The Gap

The gap

Nobody
likes gaps!

Polar White PVC roof window with thermal collar

The worlds only roof window with an
Expanding
Thermal Collar

FutureTherm Technology™

The gap

Nobody
likes gaps!

Polar White PVC roof window with thermal collar

The worlds only roof window with an
Expanding
Thermal Collar

FutureTherm Technology™

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 wit 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

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