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Our intumescent letter box assemblies have been extensively tested to the latest British standards BS 476 parts 22 & 31.1 and have achieved a 32dB Rw rating on a BS EN ISO 240-3 acoustic test.
• 30 minute fire rating
• Extensively tested to BS 476 parts 22 & 31.1
• Acoustic tested to BS EN ISO 240-3 achieving 32dB Rw
• Security PAS 23/24
|Colour/Finish||Satin Anodised Aluminium|