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Commercial Roofing / Roof Types
Low-slope commercial roofs must manage water, equipment, foot traffic, heat, wind, and daily operations as one coordinated system.
More Than a Membrane
Commercial flat roofs support far more than weather protection. HVAC units, service traffic, drains, scuppers, vents, electrical penetrations, parapets, and changing building use all place demands on the assembly.
Highmark evaluates the deck, insulation, drainage, existing moisture, traffic patterns, perimeter conditions, and project schedule before recommending a TPO, EPDM, repair, recovery, or replacement strategy.
Membrane Selection
TPO and EPDM are proven single-ply options, but their material characteristics and assembly choices answer different operational and performance needs.
Reflective Thermoplastic
A reinforced, heat-weldable membrane widely used on commercial buildings where reflectivity, seam strength, and warm-climate performance are priorities.
Flexible Synthetic Rubber
A resilient membrane with a long commercial roofing history, valued for flexibility, elongation, UV resistance, and compatibility with several assembly types.
One Coordinated Assembly
Membrane performance depends on the roof below it and every transition through it. Highmark treats the complete assembly as the scope.
Existing construction and condition establish the foundation for the new system.
Thermal goals, drainage slope, impact resistance, and traffic influence the build-up.
Material and attachment are selected around the building and project requirements.
Drains, curbs, flashings, seams, penetrations, and perimeters receive focused treatment.
Built Around Business Continuity
Commercial projects require more than installation skill. Access, staging, noise, odor, equipment shutdowns, tenant activity, weather exposure, and inspection timing all affect how the work should be sequenced.
Coordinate crews, material movement, parking, loading areas, and secure roof access.
Plan work around customers, tenants, staff, sensitive areas, and daily building activity.
Sequence removal and installation to limit open-roof exposure and protect the facility.
Document the completed system and establish practical inspection and service expectations.
Commercial Applications
The right flat-roof assembly depends on the property’s use, exposure, structure, equipment, and long-term ownership plan.
Low-slope systems that account for occupied spaces, rooftop equipment, drainage, and customer-facing operations.
Large roof areas where attachment, wind design, traffic, penetrations, and installation efficiency matter.
Assemblies planned around residents, staff, recurring maintenance access, and varied building conditions.
Membrane type, thickness, color, attachment, insulation, cover board, approvals, and warranty eligibility depend on project-specific conditions and current manufacturer requirements. Highmark confirms the appropriate scope for each property.
Protect the Building Below
Highmark Roofing Partners can evaluate existing conditions, identify practical system options, and develop a commercial roofing scope for repair, replacement, or new construction.
Request a Commercial Roof Assessment