NAPs range of steel acoustic doors are custom built to provide superior acoustic performance and ease of installation.
Standard designs for STC40, STC45 & STC50 in single & double (bi-parting) leaf.
Special purpose designed ratings up to STC60
Special fire rated versions with 3-hour fire rating to AS1530.
Complete with four-sided steel frame with proprietary adjustable ball bearing hinges and stainless steel sill.
Fully tested in NATA registered laboratories.
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