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 at Alpine Skylights & Carpentry 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 815-768-3865 or fill out the form to start your quote today.

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  • Debbie Bromley
    Larry went above and beyond what would be expected to make sure our skylights were done quickly. Highly recommend the company.
  • Gerard Degelder
    The team just installed our new Velux adjustable skylight and is is outstanding they team was clean quiet and quick install looks a lot better than anticipated we were expecting a little dry wall work afterwards but in the install didn’t damage any dry wall supremely happy!
  • Gene Mortimer
    Larry & Drake did a great job with our 2 new skylights. Very professional and friendly. Larry explained everything very clearly and there were no surprises. I would highly recommend them!