Tile Roof Valley Detail

Experienced installers may make a cut dog ear to the point of the tile that is overlapped by the succeeding row.

Tile roof valley detail.

By downloading and using any arcat cad content you agree to the following license agreement. Ensure that continuous support is provided for ends of tiling battens on each side of valley. The boral roofing cad details below are complete drawings that can easily be downloaded customized for your residential or commercial project and included in your cad library for future use. It is an area where water is directed towards rather than away from therefore correct detailing and construction is essential.

Cut adjacent tiles and tile and a half tiles so that valley tiles course in and fit neatly. Note that it is not necessary to mechanically fix the valley tiles. If slate or tile is used for the roof covering 20 oz. 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.

Note that it is not necessary to mechanically fix the valley tiles. A common misconception is that the mortar bedding is there to prevent water access. Cover valley with a strip of underlay not less than 600mm wide underlapping general underlay. Copper is recommended for valley flashing.

Cut adjacent tiles and tile and a half tiles so that valley tiles course in and fit neatly. The details shown are for roof intersections resulting in valley slopes of at least 4 1 2 per foot. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet.

Valley details for tile roofs according to the international residential code irc valley flashing in tile roofs should extend at least 11 inches each way from the valley centerline and the flashing should have a formed splash diverter at the center at least one inch high. Depending on the length of the valley and the tributary area installers may flare or gradually open the width of the valley tile cut. Cover valley with a strip of underlay not less than 600mm wide underlapping general underlay. One of the areas of a pitched roof most prone to leakage if not constructed properly is the valley.