• Our sealed units are made to ‘cordon bleu’ recipes
• All roof units are 4-16-4 toughened, Argon gas filled & come with warm edge
spacer as standard - better winter comfort
• All roof glass units are toughened safety glass:
4mm glass - 16 mm cavity - 4 mm glass - to comply with Building Regulations.
• Roof units are guaranteed for 10 years
Light Transmission: Percentage of light transmitted through the unit.
Solar Rejection: The proportion of the sun’s energy that is rejected. The higher the percentage the better it is.
Tier 1 = lowest
Tier 3 = highest
U Value W/m2 oK: A measure of how good the material is at preventing heat loss to the outside. The lower the figure, the more thermally efficient it is.
UV Protection: The higher the % the lower the possibility of furniture and fabrics fading.