Slate Roof Batten Gauge For Slates

Tile batten gauge for slate.

Slate roof batten gauge for slates.

Slate length mm battening gauge mm m batten per m2. Holing gauge for holing slates. Total linear run of tile batten in metres. Roofing battens are nailed into the rafters or roof joists or trusses and provide support for the roof tiles or slates.

The holing gauge can be calculated as. Holing gauge batten gauge headlap 10mm. Welsh dark blue grey en 12326 1 2004 test results uks. Burlington blue grey en 12326 1 2004 test results uks.

Height of slate minus desired headlap divided by two gauge i e. Holing gauge mm battening gauge mm m batten per m2. Holing gauge mm battening gauge mm m batten per m2. For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span.

Batten gauge length of slate headlap 2. Gauge length of slate lap 2 battens should be nailed at maximum 600 mm. Westmorland green en 12326 1 2004 test results uks. Uks battening holing gauges.

This calculator will estimate the following number of slates required per square metre. For a 500mm long slate with a 100mm headlap the gauge is 500 100 400 2 200 so we know the gauge is 200mm. The slate or tile manufacturer or supplier will specify the size of battens to be used typically this would be 40 x 20mm 1 5 x inch but where the horizontal gaps between rafters is large or the slates tiles are heavy then bigger battens may be needed. Battens should be set out horizontally across the roof at a gauge calculated from the formula.

Roofing slate bsen12326 1 2004 data. Welsh heather blue en 12326 1 2004 test results. Kentdale blue grey en 12326 1 2004 test results. The most commonly used slate size in southern england is 500x250mm and 400x250mm in scotland and the north of england.

Should you need to re hole slates firstly we need to know the gauge calculate this by using the maths below. Recommended timber batten sizes for natural slate roofs are 50 25 mm up to 600 mm rafter spans according to bs 5534.