Yes. Skylights can generally be permanently removed and the roof openings infilled during a reroofing project, provided the work is completed correctly and complies with applicable building codes. In many commercial and low-slope roofing projects, removing an unwanted, aging, or leak-prone skylight and restoring the roof deck can be a practical long-term solution.
The key is that a skylight cannot simply be taken out and covered with roofing material. The opening must be properly reconstructed as part of the roof assembly.
Why Remove a Skylight During Reroofing?
Property owners may choose to eliminate skylights for several reasons. Older skylights can become difficult to maintain, develop leaks around their curbs or flashing, or create weak points in an otherwise reliable roofing system. Some businesses also discover that existing skylights provide little useful daylight while increasing maintenance requirements.
Permanent removal can eliminate the skylight, curb, flashing, and associated penetration, allowing the new roofing system to run continuously across the former opening.
For a building owner planning a reroof, this can be an opportunity to address the skylight while the existing roof assembly is already exposed.
How Is a Skylight Opening Permanently Infilled?
A professional roofer will typically coordinate several steps:
- Remove the skylight and curb – The existing skylight assembly, flashing, and curb are carefully removed.
- Evaluate the opening and framing – The roof structure around the opening must be inspected to determine how the opening is framed and whether additional framing is required.
- Reconstruct the roof deck – The opening is framed and filled with compatible structural decking or another approved assembly designed for the roof system.
- Match insulation and roof assembly – Insulation should be restored so the infilled section performs consistently with the surrounding roof.
- Install the new roofing system – The membrane, cover board, underlayment, flashing, and other components are integrated with the existing or replacement roof system.
- Seal and waterproof the area – The completed infill must provide continuous protection against water intrusion and wind uplift.
The structural requirements are particularly important because a roof opening interrupts the continuity of the roof deck and its load-transfer system. FEMA guidance, for example, recommends reinforcing framing around skylight openings to provide positive connections for loads around the opening.
What About Florida Building Codes?
Florida property owners should be especially careful because roofing work is subject to the Florida Building Code, including requirements related to reroofing, structural performance, wind resistance, and approved roofing products. Florida’s current code resources include the 9th Edition (2026) Florida Building Code.
Florida also specifically recognizes skylights within the scope of roofing contractors’ work, along with roof-deck attachment and replacement of wood roof sheathing when required during roof repair or replacement.
Depending on the building, location, roof construction, and extent of the work, permits, inspections, engineering, or other approvals may be required. High-wind and hurricane-prone areas can have additional requirements.
Is Skylight Removal Better Than Replacement?
Not always. If a skylight is still valuable for natural lighting and can be reliably integrated into the new roof system, replacement may make more sense. However, if the skylight is obsolete, damaged, difficult to maintain, or no longer provides meaningful benefits, permanent infilling can create a simpler and more uniform roof surface.
The Bottom Line
Yes, skylights can be permanently removed and infilled during a reroof. The opening must be properly framed, structurally closed, insulated where required, decked, waterproofed, and integrated into the new roofing assembly. Because the work affects the roof structure and weatherproofing, it should be performed by a qualified roofing contractor familiar with local building-code and wind-load requirements.
For commercial properties in Florida, Shieldline Roofing can evaluate existing skylights during a reroofing project and help determine whether replacement or permanent infilling is the better long-term solution.
Related Questions
- What is the difference between a unit skylight and a structural skylight?
- What is the difference between a curb-mounted and deck-mounted skylight?
- How are skylight curbs raised when insulation thickness increases?
- How are skylights integrated into a rooftop solar layout?
- How are skylights protected against fall-through?
- Are Skylights Considered Fall Hazards Under OSHA?
- What is a tubular daylighting device and how is it flashed?
Commercial Skylights & Roof Access
