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Wide flat commercial roof with rooftop units and Manhattan skyline beyond

Roofing in New York City, NY

Commercial roofing in New York City for low-rise buildings

Flat roof repair and replacement for retail, mixed-use, warehouse and apartment buildings. Scope and price in writing before work starts.

  • Flat and low-slope commercial roofs
  • Plans that account for tenants and access
  • Written scope for owners and boards

Step 1 of 3

What do you need?

What does commercial roofing in New York City involve?

Commercial roofing covers the larger flat and low-slope roofs on stores, mixed-use buildings, warehouses, offices and apartment buildings. The work can range from fixing a seam or drain to tearing off and replacing the full roof system.

Common systems include single-ply membranes such as TPO and EPDM, modified bitumen and built-up roofing. Each has strengths and limits, and the right choice depends on the building, the budget, the rooftop equipment and how long the owner expects to hold the property.

Many commercial roofs in the city carry air handlers, vents, antennas and sometimes solar equipment. Every one of those is a place where a leak can start, so the plan needs to deal with the details around them, not only the open field of the roof.

What problems show up on city commercial roofs?

Owners and property managers tend to see the same issues.

  • Ponding water. Low spots and blocked drains hold water that wears out the membrane.
  • Failed seams and flashing. Movement from heat and cold opens joints at parapets and curbs.
  • Damage from foot traffic. Technicians servicing rooftop units can scuff or puncture the surface.
  • Wet insulation. Once insulation is soaked, it stops insulating and heats the building.
  • Old repairs stacked on repairs. Patch layers add weight and hide the real cause.

A roof inspection is a good first step for any building where the history of the roof is unclear.

What changes the price of a commercial roof?

We do not post prices, because commercial jobs differ too much. These are the main factors.

  • Roof area and building height.
  • The system chosen and the thickness of insulation.
  • How much of the existing roof must be removed and how much deck needs repair.
  • Rooftop equipment that must be worked around or temporarily moved.
  • Access, such as street staging, crane or hoist use and working hours.
  • Permits, inspections and code requirements that apply to the building.

Building and energy codes can set requirements for roof surfaces, insulation and sometimes solar or green roof elements on certain projects. Rules change and depend on the building, so confirm them with the designer or the Department of Buildings before you commit to a scope.

Occupied buildings need a plan. That plan should cover when noisy work happens, how entrances and loading areas stay safe, how debris leaves the site and how tenants are told. Ask for it in writing. In mixed-use buildings, tell retail and residential tenants well before the work begins.

Timing depends on size, weather and access. A small roof section may take days. A larger roof can take weeks. Work is paused for rain and for conditions that are too cold or too windy for the materials. For condo and co-op buildings, board approval, managing agent coordination and insurance paperwork can add time before the first day, so start early.

When should a property owner call?

Call when you see recurring leaks, ponding water, bubbles or open seams, or when an insurer, lender or buyer asks about the roof. Early action usually costs less than waiting for interior damage. Start with a roof repair if the trouble is limited, or discuss a full replacement if the roof is worn through.

Before you hire, ask to see the contractor's licence and insurance, ask what warranty terms are offered and get them in writing, and ask who handles permits and inspections. You can read about our other services on the home page.

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Local crew

Questions about roofing in New York City

What types of commercial roofs do you work on?

We work on the flat and low-slope roofs common on stores, mixed-use buildings, warehouses and apartment buildings in the city. Systems include single-ply membranes, modified bitumen and built-up roofing. Tell us about your roof type and any rooftop equipment, and we will advise on repair or replacement options.

Can the building stay open during roof work?

Most of the time, yes, because the work happens above the occupied space. There will be noise, and entrances and loading areas need protection. The plan should say when loud work happens and how tenants are told. Ask for that plan in writing when you request a quote.

Is a restoration coating an option instead of replacement?

Sometimes. Coatings can extend the life of some roofs that are still sound underneath, but they do not suit roofs with soaked insulation or widespread damage. An inspection should tell you whether the roof qualifies. Ask what the coating covers and what is expected of it, and get that in writing.

Do commercial roofs in New York City have special code requirements?

They can. Building and energy codes may set requirements for insulation, reflective surfaces and, on some projects, solar or green roof elements. The details depend on the building and the scope. Check with your designer or the Department of Buildings, and ask your contractor how code items will be handled.

How do I compare commercial roofing quotes?

Compare scope first and price second. Check the system, insulation, flashing details, drain work, warranty terms, permit responsibility and cleanup. A low quote that leaves things out can cost more later. Ask each contractor to list inclusions and exclusions so the quotes can be compared line by line.

How it works

  1. Call or request a quote

    Tell us what is happening with the roof.

  2. Free inspection

    A roofer checks the roof and gives a written price.

  3. Work done right

    Clean crew, nail sweep, warranty in writing.

Request commercial roofing

Tell us what you need and we call you back.

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What do you need?

No obligation.

Ready when you are

Call now or request a quote online.

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