in length.

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. Closed cut valley fully replaced with new metal valley flashing. Fasteners placed in the exposed center area. This article discusses details and specifications for roof valley flashing for best construction roof leak resistance.

Open valley closed cut valley and woven roof valley and we include roof valley underlayment and nailing specifications. Punctures in the center of the valley. W type valley flashing is more rigid for handling so it stays straight and it stops waler rushing down one side of a roof from rushing back up the other side. In this type of valley the flashing carries the runoff and the tile in the valley is only decorative.

Closed valley details on tile roofs. How to install roofing paper in a valley section and install the valley flashing on top. Valley flashing for roofs. One of the details that varies between homes is the method of flashing the valley areas of the roof.

Roof mastic applied along sides of valley flashing. This video shows the water proofing paper that we installed after re. Tile roof flashings. Avoid the following common errors.