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Elemental Hardware
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Elemental — sleek, clean minimalism — as its name implies, the Elemental hardware range strives for simplicity.

Architect-designed with the goal of eliminating frills and fuss, Elemental is a unique range of hardware that is made from extruded aluminium, and is anodised.

All APL hardware comes as a complete package, including locking mechanisms. 

Key Features
  • Minimal design and straight-edged shapes
  • Precision machined with high accuracy
  • Available in silver and black anodised finishes in 25 micron thickness
  • Fully concealed fixing screws


Pull Handle: Available in two sizes — large or small, but can be made to any length by special order. The sliding door handle is separate from the lock, which is operated by a key or snib.

  • Small — 250mm high
  • Large — 325mm high

Flush Pull: Ideal for lighter sliding panels. The lock is mounted separately from the pull, and is operated by a key or snib.

  • 269mm high x 44mm wide

Lever Door Handle: Available in two sizes — small or large.  Snib or key operation is available for secure four-point locking.

  • Large — handle length 140mm, baseplate 292mm
  • Small — handle length 125mm, baseplate 221mm

Bi-Fold Handle: A sleek swivel lock that activates locking rods in the top and bottom of the door or window panel.

  • 160mm high x 34mm wide

Espagnolette Window Fastener: Single hand, robust operation. Which includes a secure venting position. Available February 2018.

  • High profile — 110mm wide x 37mm high
  • Low profile — 110mm wide x 21mm high
Scope of Use
  • Suitable for residential and light commercial applications
Statement of Building Code Compliance

All products supplied by Altherm Window Systems meet or exceed the requirements of the New Zealand Building Code and New Zealand Standards; NZS4211, Performance of Windows, and NZS4223, Glazing in Buildings - Parts 1-4.

Other Performance Attributes

A warranty for all Altherm Window Systems products is provided, under normal conditions of use, against failure of materials and/or workmanship for a period of 5 years. 

Altherm on Masterspec
WGANZ Guide to E2/AS1
Altherm Care, Maintenance & Warranty Brochure (with AGP)


Altherm Design Brochure


APL and Sustainability


Manufacturer Contact List

Stylish contemporary lines, effective thermal technology and unwavering attention to detail have made Altherm a favourite with architects, designers and homeowners across New Zealand.

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