
Fixed Glass Skylight
A closed glass skylight for living rooms, stairwells and spaces where daylight is the priority. Available with double- or triple-glazed Low-E options.
Best for Additional daylight without ventilation.
Compare glass optionsResidential daylighting
Bring daylight into your home. Choose a fixed skylight for a view of the sky, or a manual or electric model for fresh air too.
Choose how it opens
Start with daylight alone, or add ventilation with a control that suits the height of your ceiling.

A closed glass skylight for living rooms, stairwells and spaces where daylight is the priority. Available with double- or triple-glazed Low-E options.
Best for Additional daylight without ventilation.
Compare glass options
Open by hand to bring in fresh air and let warm air escape. A removable insect screen helps keep insects outside.
Best for Daylight and ventilation with manual control.

Open and close the skylight with a powered operator, without reaching for a crank or pole. Includes a removable insect screen.
Best for High skylights where convenient powered ventilation is preferred.
Match the control to your venting skylight. Fixed skylights do not require operating hardware.
For manual venting skylights

A crank handle is included as standard with all manual venting skylights, for operation when the skylight is within reach.
For manual venting skylights that are out of reach. Available in extendable lengths of 4–6 ft and 6–10 ft, with an eyelet adapter included.
Compatible with manual venting curb-mount and self-flashing skylight models.
For electric venting skylights

A powered motor and wall switch provide straightforward opening and closing.
A handheld remote controls the motor. The rain sensor closes the skylight when it detects moisture.

Operates from 110 V household power. Confirm the selected package and electrical requirements before installation.
Comfort through the seasons
Three featured options for fixed skylights. Explore the complete range in the specifications below.
Two panes · One insulating chamber
An additional interior Low-E coating helps reduce heat transfer.
Three panes · Two insulating chambers
The lowest U-factor among the fixed-skylight options compared below.
Two tempered panes + laminated inner pane
A bonded interlayer in the inner pane helps retain glass fragments after breakage.
Illustrative cross-sections, not to scale. Colours distinguish the layers; they do not represent glass tint. Low-E coatings are not shown.
Lower U-factor means better insulation. Whole-product values in W/m²·K.
| Fixed model | Double · i-89 | Triple Clear | Triple Laminated |
|---|---|---|---|
| Outside Fastening GL VCM-OF | 2.27 | 1.76 | 2.10 |
| Inside Fastening GL VCM-IF | 2.44 | 1.87 | 2.27 |
Heat transfer through the complete skylight. Lower values mean better insulation.
The fraction of solar heat admitted. Lower values mean less solar heat gain.
The fraction of visible daylight transmitted. Higher values mean more light passes through.
For your project specifications
Select the fastening model to explore glazing ratings and tested performance.
Published product-data values for the identified fixed models. Confirm ratings and availability for the ordered size and configuration; the NAFS dimensions above identify the tested specimens, not every available size.
From roof to lightwell

Installed over a prepared site-built curb. Coordinate the curb, flashing and roof assembly with the selected model.
Aluminum exterior frame, thermally broken PVC base and an integrated four-sided condensation gutter.
Glass skylights require a slope of approximately 10°. A flat roof needs a suitably sloped curb.
Standard and custom sizing, exterior colour options, and removable screens on venting configurations.
Inside the home
Explore daylight above living spaces, kitchens, bathrooms and stairwells. These images illustrate room and product possibilities.

Product literature
Download the brochure for your skylight configuration.
Plan your project
Not sure whether fixed, manual or electric venting is right for your project? Our team can help compare configurations, glass, controls, sizing and installation requirements.