Installation Process

Expert installation made easy.

VELUX® skylight systems and Sun Tunnel® Skylights can be installed in flat or vaulted ceilings in two worry-free phases: rooftop and interior. The pros will recommend where skylight systems should be installed, so you can reap the maximum benefit from the natural light and fresh air they provide.

Installation Types

The Room

VELUX-trained pros will come inside for interior finish work and possible painting. If you have a flat ceiling, your installer will use drywall or other finish material to build a shaft from the skylight to direct the daylight into the room. This phase takes around half a day per skylight.

The Rooftop

VELUX-trained pros will cut a hole and fasten the VELUX skylight to the roof with three layers of protection to prevent leaks. Depending on the circumstances such as roof pitch and weather, the rooftop phase can take between one and three days.
2-3+ Days Total*

The Room

VELUX-trained pros will cut a hole in the ceiling to install the lower portion of the reflective tube between the roof and ceiling.

The Rooftop

VELUX-trained pros will cut a hole in the roof and install the top collar, the upper portion of the reflective tunnel, the lens and the flashing.
2 Hours*

The Room

There may be a small amount of interior drywall work depending on your replacement situation, but the majority of the replacement process will take place on the roof.

The Rooftop

VELUX-trained pros will get measurements from your existing skylights to ensure your replacements are a perfect fit, then they’ll replace your skylights
1 Day Total*

*Time estimates are based on averages. Project duration varies based on its complexity.

Get a Quote

Call us at 303-536-3743 or fill out the form to start your quote today.

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  • Nick Lahey
    I can’t recommend Skylight Specialist highly enough! They recently completed two separate projects for me, including replacing two skylights and two windows, and the experience was outstanding from start to finish. Their team was professional, knowledgeable, and took great pride in their work. The installation quality was exceptional, with attention to every detail, and they left everything clean when the job was finished. The new skylights and windows look amazing, have improved the appearance of my home, and were installed flawlessly. It’s refreshing to work with a company that shows up on time, communicates well, and delivers exactly what they promise. If you’re looking for a trustworthy company for skylight or window replacement, Skylight Specialist is the one to call. I would absolutely use them again and highly recommend them to anyone looking for top-quality workmanship and outstanding customer service!
  • Elaine H
  • Phil Norrish
    Great service. Quality hardware and workmanship.