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FAQ

Geelong’s experts answer all your questions regarding glass blocks, glass screens and more 

We often get asked the same questions about who we are, what we do, and how we can help with your glass repair and installation requirements. We’ve answered these questions for you below, and the answers cover everything from how glass is made, to questions about our specific products, from splashbacks to glass blocks. 
If you don’t see you question answered below, please feel free to contact us on 03 5222 0111 to discuss your question.
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How is glass made?

Glass is a made by melting a mixture of sand and other minerals in a furnace at temperatures of 1700 degrees Celsius.

Silica, in the form of sand, is the main ingredient of glass, and this is combined with soda ash and limestone in special pots which are placed into the furnace. Broken, recycled glass known as 'cullet' is added to the ingredients to speed up the melting process. Other materials can be added to produce different colours or properties. For example, adding the minerals cobalt or sulphur will produce coloured glass.

A recipe for glass

  • sand or silica (SiO2)
  • sodium carbonate (Na2CO3)
  • limestone (CaCO3)
  • magnesium carbonate (MgCO3)
  • additives to improve the quality of the glass, and to colour the glass

While it is still molten (a hot liquid), glass can be manipulated by glass blowers, blowing air into the liquid through a long pipe, to form bottles and other decorative articles.

In factories today, bottle blowing machines produce bottles and jars by pressing and blowing the molten glass inside a mould. Flat glass is made by floating the molten glass onto flat beds of tin. Glass can also be coated, heat-treated, engraved, or decorated. It is used to make optical fibres for use in medicine and for parts for modern communications.

History

According to the ancient-Roman historian Pliny (AD 23-79), Phoenician merchants transporting stone actually discovered glass (or rather became aware of its existence accidentally) in the region of Syria around 5000 BC. Pliny tells how the merchants, after landing, rested cooking pots on blocks of nitrate placed by their fire. With the intense heat of the fire, the blocks eventually melted and mixed with the sand of the beach to form an opaque liquid which, when cooled down, became glass.

Is there a maximum length for glass splashbacks?

We try not to go over 4 metres in length for ease of handling both in our factory and also in your home.

How many colours are available for glass splashbacks?

All of our colours are chosen from the DULUX MASTER PALLET FAN DECK RANGE of colours.

Is toughened glass needed in splashbacks?

The general rule of thumb, is if it is behind the hot plates or cooktop, then toughened glass is needed.

What is the turnaround time for a glass splashback?

Usually from the time the final measure is done, we will have the splashback installed within 3 weeks.

What sizes do glass blocks come in?

The most popular size is the 190x190x80 blocks. Other sizes are 240x240x80 and 300x300x100.

What type of frames for glass blocks are available?

The most common frame is the BLOK-UP ALUMINIUM frame which is available in a range of powdercoat colours. Otherwise CEDAR is also available.

Can I install the glass blocks myself?

Yes, the BLOK-UP system is very easy to install by any D.I.Y. minded person. There is also an instruction video available with easy step by step instructions to follow.

Are there many patterns to choose from?

The most popular pattern available would be the "FLEMISH" pattern and there are always many new products coming into our shop.

What area does Highmont Glass cover?

We basically cover the state of Victoria for any onsite work, and cover other states in Australia and other countries including Canada and the UK for deliveries other items.
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