How To Batten A Roof Valley

Place the flashing on the upper portion or the upper flange of the batten.

How to batten a roof valley.

It is essential to only use whole not cut shingles during this step. The last batten should be set so that the ridge tiles overlap the top course of tiles by at least 75mm. To determine the gauge for variable lap tiles divide the distance between the first and last batten by the maximum tile gauge. Installing a close cut grp valley with redland 49 tiles.

Soup to nuts riley shows the proper way of installing a valley on a roof. For example metal roofing will be attached to special metal roof battens. How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs. Where this is not possible due to the shape or design of the building fix the battens to be at right angles to the line of drainage.

The spacing of the roof battening highly depends on the type of exterior roofing material that is going to be used. Thin plywood linings are fitted over the valley boards to maintain a smooth finish under a lead lined valley. Generally battens should be parallel to the eaves and ridge lines. Install the valley battens on the sides of the roof that you want to place the valley flashing.

Table 11 gives the minimum recommended valley widths for different roof pitches and plan areas. The batten seams are covered with batten joint and then the metal sheets are attached at specific intervals. Step 2 install the valley battens. In summary during the installation of a closed cut valley you install the first roof plane s shingles into the valley.

As you install roof shingles on the second roof plane you allow them to lap over the valley on top of the first shingles.