Full System Installation for Long-Term Performance
Roof Replacement in Oklahoma City for commercial buildings with failing membranes and compromised roof assemblies
Membranes split and leak, insulation stays saturated after every rain, and repeated repairs no longer stop water from entering the building during storms. Roof replacement becomes necessary in Oklahoma City when the existing system has reached the end of its service life, when damage is too widespread for isolated repairs to restore integrity, or when the roof assembly no longer meets current building codes and energy standards. Draper Construction & Commercial Roofing replaces commercial roofs that have failed beyond the point where coatings or partial repairs offer reliable protection, installing complete new systems that address drainage deficiencies, improve insulation performance, and provide decades of weather resistance against Oklahoma's severe climate conditions.
The replacement process removes the existing membrane and examines the deck and insulation to determine what must be replaced versus what remains serviceable, installs new tapered insulation to improve drainage, and applies a new membrane system selected for durability, wind resistance, and thermal performance. The work includes upgrading flashing details, replacing damaged decking, and ensuring that every penetration and transition is properly sealed to prevent the leaks and failures that plagued the old roof.
Request a roof replacement evaluation that identifies structural issues, drainage problems, and membrane options suited to your building's requirements.

Commercial roof replacement
Done by experienced professionals
Call (405) 972-5199

What Proper Roof Replacement Requires
Replacement begins with tear-off that removes the old membrane, exposes the deck for inspection, and allows assessment of insulation moisture content and structural integrity, with damaged sections of decking replaced and existing insulation removed if saturated. New insulation is installed in tapered layouts that create positive drainage, mechanical fasteners are placed according to wind uplift calculations for Oklahoma's storm exposure, and the new membrane is fully adhered, mechanically attached, or ballasted depending on the system type and building structure. Draper Construction & Commercial Roofing sequences the work to keep the building protected, completing sections before moving to the next area so that open decking exposure is minimized during installation.
Once replacement is complete, the roof surface is uniform and intact, water drains quickly without ponding, and the interior stays dry during rain regardless of storm intensity or wind direction. The new system includes updated flashing at walls and penetrations, properly sealed seams that resist thermal movement, and membrane attachment that meets current wind uplift requirements for commercial buildings in Oklahoma's severe weather zone.
Roof replacement typically includes warranties covering both materials and installation, with membrane manufacturers offering guarantees ranging from fifteen to thirty years depending on the system selected and whether maintenance requirements are met. The investment restores the building envelope, eliminates ongoing leak issues, and provides predictable long-term performance without the constant repairs that aging roofs require as they approach failure.
Questions Before Starting Your Project
Building owners considering roof replacement ask about system selection, project duration, and how the work affects daily operations inside the facility.
How do you know when repair is no longer sufficient?
When leaks occur in multiple locations, when membrane exhibits widespread cracking or deterioration, when insulation is saturated across large areas, or when the roof is more than twenty years old with repeated failures, replacement provides better long-term value than continued patching of a system that has reached the end of its functional life.
What roof system should replace the existing one?
The selection depends on your building's structural capacity, drainage requirements, budget constraints, and performance priorities, with TPO offering cost-effectiveness and reflectivity, EPDM providing durability and flexibility, and modified bitumen delivering multi-layer redundancy for high-traffic roofs.
How long does commercial roof replacement take?
Duration depends on building size, weather conditions, and system complexity, with most commercial buildings completed within one to three weeks, though larger facilities or complicated tear-offs requiring extensive deck repair may take longer to ensure quality installation.
Can the building remain occupied during roof replacement?
Most commercial roof replacement occurs without disrupting interior operations, though noise from tear-off and equipment will be audible inside, and coordination is needed to protect inventory or equipment in areas directly below the work.
What drainage improvements should be included in replacement?
Any areas that pond water should be addressed with additional tapered insulation, drains should be relocated if current placement is inadequate, and scuppers should be added where roof geometry creates drainage dead zones that cannot be sloped effectively toward existing outlets.
Draper Construction & Commercial Roofing replaces commercial roofs throughout Oklahoma City, providing complete system installation that addresses structural issues, improves drainage performance, and delivers long-term weather protection. Contact us to discuss your roof replacement project and receive a detailed assessment of your building's current conditions and system options.









