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What Does Secondary glazing for soundproofing Mean?

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Only obtainable for casement models, Large Performance Soundproof Secondary Windows perform by putting a secondary window unit within just your current body. Made to overcome intense noise air pollution, these additional windows will add a further 51dB to the existing double glazing. Noise Insulation - Secondary glazing is a https://tomr702wnc3.get-blogging.com/profile

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