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Smartwood Awning & Casement Windows
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Smartwood sashes and fixed lights are bead glazed on all sides for as maximum 6.38mm single glazing and 24mm double glazing. A special bead also allows the inclusion of 32mm double glazed units featuring the Screenline internal blind system.

Continuous sightlines are optional across sashes, doors and adjoining fixed lights on all products. French casements are possible.

Key Features
  • A suite of composite windows and doors with an interior timber facing for aesthetic appeal and a hard wearing aluminium exterior
  • For architectural and residential applications
  • Generous 24mm weather cover on frame
  • Continuous sightlines are optional across awning, casements and adjoining fixed lights
  • French casement pairs available using French door frame and rebated meeting stiles
  • Four different size mullions are offered, all projecting internally
Scope of Use
  • Suitable for the full spectrum of residential environments
  • Awning windows provide versatile ventilation with a good degree of weather protection
  • Casements can direct breezes inside and have a traditional aesthetic
  • Need to be used in defined maximum sizes according to the wind exposure
Limitations on Use
  • Care needed if projecting on to walkways and decks. Restrictor stays can limit opening in such situations
  • Restrictors will be needed to conform to NZBC F4 'Safety from falling' if windows open on to a drop of 1m or more 
  • Consider a horizontal sliding window to protect walkways
  • Caution is required for the use of casements which open directly into prevailing winds
  • Casements beyond benches may have top fasteners that are hard to reach
Statement of Building Code Compliance
  • Designed, tested and manufactured to meet NZS 4211: Performance of Windows, and NZS 4233:  Glazing in Buildings, Parts 1-4
  • Designed and tested to conform to NZ Building Code, including Clause E2
  • Restrictors will be needed to conform to NZBC F4 'Safety from falling' if windows open on to a drop of 1m or more 
In-Service History
  • Launched in 1997
  • Some design upgrades implemented
  • Widely used by homeowners, builders and specifiers
Other Performance Attributes
  • Window and door warranty provided under normal conditions of use against failure of materials and workmanship for a period of five years
  • Smartwood products need sealing after installation with an appropriate finish e.g. oiled, varnished, stained or painted; regular care and restoration recommended
  • Aluminium surface finish is covered by a separate performance warranty dependent on the actual finish selected
  • A hardware/componentry warranty is offered against defects in manufacturing, functionality and surface finish for a period of five years, provided care and maintenance guidelines have been followed
Data Sheet
Span Tables
Altherm Care, Maintenance & Warranty Brochure (with AGP)


Full Specification
Specification Clause
Specifier Guide
WGANZ Guide to E2/AS1
Altherm Design Brochure


AGP Cleaning & Maintenance
AGP Condensation Guide
AGP Visual Quality of Glass
APL and Sustainability


Manufacturer Contact List
CAD/PDF Details
Full Set of Drawings
Altherm Smartwood Awning Window and Fixed Light


Altherm Smartwood Awning Window and Fixed Light


Altherm Smartwood Awning Window French Casement


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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