VELUX VCS 3046 solar-powered venting skylight shown in open position, featuring a slim curb-mounted frame and chain-operated mechanism.
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30 ½ x 46 ½, VCS 3046, Solar Powered Venting Curb Mount Skylight with Room Darkening Shade

VELUX
SKU:
VCS 3046 2004S
$1,961.00
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VELUX VCS 3046 2004S – Solar Powered “Fresh Air” Skylight

Bring natural light and fresh air into your home with the VELUX VCS 3046 2004S, a solar-powered venting skylight designed for curb-mounted applications. With no wiring required, this model uses clean solar energy to operate—making it an ideal solution for both new installations and retrofits. The built-in solar panel charges a concealed battery, allowing you to open and close the skylight with the included remote, even on cloudy days.

This unit is perfect for kitchens, bathrooms, vaulted ceilings, or any space that benefits from fresh air circulation and daylight. The integrated rain sensor automatically closes the skylight at the first sign of rain, while the laminated Low-E3 glass provides enhanced safety, UV protection, and improved energy efficiency. Built to withstand the elements, the VCS 3046 meets building code requirements and qualifies for a 26% Federal Solar Tax Credit, offering long-term performance and value. 

Key Features & Benefits

  • Solar-Powered Operation – Powered by an integrated solar panel; no wiring or electrician required.
  • Remote Control Included – Operate the skylight remotely, ideal for out-of-reach ceilings and hard-to-access areas.
  • Built-in Rain Sensor – Automatically closes the skylight when rain is detected, offering hands-free protection.
  • Tempered Over Laminated Low-E3 Glass – Improves thermal performance, blocks UV rays, and meets safety code standards.
  • Curb-Mounted Design – Designed to install on a site-built curb, compatible with a variety of roofing types.
  • Size: 30½" x 46½" (Inside Curb)
  • Outside Curb: 33½" x 49½" – Provides generous light and ventilation for medium to large rooms.
  • VELUX 10-Year No-Leak Installation Warranty – Valid when installed with approved VELUX flashing systems.
  • Certified for Florida & Texas Codes – Includes Florida Product Approval (#13560) and Texas Department of Insurance Approval (TDI SK03).
VCS 3046 Sizing Dimensions VCS 3046
Inside curb (W"xH") 30 1⁄2 x 46 1⁄2
Outside curb (W"xH") 33 1⁄2 x 49 1⁄2
Maximum skylight clearance (W"xH") 34 5⁄8 x 50 5⁄8

If you're looking for more skylight control options, WE've got you.

Looking for a different size?  Shop by size below.

VCS Size Code 2222 2234 2246 3030 3046 3434 4646
Inside curb (W"xH") 22½ x 22½ 22½ x 34½ 22½ x 46½ 30½ x 30½ 30½ x 46½ 34½ x 34½ 46½ x 46½
Outside curb (W"xH") 25½ x 25½ 25½ x 37½ 25½ x 49½ 33½ x 33½ 33½ x 49½ 37½ x 37½ 49½ x 49½
Maximum skylight clearance (W"xH") 26⅝ x 26⅝ 26⅝ x 38⅝ 26⅝ x 50⅝ 34⅝ x 34⅝ 34⅝ x 50⅝ 38⅝ x 38⅝ 50⅝ x 50⅝

Curb Mount

Roof Pitch

Flashing

A curb-mounted skylight is designed to sit on a raised curb structure built on the roof, making it a flexible option for both new installations and replacements. It’s especially well-suited for flat or low-slope roofs and simplifies installation when replacing older units or working with thicker roofing materials.

 

Compatible with roof pitches from 0:12 to 20:12 (0° to 60°), curb-mounted models are ideal for retrofits, homes with existing curbs, and roofing types like torch-down, TPO, modified bitumen, or tar & gravel.

 

Flashing options include ECL low-profile flashing for flat or low-slope roofs with membrane or rolled roofing; ECW step flashing for shingle or shake roofs with a minimum 3:12 pitch; and EMW flashing, custom-fit for standing seam and corrugated metal roofs.