Expert roof modifications for tenant build-outs. Penetrations, curbs, hatches, and flashing done right — on time, on code, and warranty-compliant.
☎ Call (832) 272-2944400+ team members • 35+ states • Dedicated commercial division • Est. 1986
We respond within 24 hours
We work around your build-out schedule so tenants move in on time. No delays from roof work bottlenecks.
Every penetration, curb, and modification is done to manufacturer spec. Your roof warranty stays intact.
Licensed commercial crews that know local Houston building codes. Pass inspections the first time.
Protect your building investment. Our modifications maintain structural and waterproofing integrity long-term.
Specialized commercial roof modifications for tenant build-outs and improvements
Clean, warranty-compliant penetrations for HVAC, plumbing, electrical, and exhaust systems. Properly sealed and flashed to prevent leaks.
Custom curb fabrication and installation for rooftop units. Properly waterproofed and integrated with existing roof systems.
Access hatches installed to code with proper flashing and counterflashing. Safe, compliant roof access for building maintenance.
Expert flashing work for new walls, parapets, and equipment supports. Critical waterproofing details done right every time.
Commercial skylight framing and waterproofing for tenant spaces. Bringing natural light in without compromising the roof system.
Restaurant hoods, bathroom exhaust, and specialty venting. Properly integrated with the roof membrane and warranty requirements.
For commercial tenant finish roofing in Houston
We're not a residential roofer taking on commercial jobs. Holland has a dedicated tenant finish division built for this work.
Every modification follows manufacturer specifications. Your roof warranty stays fully intact after our work.
With 400+ team members, we can staff your project quickly. No waiting weeks for a crew to become available.
We coordinate with your GC and tenant to ensure roof work never becomes the bottleneck in your build-out schedule.
One project manager, one crew, one invoice. No finger-pointing between subcontractors.
35+ state footprint means consistent quality standards backed by local crews who know Houston building requirements.
Talk to a Holland Roofing tenant finish specialist about your Houston project.
☎ Call (832) 272-2944Tell us about your project and we'll provide a comprehensive assessment within 24 hours.