<p>treated in accordance with the building code before construction, and the keel layout must be adapted to the arrangement of the sound absorbing board. Wooden keel spacing should be less than 300mm, light steel keel spacing is not greater than 400mm. The keel shall be installed perpendicular to the length of the sound absorbing board. C: wooden keel surface to the base of the distance, in accordance with </p>
<p>specific requirements, generally 50mm. Long bone side surface flatness and verticality error should be less than 0.5mm. D: keel gap need filler, should be installed in accordance with the design requirements, processing, and ensure that does not affect the sound barrier plate installation. 2 �� wooden sound absorption board installation (1) measure wall size, confirm installation position, determine horizontal and </p>
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</p>Statistics: Posted by qizhenapp — Fri Aug 04, 2017 6:02 am
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