Set out the first second and all the rest of slates on a pitched roof.
Setting out roof battens.
Setting out up the roof gauge set the first batten at eaves to allow the tails of the eaves course tiles to overhang the fascia by 40 to 45mm ie.
To ensure this the battens should be at least 1 2m long.
Battens can be laid out horizontally or in cross hatch sections.
Measure between the top of the top batten and the top of.
Set the last batten at the ridge so that the ridge tiles will overlap the top course of tiles by at least 75mm.
Below 200mm there can be 3 consecutive joins in any twelve battens.
Start with the underlay.
Hold a final short strip of batten across the top of the roof just below the ridge and rest a tile on it.
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The layout of the battens is very important to the end results.
Roofing underlays provide insulation and an extra waterproof barrier to prevent ingress of.
Then determine the position of the highest batten at the top typically the top of the uppermost row of slates tiles.
Battens should be fixed to rafters set at centres not more than 600 mm apart and should span at least 3 rafters.
As mentioned earlier the spacing between battens largely depends on the size of the shingles tiles or panels that are being installed.
Not more than one in four battens should be joined over one truss for gauges over 200mm.
Just short of the centre of the gutter.
The batten should be positioned so that a ridge tile will overlap the roof tile by roughly 3 inches.
How to install roofing battens 4 simple steps 1.