Concrete tiles which are usually lighter than clay tiles can easily place over 10 pounds of weight per square foot on a roof.
Setting out a roof for tiles.
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.
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Start by establishing the position for the lowest batten for the slates tiles on the roof allow for the overhang of.
Next place your two tiles one on top of the other loose onto the battens without anything being fixed.
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.
Roofing battens are nailed into the rafters or roof joists or trusses and provide support for the roof tiles or slates.
For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span.
If a batten end is to be set in mortar be sure an appropriate treatment has been applied.
This is not required for dry fix systems.
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 put it in simplest terms a basic asphalt shingle perhaps the most common roofing material in america will typically place a weight of less than 3 pounds per square foot on a roof.
The supplier of the tiles should recommend the spacing up the roof between the battens known.
Roofing with plain tiles positioning the battens.
Start at the lower edge of the roof nailing the batten into place at the centre of the rafter.
Make sure the tile lugs are seated snuggly onto the top edges of the battens.
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.
Plain tiles are laid on the battens in a brick bond pattern i e.
Measure between the top of the top batten and the top of.
Joints should be directly over rafters with the batten square cut tightly butted and skewed nails.
Having set out and nailed all the battens the setting out of tiles on each batten should be considered.
Each plain tile is 165mm wide and can have up to 3mm gap between them.
Consider the impact of weight.
Just short of the centre of the gutter.
