A minimum of a 3 inch overlap is required for the tiles.
How to set out a roof for tiling.
For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span.
The supplier of the tiles should recommend the spacing up the roof between the battens known.
Make sure the tile lugs are seated snuggly onto the top edges of the battens.
Step 5 hold a final short strip of batten across the top of the roof just below the ridge and rest a tile on it.
Use a hammer and nails to attach a second short strip of batten further up the roof the distance between it and the first batten being the distance calculated in step 3.
Roofing with plain tiles positioning the battens.
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.
Next place your two tiles one on top of the other loose onto the battens without anything being fixed.
After you have determined the distance between the first two battens measure the distance and set battens using that.
How to space a tiled roof firstly get two of your roof tiles and either two full battens or two offcuts of batten and place them onto the roof one above the other.
Having set out and nailed all the battens the setting out of tiles on each batten should be considered.
Just short of the centre of the gutter.
Use two tiles to determine the spacing required for the battens.
With the joints between them.
Plain tiles are laid on the battens in a brick bond pattern i e.
The first course of tiles should be set out to equalise all the gaps between the tiles start and finish at corner or abutments and hopefully line up with the sides of window openings.
Set the last batten at the ridge so that the ridge tiles will overlap the top course of tiles by at least 75mm.
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.
Start by establishing the position for the lowest batten for the slates tiles on the roof allow for the overhang of the stales tiles in front of the fascia.