TPO · Fully Adhered
75,000 sqft Cold Storage Facility
Sqft75K
System80-mil TPO FA
Timeline10 days
Fully-adhered TPO and EPDM roofing for refrigerated warehouses, cold storage distribution, freezer facilities, and USDA/FSIS-inspected food cold-chain operations across NC, SC, GA, and TN. Zero-penetration attachment, monolithic seams, and refrigeration-load-aware sequencing.
A licensed PM has your request. We'll reach out within 24 business hours — typically sooner. If your roof is actively leaking, call (866) 487-8572 for same-day response.
A cold storage facility in North Carolina operates with a vapor pressure differential of roughly 70-90 millimeters of mercury between interior and exterior on a typical summer day. That differential drives water vapor from warm ambient air toward the cold interior — relentlessly, across every square inch of the roof envelope, for every hour the differential exists. The total mass of water vapor trying to enter a 50,000 sqft cold storage over a summer season is in the thousands of pounds.
In a well-sealed cold storage roof, this vapor pressure meets a continuous vapor barrier (typically installed as the bottom face of the polyiso insulation or as a separate membrane layer above the deck) and gets stopped. In a compromised roof — with penetrations that haven't been vapor-sealed, with seams that have failed, with attachment fasteners that conduct heat from interior to exterior creating localized condensation — that thousands of pounds of vapor ends up as condensate in the insulation. Insulation R-value collapses as the polyiso boards absorb moisture. Eventually mold develops. In extreme cases, structural deck corrosion follows. This is why cold storage shares operational DNA with food processing and pharmaceutical facilities — any vapor-sensitive envelope demands the same rigor.
This is why cold storage roofing is fundamentally different from standard commercial roofing. Fully-adhered attachment eliminates thousands of thermal-bridging fasteners. Heat-welded TPO seams (not tape-seamed) create monolithic membrane integrity. Ice-and-water shield at every penetration backs up the primary vapor seal. R-30 polyiso insulation (exceeding NC code minimum for cold storage specifically) provides margin against any minor vapor intrusion. And refrigeration-engineer coordination during design ensures rooftop condenser curbs, exhaust stacks, and drain assemblies are installed to refrigeration-specific tolerances.
Every roof we design for cold storage considers these physics explicitly. Generic commercial roofing contractors installing TPO mechanically-attached on a cold storage facility have delivered functionally-compromised roofs from day one — we've been called to remediate those installations, and the economics of remediation almost always force complete re-replacement within 5-7 years. Cold storage deserves specialist-level spec from day one.
Installed cost runs $11–16 per square foot for 80-mil fully-adhered TPO with R-30 insulation on cold storage facilities. Ranges reflect bid data across NC, SC, GA, TN. Freezer (sub-zero) and USDA-inspected facilities trend toward upper range due to enhanced vapor barrier and sanitation-coordinated workflow.
Every cold storage roof replacement follows a six-phase workflow designed around vapor barrier preservation, refrigeration-load coordination, and (for USDA facilities) sanitation protocol. Our process has been field-tested on meat processing, produce cold chain, and pharmaceutical cold storage facilities. The time investment in phase one — facility assessment and refrigeration-engineer coordination — pays for itself in install-phase efficiency and long-term roof performance.
Drone survey + interior facility walk with plant engineering and refrigeration contractor. Vapor barrier integrity assessed on existing roof — existing penetrations catalogued for vapor-migration risk. Coordination with facility's refrigeration maintenance for any rooftop-condenser work coincident with roof replacement. Detailed bid in 48 hours with 80-mil fully-adhered spec, R-30 insulation, and production-sequencing plan.
For USDA-inspected facilities: pre-work sanitation plan filed with facility QA. Crew certification verified — no tobacco, restricted tool-list, foreign-object-prevention training documented. For FDA-registered facilities: coordination with facility's FSMA food safety plan. All crews wear color-coded gear per facility zoning.
Zones torn off in 4,000-8,000 sqft sections for single-day completion. Existing vapor barrier inspected during tear-off — if compromised, new vapor barrier installed before insulation. No zone left exposed overnight. Interior refrigeration compensates for the temporarily-reduced R-value through the exposed section until membrane install completes.
Polyiso insulation board installed to R-30 (exceeds NC zone 4A minimum; required for cold storage applications). Vapor barrier continuity maintained at every board seam with approved tape or sealant. Ice-and-water shield installed at every penetration, perimeter, and termination.
80-mil TPO membrane fully-adhered to substrate with bonding adhesive (both sides — membrane and substrate). Rolled with weighted roller for uniform adhesion. Zero roof-deck fasteners anywhere on field membrane — this is the cold-storage-specific critical detail. Field seams heat-welded at 1,100°F with robotic welder; every seam probe-tested.
Rooftop refrigeration condenser curbs, exhaust stacks, and equipment flashings field-detailed with pre-molded TPO boots or custom-fabricated flashings. Every penetration wrapped with ice-and-water shield and liquid-sealed. Manufacturer 30-year NDL warranty registered. Full documentation package delivered: photos, as-built drawings, maintenance schedule, and refrigeration-engineer handoff notes.
Fully-adhered TPO installations on cold storage facilities across NC, SC, GA, TN. USDA-inspected, FDA-registered, and standard refrigerated warehouse projects with 30-year NDL warranty.
USDA FSIS facilities (meat, poultry, egg processing) operate under continuous federal inspection. Any roof work that compromises sanitation creates risk of facility shutdown, production halt, and product destruction. Our crews credentialed for FSIS work carry: documented foreign-object-prevention training, restricted tool lists (no glass, no wood, no ferrous hand tools in process zones), color-coded gear per zone, and pre-operational sanitation coordination with facility QA. Post-work sanitation windows are confirmed before crew handover.
FDA-registered facilities (pharmaceutical cold chain, vaccine storage, biological storage) operate under 21 CFR Part 211 current Good Manufacturing Practice. We coordinate with facility QA on the FSMA preventive controls plan for any cold storage adjacent to food processing. For vaccine and biological cold storage, we maintain chain-of-custody documentation for any temporary interior access during roof work.
NC, SC, GA, TN state regulations for refrigerated warehouse operations parallel federal but with state-specific permit and licensing requirements. We maintain current licenses across all four states and coordinate permit timelines into project schedules.
Post-Helene, the FEMA Disaster Recovery process applies to WNC cold storage facilities in disaster-declaration zones. We provide adjuster-ready documentation, FEMA public-assistance grant documentation (for municipal or non-profit operators), and SBA disaster loan documentation support at no added cost. For facilities with insurance claims still unresolved from Helene damage, we coordinate with public adjusters or direct-carrier negotiations. System spec typically centers on 80-mil fully-adhered TPO for vapor barrier integrity, with EPDM as the alternative for facilities where reflective energy-code compliance isn't a priority.
Fully-adhered TPO with vapor barrier integrity, USDA/FSIS-credentialed crews, and refrigeration-load-aware sequencing. Helene disaster zone documentation included. 48-hour bid turnaround.