Norsound NOR833 Retro Fit Hinged Glass Door Bottom Auto Drop Seal

The Norsound NOR833 Glass Door Bottom Drop Seal provides an airtight seal for 20mm thick hinged acoustic glass doors, enhancing smoke and acoustic performance.

• The description claims gaps at the bottom of doors can compromise acoustic and smoke performance.
• The description claims the seal creates an airtight seal to block noise, smoke, and drafts.
• The description claims the seal maintains fire resistance performance.