Fix the battens into.
Fixing roof tiles to battens.
Set the first batten at eaves so that the first course of tiles overhangs the gutter by 45 to 55mm or into the centre of the gutter whichever is the lesser distance.
For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span.
Battens are not always used in a roofing system.
Bs5534 is the code of practice for installing slates and tiles to new build pitched roofs and vertical cladding.
Roofing battens are nailed into the rafters or roof joists or trusses and provide support for the roof tiles or slates.
The spacing of the battens depend on the type of roofing material and are applied horizontally.
Generally battens should be parallel to the eaves and ridge lines.
Although it s not a legal requirement a roof specified to the code of practice can be upheld by law so you should refer to the complete bs 5534 document or seek advice from the manufacturer.
Spacing the battens the manufacturer supplier of the slates or tiles will also recommend the spacing up the roof between the battens known as the gauge this usually varies according to the pitch of the roof and the degree of exposure.
Here s our quick four step process to help you get started.
What roof pitch do i need for what slate size generally speaking 20 degrees is the lowest advisable pitch for a slate roof depending on the size of the slates and how much that the roof is exposed to.
Roof battens and gauge the gauge is the space between the roof battens this will set the overlap of your chosen slate in most cases.
Start by establishing the position for the lowest batten for the slates tiles on the roof allow for the overhang of.
Just short of the centre of the gutter.
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.
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.
Roofing battens or battening also called roofing lath are used to provide the fixing point for roofing materials such as shingles or tiles.
Then determine the position of the highest batten at the top typically the top of the uppermost row of slates tiles.
Shingles and tiles are affixed using the battens as spacing.
Start with the underlay.
The gauge is in fact the same as the margin which is the length of the tile exposed.
In the second of a series of articles that examine how to comply with the revised bs5534 code of practice we focus on the second task fixing the battens.
Check size and spacing of battens.
Roofing underlays provide insulation and an extra waterproof barrier to prevent ingress of any water that manages to.
Set the last batten at the ridge so that the ridge tiles will overlap the top course of tiles by at least 75mm.
