The slate or tile manufacturer or supplier will specify the spacing of the battens up the roof for the particular type of covering this spacing is referred to as the gauge the gauge may depend upon the pitch of the roof and the amount of exposure.
Tile roof battens spacing.
Place these on the roof one above the other.
The gauge is in fact the same as the margin which is the length of the tile exposed.
Spacing the battens the next thing to do is to work out the spacing for the battens up the roof.
It is also important aesthetically so that the tiles on the finished roof are equally spaced.
Roofing battens or laths are strips of timber which are nailed into lines along the roof trusses of a house from which the roof tiles are hung.
Battens should be fixed to rafters set at centres not more than 600mm apart.
Because battens support the tiles the spacing is determined by the size of the tiles and the length of the roof to be covered.
For example 25x50mm battens should be used for single lap modern roof tiles when laid on rafters with a 600mm span.
Battens are not always used in a roofing system.
Battens should be fixed to rafters set at centres not more than 600 mm apart and should span at least 3 rafters.
The supplier of the tiles should recommend the spacing up the roof between the battens known as the gauge this usually varies according to the size of the tiles the pitch of the roof and the degree of exposure.
Step 1 rest a sample tile on the roof so the bottom edge overhangs the fascia and guttering by the distance recommended by the tile manufacturer taking into account any local ordinances that apply to your building.
To ensure this the battens should be at least 1 2m long.
Their spacing is determined by the size of the tiles and the height and pitch of the roof to be covered.
According to bs 5534 the appropriate batten size will depend on the span of the rafters and the roof covering.
Not more than one in four battens should be joined over one truss for gauges over 200mm.
Take two sections of roof batten.
The spacing of the battens depend on the type of roofing material and are applied horizontally.