Graphical Construction Glossary >> Roofs and roofing. >> Roof Framing >> tile battens

tile Battens
In roofing they are the horizontal strips of timber nailed across the rafters to fix cement and clay tiles to.
Anti ponding strip
A flat strip of metal flashing material fixed to the top o the fascia and to the rafters to stop the sarking sagging so that no water can pond inside the fascia.

concrete tile layout

The sketch above shows the layout of the battens, and in this instance using concrete or cement tiles as the example. Similar details are applicable for just about all other types or roof tiles.

The anti ponding strip is a critical item at the fascia. Without it there is the possibility of water that runs down the sarking not being able to exit at the fascia, but form ponds and eventually leak into the eaves staining the lining etc.

The fascia has to be higher than the battens by the thickness of a tile. In one respect because the anti ponding strip is fixed to the fascia and to some rafters it can stiffen the fascia also.

More details on cement tiles.

More details on capillary grooves..

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Please Note! The information on this site is offered as a guide only!  When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area.  It could be out of date!  Regulations breed faster than rabbits!
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