Norsound NOR872 Retro Fit Sliding Glass Door Bottom Auto Drop Seal

The Norsound NOR872 Glass Door Bottom Drop Seal provides an airtight seal for 8mm thick sliding 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.