The result is the number of additional battens you require.
Roof slate batten gauge.
Holing gauge batten gauge headlap 10mm.
Holing gauge mm battening gauge mm m batten per m2.
This calculator will estimate the following number of slates required per square metre.
Welsh heather blue en 12326 1 2004 test results.
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.
The holing gauge can be calculated as.
Estillo 15 blue grey en 12326 1 2004 test results.
Batten gauge length of slate headlap 2.
Holing gauge for holing slates.
Burlington blue grey en 12326 1 2004 test results uks.
Roofing slate bsen12326 1 2004 data.
Kentdale blue grey en 12326 1 2004 test results.
Measure the height of the roof from the top of your second batten to about 30 millimetres short of the top of the roof.
Roofing battens are nailed into the rafters or roof joists or trusses and provide support for the roof tiles or slates.
Height of slate minus desired headlap divided by two gauge i e.
Measure the distance from the top of the lowest batten to the top of the highest batten.
The supplier of the slates should recommend the spacing up the roof between the battens known as the gauge this usually varies according to the size of the slates the pitch of the roof and the degree of exposure.
Arrange the second batten above the fascia batten to the tile gauge recommended by the tile manufacturer.
Westmorland green en 12326 1 2004 test results uks.
For a 500mm long slate with a 100mm headlap the gauge is 500 100 400 2 200 so we know the gauge is 200mm.
Welsh dark blue grey en 12326 1 2004 test results uks.
The updated bs 5334 code of practice for slating and tiling specifies a number of batten sizes based upon the span of the rafters and the product being used.
The most commonly used slate size in southern england is 500x250mm and 400x250mm in scotland and the north of england.
The result is the number of courses of tile on the roof rounded to a whole number.
Holing gauge mm battening gauge mm m batten per m2.
The gauge is in fact the same as the margin which is the length of the slate exposed.
Should you need to re hole slates firstly we need to know the gauge calculate this by using the maths below.
For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span.
Total linear run of tile batten in metres.
Please enter the dimensions in the white fields below and click calculate to show the results.
Slate length mm battening gauge mm m batten per m2.
