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.
Roof tile gauge.
For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span.
Here the tiles are overlapped 75mm 3.
Western states metal roofing.
Steel roof deck 20 gauge corrugated.
Spacing roof tiles and battens when setting the necessary tile overlaps with the tape measure the ideal tile spacing or gauge is the distance between the top of the first batten and the top of the second as in figure 3.
Fix the remaining battens at this gauge.
Divide a by b to determine the actual batten gauge.
Western states metal roofing.
Stone coated steel roof tiles 26 gauge.
Divide this distance by the maximum tile gauge.
Steel roof deck 18 gauge corrugated.
Setting out up the roof gauge measure the distance a from the first eaves course batten to the top course batten.
Divide this distance by the maximum tile gauge.
The gauge is the exposed section of tile when it sits on the roof ignoring the overlap with adjoining tiles.
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The gauge margin quoted by a manufacturer will be the minimum acceptable you will need to work out the gauge you actually require for your particular roof so that a full number of gauges span from the bottom batten to the ridge this will avoid ending up with a part tile at the ridge if you use the specified spacing.
Steel roof deck 22 gauge corrugated.
High end metal roofing 22 to 24 gauge is popular in northern regions due to its ability to send snow sliding from the roof and it s durable enough that it can easily last more than half a.
Divide a by b to determine the actual batten gauge.
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Western states metal roofing.
Rafter dimensions local building code may also address rafter dimension although this usually is considered in addition to roof pitch and span.
As roof pitch is lowered the weight burden on the rafters increases.
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.
Measure the distance a from the first eaves course batten to the top course batten.
Round the answer up to the nearest whole number b this gives the number of tile courses required.