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The Gap

Nobody
Likes Gaps!

The worlds only roof window with an Expanding Thermal Collar

FutureTherm Technology™

Nobody
Likes Gaps!

The worlds only roof window with an Expanding Thermal Collar

The problem:
High Condensation Risk

When left un-insulated, the gap in the roof allows a cold bridge through the frame, cooling the internal surface to below due point temperature.

This causes condensation to form on the frame which can run off onto surrounding surfaces with the risk of mould growth.

Cold Bridging

Condensation

Mould growth

Keylite’s Solution:
No Condensation Risk

Only with Keylite do you get an integral Thermal Collar that expands to fill and insulate this gap.

Other manufacturers will sell you a separate thermal collar to insulate this gap (very few people actually purchase a separate thermal collar) and your installer may fail to insulate this gap.

No Extra Cost

Fully Insulated

No Condensation

Service & Support

Our technical experts are on hand to advise and assist you at the design and specification stage.

Patented Innovation

Our patents mean that other conventional roof windows do not share many of our extraordinary features.

10 Year Guarantee*

We are confident that our products will give trouble free performance throughout this period and beyond. *See Guarantee terms

Buy Online

Available in
Great Britain, Northern Ireland & Republic of Ireland

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