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 Colorado Skylights 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 303-529-2615 or fill out the form to start your quote today.

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  • Ali Oli
    This is an ethical contractor. The team is professional, skilled and courteous. Had 2 skylights and a house fan (quietcool division) installed and are very happy with both. When there were issues they were quick to resolve. Highly recommended.
  • Anita Hennessy
    We needed to replace leaking skylights and Colorado Skylights did a great job for my daughter so we called them. So glad we did! The team was careful and efficient and we now have three bigger bright skylights in the sunroom and with one that opens and shuts automatically. Couldn't be more pleased. Thanks to all!
  • Molly Hennessy
    I have had such trouble with finding reliable company to help us with anything in this old house and when we decided we wanted a skylight, we figured it would be another situation that we would have to battle. Not the case- the guys came in and got the job done- didn’t leave a mess, didn’t overcharge- all with smiles. I can’t thank them enough- a true breath of fresh air! Thank you team again!!!