For Metal Doors

High Performance Door Seals for Metal Doors

Seal gaps, reduce energy loss, and improve fire, smoke, and sound control with our heavy-duty door seals designed specifically for hollow metal doors. Choose from sweeps, gaskets, automatic door bottoms, and brush seals engineered for commercial-grade performance.

Need help selecting the right option? Our experts can guide you based on your door type and application.

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Complete Door Sealing Solutions for Metal Doors

Metal doors require precise sealing solutions due to their use in commercial, industrial, and high-traffic environments. At TMHardware, we offer a full range of high-performance products designed to improve insulation, durability, and compliance.

From door shoe sweeps and brush seals to automatic door bottoms and magnetic gasket systems, our solutions are built for long-term performance in demanding environments.

Types of Door Seals for Metal Doors

Door Shoe Sweeps (U & L Shaped)

Designed for heavy-duty sealing at the bottom of metal doors, these sweeps provide strong protection against dust, drafts, insects, and noise. Built for durability in commercial and industrial applications.

Automatic Door Bottoms

Spring-loaded sealing systems that drop automatically when the door closes. Ideal for fire-rated doors, soundproofing applications, and energy efficiency upgrades.

Explore Automatic Door Bottoms

Brush & Vinyl Door Sweeps

Perfect for uneven floors and high-traffic doors where flexibility and durability are needed. Brush seals allow smooth door movement while maintaining effective sealing.

Magnetic & Kerf Gasket Systems

Used for perimeter sealing on metal doors to control smoke infiltration, sound leakage, and air pressure differences. Ideal for hospitals, hotels, and office buildings.

Fire & Intumescent Seals

Designed for fire-rated assemblies to maintain compliance and safety standards. These seals expand under heat to block smoke and flame passage.

Featured Metal Door Seal Products

  • L-shaped aluminum door shoe sweeps
  • U-channel door sweeps with rubber and brush seals
  • Mortised automatic door bottoms
  • Magnetic kerf weatherstripping systems

We stock trusted brands including Zero International, Pemko, NGP, and Barzen, ensuring premium quality and long-lasting performance.

Where Metal Door Seals Are Used

  • Commercial buildings
  • Warehouses and industrial facilities
  • Hospitals and healthcare environments
  • Hotels and office buildings
  • Fire-rated doors and stairwells

Why Proper Sealing Matters

  • Reduces HVAC energy loss
  • Improves sound insulation
  • Blocks dust, pests, and moisture
  • Maintains fire rating compliance
  • Extends door lifespan

Need Help Choosing the Right Seal?

Not sure which option fits your door? Our specialists can help you choose the correct seal based on door type, clearance, and application.

Call us at: 845-388-1300

Frequently Asked Questions

What is the best seal for metal doors?

Door shoe sweeps are best for bottom sealing, while gaskets and automatic door bottoms are ideal for perimeter and fire-rated doors.

Are automatic door bottoms better than door sweeps?

Automatic door bottoms provide a tighter seal and are preferred for fire-rated and soundproof doors, while sweeps are simpler and more cost-effective.

Can metal door seals reduce noise?

Yes, brush seals, gaskets, and automatic door bottoms significantly reduce sound transmission.

Do these seals work on fire-rated doors?

Yes, many products are designed to maintain or restore fire ratings when properly installed.

How do I know which seal I need?

It depends on door clearance, usage, and environment. Contact our team at 845-388-1300 for expert guidance.