This resources page is designed to be a place where you can quickly discover a host of information i.e., Company Brochure downloads, Technical details, etc.

However, if you require any further information please use our Contact Form or speak to our Estimating Team about your needs. 


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Offering a clear choice

Whatever kind of glass structure you’re planning, Vision AGI can recommend a suitable glass that is fabricated in the UK by the leading glass processors to the highest British and European Standards.

There are thousands of different glass specification combinations available. Glass specification helps control the environment within and can assist in the minimalism of the structure’s impact and/or creatively enhance the surrounding architecture.

Glass Specification & Types

There are a number of considerations when specifying the glass for any project, which we will be able to advise you on and guide you through, taking all your needs and requirements into account.

Each different type of glass has its specific function.

Please see some of the different glass types & functions listed below:

Float Glass

Float (Annealed) Glass

Manufactured by floating molten glass on a bath of liquid tin to produce a perfectly flat surface on both sides.

Float glass is not suitable for use in overhead glazing.

Toughened Glass

Five times stronger than Float glass, Toughened glass is a cost effective safety glass and is commonly used in overhead glazing

Toughened HST Glass

Heat Soak Tested glass reduces the possibility of fractures in the glass caused by Nickel Sulphide inclusions created by the manufacturing process

Vision AGI Rooflights are HST as standard

Heat Strengthened Glass

Ideal for large overhead designs, Heat Strengthened glass can be used for additional strength to the final structure

Laminated Glass

Laminated glass is intended for increased safety, especially at height, sound insulation and UV protection

Glass Finishes & Extras

Finishes vary and can often be utilised in multiple combinations.

Etched or obscured for added privacy or environmental impact.

Solar Control Glass for increased thermal efficiency

Ritec ClearShield, Low Maintenance Coating and Self Cleaning Glass to to extend the time between cleans.

Also available, anti-reflective, blast-resistant, bullet-resistant, curved, ceramic frit/enamelled, fused, patterned, sand-blasted, screen printed and tinted to name a few…the options within glass specifications are almost endless.

Glass Face

Face is the term used to describe glass surfaces in numerical order from the exterior to the interior i.e.
Single Glass has 2 faces; Face 1 – Exterior face & Face 2 – Interior face.
Double Glazed Units have 4 faces; Face 1 Outer Pane Exterior face, Face 2 Outer Pane facing the Cavity, Face 3 Inner Pane facing the Cavity & Face 4 Inner Pane Interior face.
Triple Glazed Units follow the same pattern as above but have 6 faces.

Other Materials

Taking care of the smallest detail

While glass is the main feature in every structure we design and install, the additional elements required to fabricate the structure are equally important.


The aluminium used in our frames is manufactured in the UK to the highest standards and offers outstanding thermal insulation and security.


We use the best quality silicone sealants from Dow Corning, tested for adhesion with coated surfaces and stainless steel finishes.


The hardware and fixings used in the construction of our roof lights are specified to a minimum stainless steel grade A2.


Schüco Logo

Schüco (Schueco) are the market leader for innovative building envelopes and stands for global expertise in aluminium windows, aluminium doors, façades and solar solutions.

Visit the Schüco website
Tryka LED Logo
Tryka LED

Tryka LED Ltd has been designing and manufacturing award winning architectural LED lighting products for more than 10 years.  Tryka lighting is installed throughout the world in airports, heritage sites, hotels, leisure and retail developments, banks and even government buildings.

Visit the Tryka LED website
Saint-Gobain GlassSolutions Logo
Glass Solutions-Saint Gobain

The UK’s leading provider of glass and glazing solutions to the architectural, construction, building maintenance, door & window and insurance repair sectors.

Visit the Glass Solutions-Saint Gobain website
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Fluid Structures

Structural Engineers – they see engineering differently to many other engineers, who simply apply known knows. They see it as a constant search for solutions, an adventure or exploration into the unknown.

Visit the Fluid Structures website
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Dow Corning

Dow Corning is a leading global silicones supplier.  Established in 1943 specifically to explore and develop the potential of silicones.

Visit the Dow Corning website