Logo for InstaSeal Commercial Roofing

Commercial Flat Roof Systems

  • TPO (Thermoplastic Polyolefin) Roofing

    A highly reflective, energy-efficient single-ply membrane, perfect for cost-effective, long-term installations.

    Easy to install and maintain, with periodic cleaning and inspections to ensure seam integrity.

    Ideal for warm climates, reducing cooling costs, and widely used due to its affordability and durability.

    Aerial view of a large, flat-roofed building with surrounding parking areas.
  • Metal Roofing (Standing Seam)

    A high-end, durable option for long-term commercial flat or low-slope roof installations.

    Costly, at $8–$18 per square foot, but lasts 30–60 years with proper care.

    Requires periodic inspections to prevent corrosion and ensure drainage.

    Energy-efficient and aesthetically appealing, ideal for premium commercial properties.

    Metal rooftop with ventilation pipe and nearby tree, overlooking a street and parking lot.
  • Green Roofing Systems

    A sustainable, vegetation-covered system for long-term environmental and energy-saving benefits.

    Expensive, with costs varying widely based on design, but can last 30–50 years.

    High maintenance due to plant care and irrigation needs.

    Ideal for eco-conscious businesses willing to invest in a costly, high-value solution.

    Green rooftop with vegetation and ventilation systems on an urban building.
  • EPDM (Ethylene Propylene Diene Monomer) Roofing

    A durable, synthetic rubber membrane ideal for long-term commercial flat roof installations.

    Cost-effective

    Low maintenance; requires annual inspections and cleaning to prevent seam failures or shrinkage.

    Suitable for cold climates due to heat absorption, making it a versatile, budget-friendly choice.

    Aerial view of a large shopping mall with parking lots
  • Polyurethane Foam Roofing

    A spray-applied, seamless foam system for short-term restoration or long-term installations.

    Costs $4–$7 per square foot, with a 15–20-year lifespan.

    Requires periodic recoating every 5–10 years to maintain waterproofing.

    Energy-efficient and cost-effective for businesses prioritizing insulation and quick application.

    Insulation for flat roof system
  • Concrete Roofing

    A heavy, exceptionally strong system for long-term commercial applications, especially rooftop businesses.

    Costs $4–$8 per square foot, lasting up to 50 years.

    Requires minimal maintenance but needs a robust structure to support its weight.

    A costly yet reliable choice for high-durability needs.

    Low angle view of a flat concrete rooftop under evening sky
  • PVC (Polyvinyl Chloride) Roofing

    A premium, chemical- and fire-resistant single-ply membrane suited for long-term, high-performance installations.

    Costly, ranging from $4–$12 per square foot, but offers a 20–30-year lifespan.

    Low maintenance with periodic cleaning; resistant to punctures and UV damage.

    Perfect for industrial settings or buildings requiring robust, environmentally conscious roofing.

    Aerial view of a modern building complex with multiple structures, including flat roofs and angular designs. The area is surrounded by greenery and other smaller buildings.
  • Built-Up Roofing (BUR)

    A traditional, multi-layer gravel-and-tar system designed for long-term durability and heavy foot traffic.

    Moderately priced at $4–$10 per square foot, lasting 15–20 years.

    Maintenance involves removing aggregate to check for leaks, making repairs more labor-intensive.

    Cost-effective for businesses seeking a proven, sturdy roofing solution.

    Flat rooftop of a commercial building with equipment and a view of the surrounding trees and landscape.
  • Modified Bitumen (Mod Bit) Roofing

    A multi-layer, asphalt-based system offering a balance of durability and affordability for long-term solutions.

    Costs $4–$14.50 per square foot, with a 20–30-year lifespan.

    Requires biannual inspections to prevent cracking; suitable for high-traffic roofs.

    Versatile installation methods (torch-down or hot-mopped) make it a reliable choice for varied commercial needs.

    Aerial view of a large industrial building with a flat roof featuring ventilation systems, skylights, and scattered construction cones. Surrounding the building are parked cars and trucks in a parking lot and a road lined with trees.
  • Liquid-Applied Roofing Membranes

    A fluid-applied coating ideal for cost-effective, short-term repairs or restoration of existing roofs.

    Costs vary, typically $300–$1,750 for repairs, extending roof life by 10–15 years.

    Minimal maintenance; requires reapplication every 5–10 years.

    Perfect for quick fixes or extending the lifespan of aging roofs without full replacement.

    Backpack sprayer with attached wand and nozzle for agricultural or gardening use, placed on a neutral background.
  • GRP (Glass-Reinforced Polyester) Roofing

    A lightweight, corrosion-resistant fiberglass system for cost-effective, long-term installations.

    Affordable at $4–$6 per square foot, with a lifespan of 20–30 years.

    Low maintenance but costly repairs if damaged due to its rigid structure.

    Suitable for businesses seeking a durable, low-upfront-cost solution.

    Transparent polycarbonate roof of a greenhouse
  • Rolled Roofing

    A basic, low-cost membrane for short-term or temporary commercial flat roof repairs.

    Very affordable at $6.50–$8.00 per square foot, but lasts only 10–15 years.

    Requires frequent inspections due to susceptibility to weathering.

    Best for budget-conscious businesses needing quick, economical fixes.

    Close-up of large industrial paper rolls on a loading dock with warning signs on the wall.