Used in applications such as doorways to anechoic chambers, recording studios and secure rooms Mason Superior Acoustic Sound Lock Doors are very high acoustic performance doorsets which are designed to provide attenuation up to STC53. The 65mm thick door leaves are factory installed in steel door frames fitted with Mason double acoustic door seals. They are installed on site with a stainless steel threshold also fitted with acoustic door seals. The units are supplied with Mason cam action rising butt hinges which compress the bottom seals to prevent "flanking". The steel faced the door leaf is available with a selection of electrostatic powder coatings, enamel paint and surface laminated coverings such as timber, PVC, cloth etc. Mason Acoustics factory has been awarded ISO 9001:2001 certification by TÜV NORD and Mason Superior Acoustic Sound Lock Doors are manufactured under strict quality control procedures. The doorsets have been subjected to International Standard acoustic tests, endurance tests and impact tests to ensure that they meet acoustic specifications and provide long low maintenance service to the user.
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