21-24cm Adjustable Anodized Aluminum Frame AK-210240

21-24cm Adjustable Anodized Aluminum Frame

Adjustable aluminum frames with a 21-24 cm range offer a practical solution for the most common wall thickness variations encountered on site. Especially in projects where layers like plaster, tiles, paint, or cladding change, causing inconsistent wall thickness, the adjustable frame system helps standardize installation quality.

The anodized coating forms a tougher, more stable surface layer on aluminum, preserving the frame’s appearance. This ensures aesthetic continuity in high-traffic areas while enhancing resistance to environmental wear.

How the Adjustable (Telescopic) System Works

This frame system is designed to accommodate greater wall thickness tolerances compared to fixed frames. Depending on the wall thickness:

• frame components are adjusted to fit the measurement
• the frame-to-wall joint closes more neatly
• risk of measurement errors during installation is reduced
• visible gaps and misalignments after installation are minimized

This design is especially advantageous for renovation projects within the 21-24 cm wall thickness range.

Technical Benefits of Anodized Coating

The anodizing process offers key advantages for the aluminum frame’s lifespan and appearance:

• Surface durability: increased resistance to scratches and abrasion
• Color stability: longer-lasting surface color retention
• Corrosion resistance: improved performance in humid environments
• Easy maintenance: simplified cleaning and upkeep

Common Applications

The 21-24 cm adjustable anodized aluminum frame is widely used in:

• Residential interior doors
• Office and commercial partitions
• Schools and educational facilities
• Hotel rooms and corridor doors
• Hospitals, clinics, and high-traffic areas (when compatible with door leaf)
• Shared entrances in residential complexes

Installation Compatibility Checklist

Key factors for successful installation of adjustable aluminum frames include matching wall thickness within the specified range and compatibility with door leaf and hardware.

Pre-installation checklist

• Is the wall thickness within the 21-24 cm range?
• Does the door size match the frame’s internal opening?
• Will level and plumb checks be performed?
• Are hinge lines and lock recess measurements accurate?
• Is the wall surface free from excessive unevenness?

These checks are critical to ensure stable door operation post-installation.

Adjustable aluminum frame systems are technical components designed to streamline installation across varying wall thicknesses and ensure a clean frame-to-wall finish. Anodized models suitable for the 21-24 cm range are preferred for their surface durability and long-term shape stability. Selecting the correct size range reduces gaps and misalignment risks after installation.