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 Silicon Valley Skylight 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 408-706-2391 or fill out the form to start your quote today.

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  • Lynn Patch
    Steve & crew replaced 12 skylights in my home. Their professionalism, promptness and attention to detail exceeded my expectations. Highly recommend!
  • Fs Nq
    Steve replaced an old leaking skylight at our house earlier this year. Based on his excellent work we recently hired him again to replace the remaining four old skylights. This work was more complicated because of the construction type and difficult access. Steve spent as much time as was needed to do an outstanding job installing the four skylights. Steve is highly recommended.
  • Marcoantonio Salazarlomeli
    We had Steve and crew install 6 new skylights and blinds in our family room, stairs, and master shower. I also had them add Sun Tunnels to my entry and 2 bathrooms. They did all the work including painting so I did not need to find someone to do the interior work. I am happy to have the light coming into my home, and it is like a new home. They protected my floors and furniture from the construction dust and debris and cleaned up after themselves daily.