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Overhead Glazing Systems
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Description

A range of overhead glazing bars and roof windows cater for a variety of commercial and residential applications. Bars with a drainage system and condensation collection system are available.

A structurally glazed Thermal Heart roof window for maximum thermal efficiency is available in both opening and fixed options. This is supplied with a 24mm IGU, Argon gas fill and low-e inner pane. A large range of sizes is available, including large expanses for the fixed Thermal Heart window through the use of an added mullion.

Key Features
  • For commercial and residential applications
  • Glazing bars retain glass in sloping positions
  • A range of overhead glazing configurations is possible including lean-to, ridge line, double pitch and pyramid structures
  • Bars with a drainage system and a condensation drainage system are available
  • A glazing cap system for timber rafters is available
  • A non-thermally broken opening roof window can be set within surrounding glazing bars 
  • A thermally broken, ThermalHEART opening roof windows is available
  • Hinged on the lower side the ThermalHEART roof window allows secure opening when required
  • Fixed window option available
  • Structural glazed design means flush edges — no ponding of water allows windows to be installed to low pitches (minimum 5°)
  • Manual or electric opening options
  • ThermalHEART window is capable of dual colour — one colour to match interior schemes and one to match the roof colour;
Scope of Use
  • Suitable for residential and commercial environments
  • Need to be used in defined maximum sizes
Limitations on Use
  • For glazing bar use, sizing will depend on glazing bar choice, wind loadings, span limitations, bar spacing and glass thickness — an engineer’s report may be required 
  • To minimise condensation double glazing is recommended in most applications
  • Minimum pitches apply e.g. ThermalHEART roof window requires minimum 5° pitch
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
  • The glazing bar range was launched in 1997; ThermalHEART roof window in 2008
  • Some design upgrades have taken place
  • Widely used by 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
E2 External Moisture compliant
External Moisture
Documents
Data Sheet
Altherm Care & Maintenance Brochure

2017

Producer Statement / Warranty

2017

Specifier Guide: Over Head Glazing
Specifier Guide: Roof Window
WGANZ Guide to E2/AS1
APL and Sustainability

2019

Manufacturer Contact List
CAD/PDF Details
Full Set of Drawings
Altherm Overhead Glazing Systems A100GB Glazing Bars Fixed Skylight, Small Fin Rafter

ACOG01-0

Altherm Overhead Glazing Systems A100GB Glazing Bars Fixed Skylight, Small Fin Rafter

ACOG02-0

Altherm Overhead Glazing Systems A100GB Glazing Bars Gable Glazing Lean-To, Small Fin Rafter

ACOG03-0

Altherm Overhead Glazing Systems A100GB Glazing Bars, Double Pitch Ridge Skylight, Large Fin Rafter

ACOG04-0

Altherm Overhead Glazing Systems Glazing Bars Double Pitch Roof

ACOG05-0

Altherm Overhead Glazing Systems Glazing Bars Pyramid Roof

ACOG06-0

Altherm Overhead Glazing Systems Glazing Bars, Timber Single Glazed

ACOG07-0

Altherm Roof Window With Thermal Heart

ACOG08-0

Altherm Fixed Skylight With Thermal Heart

ACOG09-0

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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