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Residential Shugg Vertical Sliding Windows
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Shugg Vertical Sliding windows have moving panes of glass and provide unobtrusive non-projecting ventilation. In single glazed configurations no horizontal rails are seen.

The standard option is double hung with two panes sliding in one action, or single hung with one pane sliding (generally the bottom) and one pane fixed. A motor-driven single sliding pane option is available with top or bottom pane fixed.

Key Features
  • For mainstream residential use
  • Colonial or contemporary frame option
  • Easy cleaning feature for sash exterior
  • Sloped sill and square cut jambs for traditional appearance
  • Single or double glazed panel option available
  • Both panels move independently
  • Shugg window available where moving panes of glass substitute for aluminium sashes
Scope of Use
  • A versatile option where non-projecting windows are wanted
  • Need to be used in defined maximum sizes according to the wind exposure
  • Consider the ease of reaching to the window catch if the sliding panel is placed beyond a bench
  • Work well with insect screens 
Limitations on Use
  • Opening gap at sill may need to be restricted in high window situations
  • Consider the ease of reaching to the window catch if the sliding panel is placed beyond a bench
  • Inward opening feature for window cleaning needs to be done carefully and held by hand at all times
  • Shugg windows need careful consideration before being fitted in exposed situations 
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
In-Service History
  • Launched in 2005
  • 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
  • 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
Altherm on Masterspec
Full Specification
Specification Clause
Specifier Guide
Declare Label


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


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 Residential Shugg Single Hung Window


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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