Energy Efficient Glazing

Choose a high performance glazing option to maximise energy efficiency.

Keylite Roof Windows can be supplied with a wide range of glazing variants including thermal properties, tinted, frosted and self-cleaning glass.

Standard Glazing

Hi-Therm (HT)

  • 4mm toughened outer pane.
  • 18mm Argon gas filled cavity.
  • 6mm inner pane.
  • Ideal safety glazing for windows below 800mm from finish floor level or windows above head height.
  • Improves sound reduction, safety and a reduction in the harmful effects of UV light.
  • Warm edge glazing unit.
Glazing Type Ug W/(m2.K) Rw, r dB g Tv Tuv
HT (Hi-Therm) 1.1 36 64 81 0

Triple (KTG)

  • 4mm toughened outer pane.
  • 10mm Krypton gas filled cavity.
  • 4mm inner pane.
  • 8mm Krypton gas filled cavity.
  • 4mm inner pane.
  • Triple glazing offers a lower U value.
  • Warm edge glazing unit.
Glazing Type Ug W/(m2.K) Rw, r dB g Tv Tuv
KTG (Triple) 0.6 32 55 74 31

Integral (I)

  • An integral blind sealed in the glazing unit, offering protection against moisture and dust.
  • 4mm toughened on outer pane.
  • 20mm Argon gas filled cavity.
  • 4mm inner pane.
  • Options for manual or electrical operation
  • Ideal for kitchens or bathrooms.

Note: U-Value is based on a centre pane measurement. Integral blind glazing unit is manufactured with thermal glazing and is not available with triple or Hi-therm glazing.

Glazing Type Ug W/(m2.K) Rw, r dB g Tv Tuv
I (Integral Blind) 1.1 32 0.74 82 44

Tint Options

Bronze (BRT)

Frosted (FR)

Self-Cleaning (SC)

Finish Options

We offer 3 different internal finishes to suit every environment.


Operation Options

We offer different operations to suit every need.


Get In Touch

By Phone

If you would like to learn more about the glazing options available, please call our Customer Service Team: 01283 200 158

Call Now

By LiveChat

We are available on LiveChat to answer any queries you may have.
Monday - Friday, 9am-5pm

By Email

We are always available via email to talk about our glazing options. Simply send an email to us:

Get In Touch

Get News & Offers

1 Step 1

Keylite Roof Windows is 100% Merchant Dedicated

Share This


Oh Dear!

Your Basket Is Currently Empty.
Go to shop