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4.6

(59 reviews)

Top-rated skylight pros.

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Avatar for Complete Skylights
Complete Skylights
4.5(
58
)

Serving Mount Prospect, IL and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Ron at Complete Skylights was outstanding to work with. His response time was unbelievably fast, and he took the time to carefully review the photos I sent. He asked all the right questions and helped me realize the real problem was a humidity issue, not the skylight itself. His expertise and willingness to help were greatly appreciated. I highly recommend Ron and Complete Skylights."
Finished
Before work
Finished
Response time1 day
19 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for NSS Exteriors
NSS Exteriors
4.2(
61
)

Serving Mount Prospect, IL and surrounding areas

Approved

In business since 1966

Free estimates

Warranties offered

"Replaced an old skylight in my kitchen that was leaking. Excellent, polite service. Cleaned everything up in my kitchen once job was finished."
Residential Skylights
Residential Skylights
Residential Skylights
Residential Skylights
Commercial Skylight

+5

Response time2 days
15 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Rogers Roofing
Rogers Roofing
4.6(
131
)

Serving Mount Prospect, IL and surrounding areas

Approved

In business since 1968

Free estimates

Warranties offered

"Competitive pricing, Quality premium level architectural shingles, Quality of work, Hard working people tear down and install roofing in one day and cleaned up debris on the same day. Everything was done per schedule, Vlad Smolyanov sales person took lots of time to explain the options, checked existing roofing, recommended the right kind of shingles and very professional to work with. I highly recommend Victorâ s roofing."
Roofing Project
Roofing Project
Roofing Project
Roofing Project
Roofing Project

+7

282 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Apex Window Werks, Inc.
Apex Window Werks, Inc.
4.1(
342
)

Serving Mount Prospect, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Warranties offered

"What they do is amazing. They brought back to life several windows and took care of some rot in my entrance doorway. Can’t even imagine what it would have cost me to replace all that."
Foggy window repair
Foggy window repair
Wood Sash & Sill Repair
Wood Sash & Sill Repair
Response time1 day
Response rate93%
114 neighbors recently requested a quote
Avatar for Repaired & Relieved, LLC
Repaired & Relieved, LLC
4.8(
16
)

Serving Mount Prospect, IL and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Very quick to respond to posting and came next day for estimate. This was a small repair job on fascia and flashing which they handled at time of estimate for a reasonable price, especially considering the minimum fees that bigger contractors charge -- if you can even get the bigger guys to come out. Contractor (Eric) seemed knowledgeable and was polite and professional. Would hire again."
Beautiful custom cedar ceiling and accents
Beautiful complete aluminum railing system
Front Porch Update
Front Porch Updates
New Metal Chimney

+36

Response time3 hrs
Response rate94%
Recommended by86%of homeowners
Avatar for Montes Roofing, LLC
Montes Roofing, LLC
4.5(
109
)

Serving Mount Prospect, IL and surrounding areas

Approved

In business since 1970

Free estimates

Emergency services offered

"Prompt response to my call about a fallen gutter due to a major ice dam. Within hours, they cleared the walkway & debris for safety. Gutter replacement & other roof repairs were done 3 days later. Excellent & timely communication, follow-up and work. I highly recommend Montes Roofing!"
Roofing
Roofing
Roofing
Roofing
Roofing

+148

Response time2 days
182 neighbors recently requested a quote
Recommended by91%of homeowners
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Skylights questions, answered by experts

Yes, you can replace a skylight without changing the entire roof—if the roof is in good shape. First, you need to make sure the roof around the skylight is intact and free of damage. Quality installation is crucial to prevent leaks, including replacing the flashing, which seals the skylight to the roof. While replacing the skylight alone is doable, it can make sense to replace both at once to streamline the work, coordinate the warranties, and reduce the risk of future leaks. If you’re unsure, reach out to a professional for help in deciding the best approach.

Whether you need a permit to install a skylight depends on the scope of the project and local regulations. Generally, permits are required if the installation involves altering the structural components of your home, such as moving roof rafters. In some municipalities, a permit might also be necessary if the skylight protrudes above the highest point of your existing roof. However, if no structural changes are made, a permit may not be needed. The cost for a skylight installation permit is typically under $100. A convenient time to add a skylight is during a roof replacement, as your contractor can incorporate the new opening into the design.

When planning out skylights and deciding how big they should be, it's important to look at the dimensions of the interior space. In addition to changing a room aesthetically, skylights influence the illumination and temperature of the space below. The U.S. Department of Energy recommends that a skylight’s size should never be more than 5% of the floor area in rooms with many windows.

An improperly installed skylight could potentially impact your roof's warranty. This happens because roofing penetration is necessary during skylight installation. Check your warranty information to verify. In most cases, having skylights professionally installed with proof that flashing is being done to specifications can be enough to preserve your roof's warranty.

Yes, you can install skylights on an existing roof, and it’s a common service that many homeowners opt for, especially on older homes built when skylights weren’t as prevalent. The installation process will be a bit more involved, and the design and planning process will take longer, meaning you’ll pay more to install a skylight on an existing roof than you would in new construction. The process involves cutting a hole in the roof, moving rafters, if necessary, and installing and sealing around the skylight.

The Mount Prospect, IL homeowners’ guide to skylight services

From average costs to expert advice, get all the answers you need to get your job done.