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Outside Flashing Length (in.)

How Do I Measure a Skylight?

Learn how to measure a skylight for replacement from inside or outside your home.

Access the beauty of daylight, sky views and a spacious home with VELUX Deck Mounted Skylights. This economical choice gives you durability that can take nature head on – perfect for transforming your space in more ways than one!

Install with VELUX flashing for 10 Year No-Leak Warranty. 

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Velux CFU 060060 Flat Roof Skylight
CFU 060060 0020Q, ISU 060060 1093

VELUX CFU 060060 Flat Roof Skylight Fixed Base Unit & Top Cover ISU 060060

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Velux CFU 080080 Flat roof Skylight
CFU 080080 0020Q, ISU 080080 1093

VELUX CFU 080080 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 080080

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Velux CFU 090060 Flat Roof Skylight
CFU 090060 0020Q, ISU 090060 1093

VELUX CFU 090060 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 090060

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Velux CFU 090090 Flat Roof Skylight
CFU 090090 0020Q, ISU 090090 1093

VELUX CFU 090090 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 090090

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Velux CFU 100100 Flat Roof Skylight
CFU 100100 0020Q, ISU 100100 1093

VELUX CFU 100100 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 100100

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Velux CFU 120090
CFU 120090 0020Q, ISU 120090 1093

VELUX CFU 120090 Flat Roof Skylight Fixed Base Unit and Top Cover 120090

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Velux CFU 120120 Glass Dome Skylight
CFU 120120 0020Q, ISU 120120 1093

VELUX CFU 120120 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 120120

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Velux CFU 150100 Flat Roof Skylight
CFU 150100 0020Q, ISU 150100 1093

VELUX CFU 150100 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 150100

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Velux CFU 150150 Flat Roof Skylight
CFU 150150 0020Q, ISU 150150 1093

VELUX CFU 150150 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 150150

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Velux CFU 200100 Flat Roof Skylight
CFU 200100 0020Q, ISU 200100 1093

VELUX CFU 200100 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 200100

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FS A06

VELUX FS A06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C01

VELUX FS C01 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C04

VELUX FS C04 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C06

VELUX FS C06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C08

VELUX FS C08 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C12

VELUX FS C12 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS D06

VELUX FS D06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS D26

VELUX FS D26 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M02

VELUX FS M02 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M04

VELUX FS M04 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M06

VELUX FS M06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M08

VELUX FS M08 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS S01

VELUX FS S01 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS S06

VELUX FS S06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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Velux QPF 2222 Self Flashing Skylight
QPF 2222SD

VELUX QPF 2222 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 2230 Self Flashing Skylight
QPF 2230SD

VELUX QPF 2230 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 2246 Self Flashed Skylight
QPF 2246SD

VELUX QPF 2246 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 3030 Self Flashing Skylight
QPF 3030SD

VELUX QPF 3030 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 3046 Self Flashing Skylights
QPF 3046SD

VELUX QPF 3046 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 4646 Self Flashing Skylight
QPF 4646SD

VELUX QPF 4646 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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SFDA 2222

VELUX SFDA 2222 Self Flashing Skylight

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SFDA 2246

VELUX SFDA 2246 Self Flashing Skylight

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SFRD 2246

VELUX SFRD 2246 Self Flashing Skylight

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VS C01SD

VELUX VS C01 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS C04

VELUX VS C04 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS C06SD

VELUX VS C06 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS C08SD

VELUX VS C08 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M02SD

VELUX VS M02 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M04SD

VELUX VS M04 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M06SD

VELUX VS M06 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M08SD

VELUX VS M08 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS S01SD

VELUX VS S01 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS S06SD

VELUX VS S06 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C01SE

VELUX VSE C01 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C04SE

VELUX VSE C04 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C06SE

VELUX VSE C06 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C08SE

VELUX VSE C08 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE M04SE

VELUX VSE M04 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE M06SE

VELUX VSE M06 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE M08SE

VELUX VSE M08 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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Velux CFU 060060 Flat Roof Skylight
CFU 060060 0020Q, ISU 060060 1093

VELUX CFU 060060 Flat Roof Skylight Fixed Base Unit & Top Cover ISU 060060

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Velux CFU 080080 Flat roof Skylight
CFU 080080 0020Q, ISU 080080 1093

VELUX CFU 080080 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 080080

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Velux CFU 090060 Flat Roof Skylight
CFU 090060 0020Q, ISU 090060 1093

VELUX CFU 090060 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 090060

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Velux CFU 090090 Flat Roof Skylight
CFU 090090 0020Q, ISU 090090 1093

VELUX CFU 090090 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 090090

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Velux CFU 100100 Flat Roof Skylight
CFU 100100 0020Q, ISU 100100 1093

VELUX CFU 100100 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 100100

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Velux CFU 120090
CFU 120090 0020Q, ISU 120090 1093

VELUX CFU 120090 Flat Roof Skylight Fixed Base Unit and Top Cover 120090

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Velux CFU 120120 Glass Dome Skylight
CFU 120120 0020Q, ISU 120120 1093

VELUX CFU 120120 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 120120

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Velux CFU 150100 Flat Roof Skylight
CFU 150100 0020Q, ISU 150100 1093

VELUX CFU 150100 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 150100

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Velux CFU 150150 Flat Roof Skylight
CFU 150150 0020Q, ISU 150150 1093

VELUX CFU 150150 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 150150

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Velux CFU 200100 Flat Roof Skylight
CFU 200100 0020Q, ISU 200100 1093

VELUX CFU 200100 Flat Roof Skylight Fixed Base Unit and Top Cover ISU 200100

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FS A06

VELUX FS A06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

Select options This product has multiple variants. The options may be chosen on the product page
FS C01

VELUX FS C01 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C04

VELUX FS C04 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C06

VELUX FS C06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C08

VELUX FS C08 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS C12

VELUX FS C12 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS D06

VELUX FS D06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS D26

VELUX FS D26 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M02

VELUX FS M02 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M04

VELUX FS M04 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M06

VELUX FS M06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS M08

VELUX FS M08 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS S01

VELUX FS S01 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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FS S06

VELUX FS S06 Fixed Deck Mount Skylight with Solar Room Darkening Shade White

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Velux QPF 2222 Self Flashing Skylight
QPF 2222SD

VELUX QPF 2222 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 2230 Self Flashing Skylight
QPF 2230SD

VELUX QPF 2230 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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Velux QPF 2246 Self Flashed Skylight
QPF 2246SD

VELUX QPF 2246 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

Select options This product has multiple variants. The options may be chosen on the product page
Velux QPF 3030 Self Flashing Skylight
QPF 3030SD

VELUX QPF 3030 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

Select options This product has multiple variants. The options may be chosen on the product page
Velux QPF 3046 Self Flashing Skylights
QPF 3046SD

VELUX QPF 3046 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

Select options This product has multiple variants. The options may be chosen on the product page
Velux QPF 4646 Self Flashing Skylight
QPF 4646SD

VELUX QPF 4646 Self Flashing Skylight with Solar Powered Shade – Room Darkening (Double Pleated) – White

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SFDA 2222

VELUX SFDA 2222 Self Flashing Skylight

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SFDA 2246

VELUX SFDA 2246 Self Flashing Skylight

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SFRD 2246

VELUX SFRD 2246 Self Flashing Skylight

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VS C01SD

VELUX VS C01 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS C04

VELUX VS C04 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS C06SD

VELUX VS C06 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS C08SD

VELUX VS C08 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M02SD

VELUX VS M02 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M04SD

VELUX VS M04 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M06SD

VELUX VS M06 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS M08SD

VELUX VS M08 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS S01SD

VELUX VS S01 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VS S06SD

VELUX VS S06 Manual Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C01SE

VELUX VSE C01 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C04SE

VELUX VSE C04 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C06SE

VELUX VSE C06 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE C08SE

VELUX VSE C08 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE M04SE

VELUX VSE M04 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE M06SE

VELUX VSE M06 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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VSE M08SE

VELUX VSE M08 Electric Venting Deck Mount Skylight with Solar Room Darkening Shade White

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What are Deck Mount Skylights?

Deck mount skylights are a specific type of skylight installation where the skylight unit is mounted directly onto the surface of the roof deck. They are a popular choice for many homes due to their sleek design and efficient installation process.

What is the difference between curb and deck mounted skylights?

Unlike curb-mounted skylights, which are installed on a raised frame, deck mount skylights sit flush with the roofline. This design typically involves a lower profile, blending seamlessly with the roof for a more integrated and aesthetically pleasing look.

How are deck mount skylights installed? Do they require flashing?

Deck mounted skylights are fastened directly to the roof decking material. The installation process requires precision to ensure a watertight seal, making professional installation recommended. They are usually surrounded by flashing – a weatherproofing material that helps to divert water away from the skylight and prevent leaks. There are also deck mounted self-flashing skylights, which do not require rubber flashing underlayments.

Deck Mounted Skylights Benefits and Features

  • Aesthetic Appeal: Their low-profile design offers a sleek, modern look that can enhance the architectural beauty of a home.
  • Improved Natural Light: Like other skylights, they allow for abundant natural light, transforming interior spaces.
  • Energy Efficiency: Many modern deck mount skylights come with energy-efficient features, such as low-E coatings, that can help reduce heat gain and loss.
  • Ventilation Options: Some models offer ventilation features, providing fresh air and improved air circulation in the home.

Deck Mount Skylight Flashing Kits