Standard Blocks

Ideal for the main function of glass blocks – the passage of light through external and internal walls. The Standard Pattern of Glass Blocks Clear Blocks have a light transmission value of 80% with additional benefits of reducing sound by 37dB, thermal insulation (U-value) 3.0 Wm-2K-1, Solar energy Characteristics (g) 79% and compressive strength of > 9 MPa. When installed in accordance to test reports they are capable of achieving Fire Rating Levels of FRL /60/-.

Clear Pattern Range Glass Blocks
Janus Glass Blocks – two faced glass blocks
Light Control Glass Blocks
Coloured Glass Blocks
Coloured Glass Blocks – Internal (only)


Glass Block Constructions are excited to offer a new service to replace existing windows with new ones. By combining our renowned customer service with this new service you will be guaranteed a hassle-free experience. We can offer solutions to change the sizes of the existing window with ease for a competitive price. Whether it be a brick up or you would like to cut the opening for a larger window give our team a call for an obligation free measure and quote Read More