At this stage some adjustment in shunt could be made if necessary to allow a 38 to 50mm overhang at verges.
Roof tile setting out.
As you roll out the underlay keep the bottom edge of the material aligned with the edge of the eave but above any metal or synthetic edging that may cover the borders of the eave.
It is also important aesthetically so that the tiles on the finished roof are equally spaced.
To ensure this the battens should be at least 1 2m long.
Setting out across the roof.
Construction usually takes around 1 2 days to get a concrete or terracotta tile roof installed and 1 day for a composite tile roof.
This is normally specified with the tile manufacturer and it s advisable to check how much they say a roof tile should overlap normally on a smooth faced tile the overlap is 75mm 3 and on granular or sandfaced tiles its 100mm 4 however if the roof is shallow pitched is facing a windy direction or will be prone to moss build up it may be a good idea to increase the lap by another 25mm or 1.
On adjacent roof slopes of varying pitch set batten gauge to the lower roof pitch to.
For specialist services please view the find a roofing specialist.
This all depends on how big your roof is and a number of other factors our roofers provide a comprehensive roofing service.
Vertical cuts should never be less than half a tile width.
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The supplier of the tiles should recommend the spacing up the roof between the battens known as the gauge this usually varies according to the size of the tiles the pitch of the roof and the degree of exposure.
Never cut bottom edge of a tile.
Setting out 4 interlocking tiles and slates 57 setting out check points never exceed maximum gauge for tile used at recommended pitch.
Avoid cutting tiles wherever possible.
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The gauge is in fact the same as the margin which is the length of the tile exposed.
Position the first roll of underlayment at one side of the roof perpendicular to the lower edge the eave of the roof.