Skylight & Atrium Glazing Systems

By Thermosash
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Thermosash Alpha Glazing System - capped, skylight & atrium glazing bar systems. This design style of overhead glazing employs an aluminium extrusion that encapsulates a minimum of two edges that are then connected back to the primary structure.

Engineering

Due to potential exposure to high wind, seismic, snow, and live loads etc, it is necessary for these types of systems to be specifically designed and engineered.

The sophistication required of products used in overhead glazing can often be overlooked; the special design features required to cope with and overcome considerably higher water loadings, heat gain or loss (which introduces condensation) and in particular the risk associated with accommodating costly higher specification products (e.g. high performance laminated and insulated glass units) without compromising their product warranties.

Innovation and providing custom specific design solutions has always been the foundation on which Thermosash has developed its suites. Our growth has been influenced by constant research and development and being aware of overseas trends.

Section Sizes The suite is adaptable to fit a range of 55-80mm.

Details
  • Category
    Skylights and Roof Windows
General
  • Type of use
    Commercial
  • Care and cleaning
    Professional cleaning required
  • Installation
    Professional installation required
Scope of use

The Thermosash Alpha Glazing Suite can be used externally for canopies or internally for skylights as a sophisticated and high performance solution for all high-end skylight and sloped glazing applications. The system also offers an economical solution for factories, warehouses, hangers and grandstands.

  • Lean-to skylights
  • Ridge skylights
  • Double pitch skylights
  • Pyramid skylights
  • Multi-facetted pyramids
  • Hip ridge skylights
  • Segmented barrel vault skylights
  • Curved barrel vault skylights
  • Vertical glazing
Features

This suite is particularly versatile, incorporating specific features required for use in overhead glazing which include:

  • Alpha glazing suite integrates with the Thermosash Delta Suite.
  • Can be installed to a minimum slope of 5o
  • Integral drainage cavities.
  • Commercial glazing engagements to cope with higher wind loads.
  • Condensation control (where specified).
  • Thermal break.
  • Ability to provide a different colour from inside to outside.
  • Can accommodate all recognized glass thicknesses used in commercial glazing.
  • Special splicing and connection features critical for weathering.
  • Almost any type of glass can be incorporated including ceramic fritting to provide an element of solar shading corporate motif.
  • The Alpha range can incorporate opening sashes or banks of louvres - BMS operated if required.
  • The Alpha systems are dry glazed unless aesthetically otherwise required.
  • Bars are designed to accommodate co-extruded backing gaskets to minimise long term shrinkage problems.
  • Glass is retained with gaskets fitted inside and out, primarily as a weather seal, but also to cushion against vibration and potential glass breakage.
More detail...

Specification 

We recommend using Masterspec 4251T Commercial Windows when specifying this suite type.

Surface Finishing 

Polyester powdercoat  - Both standard and special colours available.
Anodised - All anodised colours available - commercial grade 20 micron finish recommended.
PVF2 Flourocarbon finishes - Available on request .

Performance / Testing

  • AS/NZS1170 (Structural Design Actions)
  • NZS4211 (Performance of Windows)
  • NZS4223 (Glazing in Buildings)
  • NZS/AS4284:2008 (Water / Air Pressure/ Air Leakage - Meets and exceeds minimum requirements)

Maximum Spanning Ability

Glass size and primary structure support is your only limitation. We can source your specific glass requirements to meet your projects needs.

Thermosash specifically engineers the best suite option for your project taking into consideration span, structural system, load imposed by glass thickness, wind & snow loading. The spanning ability will vary depending on the above. 

Thermosash Suites are recognized as having the largest spanning systems on the market due to our specific engineering capability and the customised nature of the work we complete.

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Thermosash is New Zealand’s largest commercial window, curtainwall, total clad façade designer, manufacturer and contractor - local since 1973.               

As a world class supplier of engineered façades, we provide, through constant evolution of our product range, systems that are trusted and proven.

“Our work at Thermosash is critical to the building industry. Our prefabricated design specific engineered building envelopes shape the appearance of our skylines: offering comfort to occupants from heat and cold, protection from the elements, respite from the acoustic discomfort of busy cities and pleasure to those who appreciate the built environment”. David Hayes, Group Managing Director.

Our growth since 1973 demonstrates that the strength we offer the building industry is underpinned by supplying quality, long lasting, engineered building envelope systems. Our ability to meet tight lead times and on-site programmes, our acceptance of transfer of design responsibility, our engineering, manufacturing, logistics and on-site capabilities, together with our team’s passion and quality service commitment enables us to remain at the forefront of the facade subcontracting industry.

Our Expertise
Thermosash’s abilities have grown since its 1973 start-up when Laurie Hayes and his colleagues manufactured commercial windows out of a small production facility. It quickly became apparent that the products and skills of the workforce were creating a performing quality, flexible product that the market sought.

Over time, our teams of dedicated and committed people have grown, this has been possible through constant reassessment of internal and external processes and manufacturing methods from around the world. We’ve also provided ongoing reinvestment in the training of our people to ensure lean process, IT Systems, material handling machinery and transport logistics equipment, as well as design office and factory production process improvements. We are able to offer a world class company with manufacturing facilities in Auckland, Wellington and Christchurch.

Our Offering
We offer an extensive range of cost effective, high performance rainscreen, pressure equalised window, door and façade solutions to suit any commercial project. Our products are incorporated in high-rise office blocks, apartment buildings, shopping centres, airports, institutions, hotels, industrial complexes and quality architectural homes.

In addition to offering bespoke façade solutions for new builds, we are experts in recladding, rainscreen over-cladding and the refurbishment of existing façades.