| 摘要 |
A ventilating and/or draining batten to be utilised as a spacer between timber framing and outer cladding in wall sections of the building elements, the batten being of a material selected from a plastic material, a non-moisture absorbing material or a non-moisture transmitting material and of an elongate strip like form of thickness of a desired set out distance, the batten having across its width transverse means whereby water can move through the strip like form.
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