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The best support is timber.
The user should know as much as possible about the types and
sections of timber required. Sizes vary dependant on local building
requirements. |
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For circular buildings: |
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For towers, apses and domes, poplar is
generally used.
Fixings:
Battens or counter battens should always use alloy steel nails.
IMPORTANT: Each batten should rest on three supports (rafter
or truss)The fixing can also be done with electro-pneumatic
nailers or staplers. |
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Wood treatment |
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Treatment of the wood is recommended.
It should be a fungicide, insecticide and cryptogamic for
woods that are to be preserved, whatever their section.
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Rafters
