Customizable Door Threshold

Create custom-sized door thresholds with modular threshold systems designed for unique openings and challenging applications. Our adjustable width and interlocking threshold systems allow you to build thresholds to your exact dimensions while providing superior durability, weather protection, and a professional finished appearance.

Select a system to get started. Don't see what you need? Call us at 845-388-1300. Our trained staff will guide you through choosing the threshold that suits your needs.

Customizable Door Threshold Systems for Unique Openings

Not every doorway is built to standard dimensions. Customizable door threshold systems provide a flexible solution for creating thresholds with precise widths, lengths, and configurations for commercial, industrial, institutional, and hospitality projects. These modular systems allow installers to combine threshold bases, extension plates, and interlocking components to achieve the exact dimensions required without costly custom fabrication.

Whether you're working on oversized entrances, historic renovations, specialty openings, or high-traffic commercial facilities, adjustable threshold systems provide a durable and professional solution that can be adapted to virtually any application.

Benefits of Adjustable Threshold Systems

  • Create custom threshold widths and lengths on-site
  • Reduce the need for expensive custom fabrication
  • Accommodate unusual door openings and floor conditions
  • Available in durable aluminum and architectural bronze finishes
  • Suitable for commercial, industrial, and hospitality projects
  • Hidden fastening options improve appearance and durability
  • Can be configured for enhanced weather protection
  • Designed for long-term performance in high-traffic environments

Types of Custom Threshold Systems

Adjustable Width Threshold Systems

Adjustable width systems use interlocking plates and threshold components to create custom threshold widths tailored to specific project requirements. These systems are ideal for wide door openings, commercial entrances, and retrofit projects where standard thresholds may not provide adequate coverage.

Explore our Adjustable Width System collection for flexible threshold configurations.

Adjustable Interlocking Threshold Systems

Interlocking threshold systems add a weather-resistant sealing feature by incorporating an interlocking hook design that helps block air infiltration, water penetration, dust, and debris beneath the door. These systems are commonly used where weather protection and energy efficiency are critical.

View our Adjustable Interlocking Threshold System for enhanced sealing performance.

Common Applications

  • Commercial office buildings
  • Hotels and hospitality properties
  • Hospitals and healthcare facilities
  • Educational institutions
  • Government buildings
  • Manufacturing facilities
  • Retail storefronts
  • Warehouses and distribution centers
  • Historic building renovations
  • Large custom door openings

Why Use a Modular Threshold System?

Traditional thresholds are manufactured in fixed widths, which can create challenges when dealing with non-standard openings. Modular threshold systems solve this problem by allowing installers to combine multiple components to achieve exact dimensions while maintaining structural strength and a finished appearance.

Many systems also feature concealed fasteners and interlocking connections that improve durability, simplify installation, and create a cleaner architectural look.

Available Materials

  • Aluminum Threshold Systems – Lightweight, corrosion-resistant, and ideal for most commercial applications.
  • Architectural Bronze Threshold Systems – Premium appearance and exceptional durability for luxury and historic projects.
  • Heavy-Duty Commercial Components – Designed for high-traffic entrances and demanding environments.

Industries That Frequently Use Custom Threshold Systems

  • Hospitality and hotel construction
  • Healthcare facilities
  • Educational institutions
  • Government and municipal projects
  • Commercial office developments
  • Industrial facilities
  • Luxury residential construction
  • Architectural restoration projects

Frequently Asked Questions

What is a customizable door threshold?

A customizable door threshold is a modular threshold system that allows multiple components to be combined to create a threshold with custom dimensions and specialized performance characteristics.

What is the difference between adjustable width and interlocking systems?

Adjustable width systems focus on creating custom threshold dimensions, while interlocking systems add weather-resistant sealing features that help prevent air and water infiltration.

Can these systems be used for oversized openings?

Yes. Adjustable threshold systems are commonly used on oversized and non-standard openings where traditional thresholds are not suitable.

Are customizable threshold systems suitable for exterior doors?

Yes. Many systems are designed specifically for exterior openings and can be configured to provide improved weather resistance and energy efficiency.

Do these thresholds work for retrofit projects?

Absolutely. Adjustable threshold systems are often used during renovations and retrofits where existing openings require non-standard dimensions.

Related Threshold Systems

Explore additional custom threshold solutions including the Zero Adjustable Width System, Zero Adjustable Interlocking Threshold System, NGP Adjustable Width System, and the Custom Bulkhead Threshold System.

Why Buy Custom Door Threshold Systems from TM Hardware?

TM Hardware offers professional-grade customizable threshold systems engineered for architects, contractors, facility managers, and building owners who need solutions beyond standard threshold sizes. Our adjustable width and interlocking threshold systems deliver flexibility, durability, weather protection, and long-term performance for even the most demanding doorway applications.