How To Slate A Valley Roof

The width of the open valley is dependent upon the roof pitch and the volume of water expected to drain into the gutter.

How to slate a valley roof.

The three methods to shingle a roof valley. The valleys on a slate roof or tile roof are a lot different then those of a asphalt shingle roof system. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof. Table 11 gives the minimum recommended valley widths for different roof pitches and plan areas.

This is because all the other costs associated with replacing a slate roof such as the cost of labor flashings and tearingoff the old roof are equal in both cases. Then you would run the other side over top and cut the extra off leaving a strait cut all the way down the center of the valley like the picture to. The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters. This recommendation includes iko s premium shingles.

Iko recommends that you install architectural shingles with the open valley method for the best roof performance. Open valley troughs have been designed as an alternative to traditional lead troughs a safe and efficient way to collect rainwater run off. Looking for something specific. Slating terms and phrases if you are not a seasoned roofer some of the terms used for slates batten spacing or overlapping of the slates can add to the confusion.

We ve arranged our superb selection into grp valley troughs for tiled roofs and roof valley solutions for slate roofs. Dry fix valley troughs are mortar free providing hidden water gulleys at the roof valleys. Thin plywood linings are fitted over the valley boards to maintain a smooth finish under a lead lined valley. Roof leaks are also very common in the winter when all the snow accumulating on a roof creates a potential for a roof leak to develop especially if a roof.

Roof pitch the angle of a roof not only determines what slates to use but the amount of overlap that the slate roof needs to remain waterproof. On a shingle roof system you would run one side into and up the other side of the valley.