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TempaFloat™ Toughened Safety Glass
Description

TempaFloat™ is thermally toughened safety glass with increased mechanical and thermal strength compared with standard annealed glass.

The glass is heated to approximately 650°C and rapidly cooled to create compressive stresses across its surface. If broken, TempaFloat™ fragments into relatively small particles rather than large, sharp shards, reducing the likelihood of serious injury

Key Features
  • Greater mechanical strength than standard annealed glass
  • Increased resistance to thermal stress
  • Grade A safety glass option for human-impact locations
  • Breaks into relatively small particles if fractured
  • Suitable for internal and external glazing
  • Available in a range of thicknesses and sizes
  • Can be used in windows, doors, partitions, showers and selected balustrade applications
  • Can be incorporated into insulating glass units
  • Available with selected tints, coatings, decorative finishes and digital printing
  • Manufactured locally using Metro’s glass-toughening capability
  • Metro’s Auckland furnace can process panels up to approximately 5.1m x 2.4m, subject to glass type, thickness and manufacturing review
Scope of Use

TempaFloat™ Toughened Safety Glass is suitable for residential, commercial and architectural applications requiring increased strength or safety glazing.

Typical applications include:

  • Windows and glazed doors
  • Commercial shopfronts
  • Frameless glass doors
  • Internal glass partitions and screens
  • Shower enclosures and bathroom glazing
  • Splashbacks
  • Selected balustrade and pool fence systems
  • Façade glazing
  • Insulating glass units
  • Furniture and interior glass
  • Selected structural and point fixed glazing systems

Glass thickness and make up must be selected for the panel dimensions, support conditions, wind pressure, human impact requirements and intended application.

Metro’s Auckland furnace can process panels up to approximately 5.1m x 2.4m, subject to glass type, thickness and manufacturing review.

Limitations on Use
  • Toughened glass does not remain intact after breakage and may not be suitable where post-breakage retention is required.
  • Monolithic toughened glass must not be used as a barrier protecting a fall unless incorporated into a compliant, specifically designed system.
  • Heat-soak testing should be considered where spontaneous breakage could present an unacceptable safety, access, replacement or disruption risk.
  • The glass must be installed in accordance with Metro’s glazing requirements, the relevant system documentation and the current New Zealand Building Code.
Statement of Building Code Compliance

When correctly selected, designed, manufactured and installed, TempaFloat™ Toughened Safety Glass complies with or can contribute to compliance with relevant provisions of the New Zealand Building Code, including:

  • B1 Structure
  • B2 Durability
  • E2 External Moisture, as part of a complete external glazing system
  • F2 Hazardous Building Materials
  • F4 Safety from Falling, where incorporated into a specifically designed and compliant barrier system
  • G7 Natural Light

TempaFloat™ safety glass is manufactured in accordance with AS/NZS 2208. Glass selection and installation must follow the applicable requirements of NZS 4223 and the project-specific glazing design

Other Performance Attributes
  • Increased mechanical strength compared with annealed glass
  • Increased resistance to temperature changes and thermal stress
  • Fragments into relatively small particles when broken
  • Suitable for human impact safety glazing where appropriately selected
  • Safety glass manufacture is subject to Metro’s quality control processes
  • Final structural performance depends on glass thickness, panel dimensions, edge quality, fixing method, support conditions and applicable loads
  • Heat soak testing is available where a reduced risk of spontaneous breakage is required

Warranty & Maintenance

  • 10 year double glazing warranty
  • Refer to the attached Metro Performance Glass warranty document and registration link
  • Maintain in accordance with the attached Metro Performance Glass care and maintenance guide
Documents
Warranty
SafeLite Brochure

Metro Performance Glass delivers locally made, high performance glass and glazing solutions, supported by nearly 40 years’ experience and New Zealand’s largest installation capability.

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