Aluminium Door Thresholds – Complete Guide

When visitors enter your home or building, the door threshold is one of the first things they step on. Though often overlooked, thresholds are essential for comfort, safety, and durability.

What is a Door Threshold?

A door threshold is the strip at the bottom of a doorway that bridges the gap between the door and the floor. It serves important purposes:

  • Weather Protection – Keeps out rain, wind, dust, and pests
  • Energy Efficiency – Helps maintain indoor temperature by reducing drafts
  • Durability – Protects the bottom edge of the door from wear and tear
  • Smooth Transition – Provides a neat connection between two flooring levels or materials

Why Choose Aluminium Thresholds?

Door thresholds can be made of wood, PVC, brass, or other materials, but aluminium offers unique advantages:

Feature Benefit
Corrosion Resistant Does not warp, rot, or rust – ideal for external doors
Strong & Durable Withstands heavy foot traffic without damage
Lightweight Easy to handle and install
Low Maintenance Simple wipe-clean care, no repainting or sealing
Modern Appearance Sleek finish to complement any door style

Types of Aluminium Door Thresholds

  • Flat Thresholds – Standard design for everyday use
  • Tapered Thresholds – Sloped to help water run off
  • Ramp or Beveled Thresholds – Provide smooth access for wheelchairs or prams
  • Thermal Break Thresholds – Reduce heat transfer and improve insulation
  • Saddle Thresholds – Bridge two rooms with different floor levels

Low vs Raised Thresholds

  • Low Thresholds (Flush): Great for easy access, wheelchairs, strollers, and modern interiors
  • Raised Thresholds: Offer better sealing against rain and drafts, often used for external doors in exposed areas

How to Choose the Right Aluminium Threshold

  • Measure your door width and bottom clearance carefully
  • Decide between low or raised depending on exposure to weather
  • Choose accessibility-friendly options if needed
  • Select a finish that matches your door and flooring
  • Pick heavy-duty models for high-traffic or commercial areas

Installation Tips

  1. Remove any old threshold and clean the area
  2. Measure and cut the aluminium threshold to fit
  3. Test-fit before fixing permanently
  4. Apply sealant or adhesive underneath
  5. Secure with screws in pre-drilled holes
  6. Seal edges with silicone for weatherproofing
  7. Check door operation to ensure smooth movement

Maintenance

  • Wipe with a damp cloth regularly
  • Avoid harsh abrasives to keep finish intact
  • Check screws and seals once or twice a year
  • Replace damaged sealant if needed

Why Aluminium Door Thresholds Are the Best Choice

Aluminium thresholds provide the perfect balance of strength, style, and practicality. They are durable, weather-resistant, and suitable for both residential and commercial use. Whether you want a low threshold for easy access or a raised one for extra protection, aluminium gives you long-lasting performance with a modern finish.

Upgrade your doors with aluminium thresholds for added safety, durability, and a stylish finish.

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