Heavy Duty Under Door Seal With Double Neoprene Bulb Seal Keeps Drafts Out 1 Inch Drop 36 Inch Mortised Automatic Door Sweep Aluminum Casing Spring Loaded Mechanism High Sound Control Durable Draft Stopper

Single Unit Heavy Duty Door Seal with Double Neoprene Bulb
✔️ 36 inch door sweep, mortised aluminum housing, auto seal, 1 inch drop

This heavy-duty under door seal is designed to block drafts and improve sound control by sealing the gap at the door bottom. It’s typically installed on interior wooden doors to keep rooms warmer, quieter, and more energy efficient.

✅ Heavy duty double neoprene bulb seal for high sound control
✅ 36 inch length with 1 inch drop, fully mortised bottom
✅ Aluminum housing for durability and a clean look
✅ Automatic spring-loaded mechanism lifts seal when door opens and seals when closed
✅ Self-extinguishing, oil-resistant neoprene for fire-rated weatherproofing

💡 What is a heavy-duty door bottom seal and how does it help reduce drafts?

This handy seal blocks drafts by sealing the gap under the door. - It uses a double neoprene bulb to fill gaps up to 1 inch - The spring-loaded mechanism automatically seals when the door closes - Aluminum casing provides durability and a low-profile look ✝️