Flat and low-slope systems installed by a licensed, insured local crew

Commercial roof installation Freeport NY built to outlast the weather

When you need commercial roof installation Freeport NY property owners can count on, our crew handles everything from tear-off to final seam test. We install TPO, EPDM, modified bitumen and metal systems for warehouses, retail strips, offices and mixed-use buildings across Nassau County. If your current roof is leaking, ponding or past 20 years old, we'll tell you straight whether a new install makes more sense than another patch.

Prepared local crewClear options firstFinal testing and walkthrough

Focused arrival windows

Useful updates and clear arrival timing.

Clear scope before work

Review the approach and price before deciding.

Prepared, clean crews

Equipped vehicles and respectful cleanup.

Local accountability

Neighbors serving neighbors with follow-through.

What is included

What's included in commercial roof installation

Every commercial roof installation we do covers tear-off, deck inspection, new insulation, membrane or metal, flashing and cleanup. Add-ons like skylights, roof hatches and HVAC curb work are quoted separately so you see the line item before you approve.

01

Full tear-off and disposal

We strip every layer of the old roof down to the deck, load it into a roll-off dumpster and haul it away. Disposal fees are in the estimate, not tacked on later. Most Freeport jobs generate two to four dumpsters of debris.

02

Deck inspection and repair

Once the old roof is off, we walk the deck and check for rot, soft spots and water damage. Rotted plywood or plank decking gets replaced before the new roof goes down. We photograph anything we replace so you have a record.

03

New insulation and cover board

We install polyiso or EPS insulation to meet New York energy code, topped with a cover board for impact resistance. R-value and thickness depend on your building and code requirements, and we spec it in the estimate.

04

Membrane or metal installation

TPO, EPDM, PVC, modified bitumen or standing seam metal, installed to manufacturer specs. Seams are heat-welded, adhered or mechanically fastened per the system, and every penetration is flashed and sealed with roofing sealant.

05

Flashing, edge metal and drainage

New edge metal, drip edge, pipe boots, curb flashing and counterflashing go on with the roof. We check drains, scuppers and gutters, and add tapered insulation where ponding water has been a problem.

06

Permit, inspection and warranty

We pull the Freeport building permit, schedule the inspection and hand you the manufacturer warranty plus our workmanship warranty. You get a job file with photos, material specs and maintenance recommendations.

PLAN

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Service overview

Commercial roof installation Freeport NY, explained

Commercial roof installation Freeport NY is the full removal and replacement of a flat or low-slope roof system on a business property, including tear-off, deck inspection, insulation, membrane or metal panels, flashing and drainage. It is needed when repairs stop paying for themselves, when ponding water sits for more than 48 hours after rain, or when the roof has reached the end of its service life. We install single-ply membrane, modified bitumen and standing seam metal, and we match the system to your building's pitch, load and budget.

Freeport sits right on the South Shore, so roofs here take a beating from nor'easters, salt air and freeze-thaw cycles that open seams and crack flashing. A lot of the commercial stock along Sunrise Highway and the side streets near the Nautical Mile is 30 to 60 years old, with original decking that has soaked up decades of moisture. If you've been searching for commercial roof installation near me Freeport and getting nothing but storm-chasers, we're the local crew that shows up, pulls permits and stands behind the work.

  • Stop leaks for good — Patching a 20-year-old membrane is throwing money at a losing battle. A full commercial roof installation Freeport removes every failed layer, replaces rotting decking and installs a watertight system with a manufacturer warranty. Most clients stop chasing leaks within the first rainy week.
  • Cut cooling costs — A white TPO or PVC membrane reflects sunlight instead of absorbing it. On a 10,000 sq ft Freeport warehouse, that alone can drop summer cooling load by 15 to 25 percent. Pair it with new polyiso insulation and you'll see the difference on the first LIPA bill.
  • Protect your warranty — Most commercial membrane warranties run 15 to 30 years when the roof is installed by a certified contractor. We install GAF, Firestone and Carlisle SynTec systems, so your NDL warranty stays valid and your insurance carrier sees a documented, code-compliant roof.
  • Raise property value — A new commercial roof is one of the few building upgrades that pays back at resale. Buyers and lenders want to see a roof with 15-plus years of life left. If you're planning to sell or refinance in the next five years, new commercial roof installation Freeport New York is the upgrade that closes deals.
  • Local crew, not storm-chasers — We've been based in Freeport since 2005. Our trucks are on the road here every week, so when a nor'easter rolls through and you need someone on the roof, we're 15 minutes away, not three states away with a magnetic sign on the door.
  • Manufacturer-backed warranties — As a GAF Master Elite and Owens Corning Preferred Contractor, we can offer NDL warranties up to 30 years on qualifying systems. That's coverage you can't get from a crew without the certification, and it transfers if you sell the building.
  • Flat-rate pricing, no surprises — Your written estimate covers tear-off, decking, insulation, membrane, flashing, permits and disposal. If we open the roof and find something unexpected, we stop and show you before we spend a dollar more. That's how commercial roof installation services Freeport should work.
  • We answer after the job — Every install comes with a workmanship warranty on top of the manufacturer coverage. If a seam lifts or a drain backs up in year three, call us and we'll be out. We keep job files with photos and material specs so we can diagnose fast.
Commercial Roof Installation inspection and diagnostic work
A careful diagnosis makes every next step clearer.
The service timeline

What our commercial roof installation looks like

01

Free roof assessment

We walk the roof, check the deck from underneath where accessible, and core a sample to see how many layers you're carrying. You get a written report with photos, moisture readings and two or three system options. Most assessments take 45 to 90 minutes.

02

Permits and scheduling

We pull the Freeport building permit and, where required, file with Nassau County. You get a start date, a crew size and a material delivery window. Most commercial jobs are scheduled within two to three weeks of signed approval, sooner if it's an emergency.

03

Tear-off and deck repair

The crew strips the old roof down to the deck, hauls debris into a roll-off and replaces any rotting plywood or plank decking. We use pry bars, shingle cutters and roofing hammers, and we tarp the building every night so you're never open to the sky.

04

Install and flashing

New underlayment, insulation and membrane go down, followed by edge metal, roof flashing and pipe boots. TPO and PVC seams are hot-air welded and probed; modified bitumen is torched or cold-applied. Every penetration gets sealed with roofing sealant rated for coastal weather.

05

Final inspection and cleanup

We run a water test on drains and scuppers, check every seam, and walk the property with a magnetic sweeper for nails. You get the manufacturer warranty paperwork, permit sign-off and a maintenance schedule. Most commercial installs wrap in three to seven working days.

Tools used for Commercial Roof Installation
Tools and methods

Tools and methods we use on commercial roofs

01

Roofing nail gun and air compressor

Fast, consistent fastener placement on shingle and decking work. Pneumatic nailing hits the correct depth and pattern every time, which matters for wind uplift ratings and manufacturer warranty compliance.

02

Hot-air welder and seam roller

Used to heat-weld TPO and PVC membrane seams. The welder fuses the two sheets into one continuous membrane, and the seam roller presses the weld flat. We probe every seam by hand before sign-off.

03

Moisture meter and infrared scanner

Finds trapped moisture in insulation and decking without tearing the roof apart. Infrared scanning shows temperature differences that reveal wet areas, so we know exactly what to replace before we bid the job.

04

Roofing safety harness and ladder stabilizer

OSHA-required fall protection on every commercial roof. The harness anchors to a roof point, and the ladder stabilizer keeps extension ladders from sliding on gutters or edge metal while the crew climbs.

05

Pry bar, shingle cutter and roofing hammer

The hand tools that strip old roofing, cut shingles to size and set nails in tight spots where a nail gun won't fit. Every crew carries a full set, plus chalk lines for layout and utility knives for membrane trimming.

06

Manufacturer NDL warranty systems

We install GAF, Firestone, Carlisle SynTec and Versico systems to manufacturer specification so you qualify for No Dollar Limit warranties up to 30 years. That means the manufacturer covers material and labor if the membrane fails, not just the material.

07

Tapered insulation for positive drainage

On flat roofs, we design tapered polyiso layouts that slope toward drains at a minimum quarter-inch per foot. This eliminates ponding, which is the number one cause of premature membrane failure on Freeport commercial roofs.

08

Infrared moisture survey before tear-off

Before we bid a replacement, we scan the roof with infrared to map wet insulation and decking. That tells us exactly how much deck repair to budget for, so the estimate you sign is the price you pay.

09

OSHA-compliant fall protection plan

Every commercial job gets a written fall protection plan before the crew goes up. Anchors, harnesses, guardrails and ladder stabilizers are set per OSHA 1926 Subpart M, and our foremen hold OSHA 30 cards.

10

Manufacturer-certified installation

Our installers are trained and certified by GAF, Owens Corning and CertainTeed for the systems we install. Certification means the manufacturer stands behind the work, and it's what separates a warrantied roof from a handshake.

Where this service helps

When Freeport businesses call us for a new roof

Local Commercial Roof Installation example

A 40-year-old warehouse near Sunrise Highway with three layers of old roofing and chronic leaks over stored inventory.

We tore off all three layers, replaced 1,200 sq ft of rotted decking, installed tapered polyiso insulation and a 60-mil TPO membrane with heat-welded seams. The whole job took nine working days, and we tarped every night so nothing got wet. The owner stopped paying for emergency patches, cut summer cooling costs by roughly 20 percent and got a 20-year NDL warranty that transferred when he refinanced.

A retail strip in Bellmore with a 15-year-old EPDM roof that had started ponding after every heavy rain.

Instead of a full tear-off, we added tapered insulation over the existing membrane, re-pitched the drains and installed a new 60-mil EPDM cap sheet. The work was done in four days with no disruption to the tenants. Ponding stopped completely, the tenants stopped complaining about ceiling stains and the owner got another 15 to 20 years out of the roof for about half the cost of replacement.

A Freeport restaurant with a flat roof damaged by kitchen grease and exhaust, plus a leak directly over the dining room.

We recommended PVC membrane instead of TPO because PVC resists grease and chemicals. Crews worked early mornings before service, installed new insulation and a 50-mil PVC system with welded seams, and re-flashed the exhaust curb. The leak stopped, the roof stopped degrading from grease exposure and the restaurant never closed for a single service. The owner now has us out twice a year for maintenance.

A mixed-use building in Oceanside with a metal roof that had rusted through at the fastener lines and was leaking into the top-floor apartments.

We removed the failing panels, inspected and repaired the deck, then installed a new standing seam metal roof with concealed fasteners and a coastal-rated finish. The job took six days and included new edge metal and snow guards. No more leaks, no more rust streaks on the facade and a roof rated for 40-plus years of South Shore weather. The owner's insurance premium dropped at renewal.

Local execution

How commercial roof installation works in Freeport

Freeport commercial roofs live in a tough environment. Salt air off the bay corrodes fasteners and metal edge, nor'easters drive rain sideways into seams, and freeze-thaw cycles from December through March open flashing that looked fine in October. Most of the commercial stock here was built between the 1950s and 1980s, so we're often working over original plank or plywood decking that needs repair before anything new goes down. The Village of Freeport enforces New York State building code for wind uplift and fire rating, and we pull the permit and schedule the inspection on every job. If you've been putting off a commercial roof installation Freeport NY project because you're worried about cost or downtime, we'll walk the roof, show you photos of what's actually up there and give you a written number. Most of our Freeport commercial installs finish in three to seven working days, and we tarp every night so your business stays open.

01

Nautical Mile

Restaurants and waterfront commercial buildings here deal with grease exhaust, salt air and heavy foot traffic. PVC membrane and coastal-rated flashing hold up better than standard systems.

02

Sunrise Highway corridor

Retail strips and warehouses along Sunrise see the most commercial roof work in Freeport. Many have multiple old layers that need full tear-off before a new system goes down.

03

Freeport Village center

Older mixed-use buildings downtown often have original decking and tight lot lines. We stage dumpsters and materials carefully so we don't block sidewalks or neighboring businesses.

04

South Freeport

Closer to the water, roofs here face the highest wind loads and salt exposure. We spec fasteners, edge metal and membranes rated for coastal conditions.

05

Coastal salt air and wind-driven rain

Salt corrodes fasteners and metal edge within a few years, and wind-driven rain pushes water into seams that would stay dry inland. We use corrosion-resistant fasteners and welded or adhered seams rated for high wind uplift.

06

Freeze-thaw cycles from December to March

Water gets into small cracks, freezes, expands and opens them wider. Over a winter, a hairline flashing crack becomes a leak. We seal with cold-rated roofing sealant and check drains for ice blockages before winter.

07

Aging building stock with original decking

Many Freeport commercial buildings are 40 to 70 years old, and the decking underneath has absorbed decades of moisture. We budget for deck repair in every estimate and photograph anything we replace.

08

Nor'easter storm seasons

Fall and winter storms tear off shingles, bend edge metal and drive water into seams. We schedule most commercial replacements in spring and summer so the new roof is in place before storm season.

Before and after

What a successful service visit changes.

Freeport warehouse: three layers to one TPO

Before

A 12,000 sq ft warehouse near Sunrise Highway had three layers of old roofing, chronic leaks over stored inventory and ponding water that sat for days after rain. The owner had paid for six emergency patches in four years.

After

We tore off all three layers, replaced 1,200 sq ft of rotted decking, installed tapered polyiso insulation and a 60-mil TPO membrane. The job took nine working days. Ponding stopped, leaks stopped and the owner got a 20-year NDL warranty.

Maintenance: Twice-a-year maintenance clears drains, checks seams and reseals any flashing that's worked loose. With that schedule, a TPO roof in Freeport regularly lasts 20 to 25 years.

Bellmore retail strip: EPDM cap over existing

Before

A 15-year-old EPDM roof on a Bellmore retail strip had started ponding after every heavy rain. Tenants were complaining about ceiling stains, and the owner was facing a full tear-off quote from another contractor.

After

We added tapered insulation over the existing membrane, re-pitched the drains and installed a new 60-mil EPDM cap sheet. Four days of work, no tenant disruption. Ponding stopped completely and the owner got another 15 to 20 years of roof life for about half the cost of replacement.

Maintenance: Annual drain clearing and a seam inspection each spring keep the cap sheet performing. We also check the tapered insulation edges for any lifting after winter.

Freeport restaurant: PVC over grease-damaged flat roof

Before

A Freeport restaurant had a flat roof degraded by years of kitchen grease and exhaust. The membrane was soft in spots, and a leak had opened directly over the dining room. The owner couldn't afford to close for repairs.

After

We installed a 50-mil PVC membrane instead of TPO because PVC resists grease and chemicals. Crews worked early mornings before service, replaced the insulation, welded new seams and re-flashed the exhaust curb. Four days, zero closures, leak stopped.

Maintenance: Quarterly grease-trap and exhaust curb inspections, plus a twice-a-year roof check. PVC handles chemical exposure better than any other single-ply membrane, so the maintenance schedule is lighter than a TPO roof in the same spot.

Problems we solve

Commercial roof problems we solve in Freeport

Most commercial roofs don't fail overnight. They give you warnings for years before the ceiling tiles start dropping. Here are the problems we see most often on Freeport commercial buildings and how we fix them.

01

Ponding water on flat roofs

Standing water adds thousands of pounds of load, accelerates membrane breakdown and finds every seam weakness within a season or two. We install tapered insulation to create positive drainage toward drains and scuppers, then verify flow with a water test. If the structure can't take tapered insulation, we re-pitch the drains or add secondary scuppers. Either way, water leaves the roof within 48 hours of rain.

02

Recurring roof leaks

Every leak you patch chases the water somewhere else. Eventually it soaks insulation, rots decking and damages inventory or equipment inside. We trace leaks to the actual entry point using moisture meters and hose testing, then fix the flashing, seam or penetration that failed. If the roof is past saving, we quote a full commercial roof installation Freeport NY property owners can budget for instead of another patch.

03

Storm and hail damage

South Shore nor'easters tear off shingles, bend edge metal and drive rain into seams. Hail bruises membrane and dents metal panels in ways you can't see from the ground. We document damage with photos and moisture readings for your insurance claim, tarp anything open and complete permanent repairs once the claim is approved. We've worked enough Nassau County claims to know what adjusters need to see.

04

Ice dams and freeze-thaw damage

Freeport winters swing above and below freezing for weeks. That cycle opens seams, cracks flashing and pushes water under the membrane where it refreezes and lifts materials. We install ice and water shield at eaves and valleys, seal flashing with cold-rated roofing sealant and spec membranes that stay flexible in low temperatures. For flat roofs, we check drains for ice blockages before winter.

05

Clogged gutters causing roof damage

When gutters and drains back up, water sits on the roof, rots fascia and eventually finds its way into the building. It's the cheapest problem to prevent and the most expensive to ignore. We clear gutters, downspouts and roof drains as part of every install, and we recommend a twice-a-year maintenance plan. For commercial buildings with heavy tree cover, quarterly cleanouts keep water moving all year.

Proof behind the promise

Licensed, certified and local since 2005

GAF Master Elite ContractorGAF
Owens Corning Preferred ContractorOwens Corning
CertainTeed SELECT ShingleMasterCertainTeed
NRCA MemberNational Roofing Contractors Association
OSHA 30 Certified ForemenOccupational Safety and Health Administration
4.9/5Google — Roof Repaire Freeport replaced the flat roof on our 8,000 sq ft commercial building in Merrick. They pulled the permit, kept us updated daily and finished in six days. The warranty paperwork arrived the same week. No leaks through two storm seasons.
4.8/5Yelp — We had three bids for a TPO roof on our Freeport warehouse. These guys were the only ones who actually got on the roof and showed us photos of the wet insulation. Price was fair and the crew cleaned up every night. Highly recommend.
A+/5BBB — After a nor'easter tore up our restaurant roof, they tarped it the same night and had a new PVC membrane installed within a week. Worked around our hours so we never closed. Straight answers, fair price, quality work.
Experienced Commercial Roof Installation professional
Technical expertise

Two decades of commercial roof work

Roof Repaire Freeport has been installing and repairing commercial roofs since 2005, which puts us at 21 years serving Nassau County businesses. Our foremen hold OSHA 30 cards, our crews carry OSHA 10, and we're an NRCA member shop. We've installed GAF, Owens Corning, CertainTeed, Firestone, Carlisle SynTec, Versico and Mule-Hide systems on hundreds of Long Island buildings, from 800 sq ft storefronts to 40,000 sq ft warehouses. That range means we've seen every deck type, every drainage problem and every shortcut a cheaper crew will try to sell you.

  • 21 years in business, founded in Freeport in 2005
  • OSHA 30 certified foremen on every commercial crew
  • GAF Master Elite and Owens Corning Preferred Contractor credentials
  • NRCA member with manufacturer-trained installers for TPO, EPDM and modified bitumen
  • Licensed and insured in New York State, with Nassau County permit experience
Customer stories

What Freeport business owners say

Anthony R.Warehouse Owner, Freeport

Our 12,000 sq ft warehouse roof had been patched six times in four years. Roof Repaire Freeport tore it off, replaced about 800 sq ft of rotted decking and installed TPO in five days. We've been through two nor'easters since with zero leaks. The crew tarped every night and cleaned up better than they found it.

Maria S.Property Manager, Merrick

I manage three commercial buildings and needed a roofer who would actually answer the phone. These guys pulled the Nassau County permits, kept me updated daily and finished the 8,000 sq ft EPDM install in under a week. The warranty paperwork was in my inbox the day they finished.

Dave K.Restaurant Owner, Freeport

Grease from our kitchen hood had ruined the old flat roof. They recommended PVC instead of TPO because of the chemical exposure and installed it in four days without shutting us down. Two years later, no ponding, no leaks, and the seams still look new. Straight shooters.

How much does commercial roof installation cost in Freeport NY?

Most commercial roof installation in Freeport NY runs $8 to $18 per square foot installed, depending on system and tear-off layers. A 5,000 sq ft TPO roof typically lands between $45,000 and $75,000; metal and modified bitumen run higher. Deck repairs, insulation upgrades and multiple tear-off layers push the number up. We give you a written, itemized estimate after a free roof assessment, so you know exactly what you're paying for before we start.

How long does commercial roof installation take in Freeport?

A typical 5,000 to 10,000 sq ft commercial roof takes three to seven working days from tear-off to final inspection. Smaller storefronts can wrap in two days; 30,000 sq ft warehouses run two to three weeks. Weather is the main variable, and South Shore storms can add a day or two. We tarp every night so your building stays dry and your business stays open the whole time.

Who installs commercial roofs in Freeport New York?

Roof Repaire Freeport installs commercial roofs across Freeport and Nassau County. We've been in business since 2005, we're licensed and insured in New York, and our foremen carry OSHA 30 cards. We install GAF, Firestone, Carlisle SynTec and Versico systems, and we pull the Freeport building permit for you. Call us for a free assessment and a written estimate.

Do I need a permit for commercial roof installation in Freeport?

Yes. The Village of Freeport requires a building permit for commercial roof replacement, and the work must meet New York State building code for wind uplift and fire rating. We handle the permit application, schedule the inspection and keep the paperwork on file. Skipping the permit can void your manufacturer warranty and cause problems at resale or with your insurance carrier, so we never cut that corner.

Frequently asked questions

Frequently Asked Questions

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Get your commercial roof installation Freeport NY estimate

Free roof assessment, written estimate and a start date you can plan around. We're licensed, insured and have been installing commercial roofs in Freeport since 2005. Call today and we'll schedule your walk-through this week.

Contact the local team

Contact our Freeport roofing team

Call 342425679 or email us and we will get back to you the same business day. For active leaks and storm damage, we answer around the clock. We serve Freeport and the surrounding Nassau County communities, and we can usually schedule an inspection within a few days.

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