Aluminium 3mm Automatic Door Drop Seal

"Automatic Door Drop Seal, enhances insulation, reduces noise, and offers convenience with automatic drop-down design." These are used to seal the gap between floor and bottom of door. Seal Gap: Provides an effective 3mm sealing drop to block drafts, dust, noise, and light. Automatic Operation: Drops down automatically when the door closes and retracts when opened. Material: Typically made with durable aluminum housing and a flexible rubber or silicone seal. Application: Ideal for residential and commercial doors, including wooden, metal, and fire doors. Installation: Surface-mounted or recessed into the bottom of the door for a flush finish. Benefits: Enhances energy efficiency, soundproofing, and weatherproofing.