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The glazing you specify can have an impact on a rooms temperature and energy efficiency, so it’s important to educate your customers on the correct specification for the orientation of their home.

We offer a range of glazing options to be used with our roofing systems and they are available in a range of specifications and colour options.


What to consider when specifying glass


U-Value – Measures internal heat loss, the lower the number, the greater the insulation.

Light Transmission – The amount of natural light that penetrates through the glass to soften the impact of natural light for increased comfort.

Solar Rejection – The level of solar energy that is reflected by the glass unit. Our glass options reflect approximately three times more solar energy than standard glass.

UV Protection/Rejection – Reduces the effect of harmful UV rays allowing greater protection of furniture and fabrics.

Cleaning – A coating that actively breaks down organic materials using the power of the sun. Rainwater then washes this away meaning a greatly reduced need for maintenance.

Colour – A variety of colour choices are available to suit your customers design choices.

Specifying the correct glass

North or East Facing Specification

North or east facing locations will tend to be shady and cool receiving little direct sunlight. Glass with high light transmission and low solar rejection is a great choice as it will allow more heat and light to enter the room and warm the space.

South or West Facing Specification

A south or west facing location may be in the sun for most of the day, which brings lots of bright, natural light. The heat from the sun can also mean the room becomes too bright or unpleasantly warm, unless the correct glazing is specified. 

Choose glazing which has a low level of light transmission and higher levels of solar rejection. We can supply glass with a U-Value of just 1.0, which is three times more energy efficient than a standard glass unit.


Conservaglass is a high-performing glazing product used to ensure your customers get the best value from their investment. It comes in a range of different colours allowing you to customise the appearance with self-cleaning included as standard.

With a variety of U-Value and solar rejection options, Conservaglass is an ideal glazing product to be used in our roofing systems.

All units are 4-16-4 toughened, argon gas filled and come with black warm edge spacer as standard.

Download Glass Specifications

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