TPO membrane
Heat-welded single-ply, highly reflective — the current default for low-slope commercial.
Commercial Roofing
Commercial Roofing on Long Island
Flat and low-slope systems installed around your business hours.
Short answer
LaRocco Roofing & Siding installs, repairs and maintains commercial flat and low-slope roofs across Long Island and Queens — TPO, EPDM rubber and modified bitumen systems for retail, office, industrial, multi-family and mixed-use buildings. We schedule around trading hours and provide itemized scopes suitable for property managers and boards.
Commercial roofs fail differently from residential ones. Water doesn't run off a flat roof, it sits — around drains that don't drain, at seams that opened, under HVAC curbs that were flashed by whoever installed the unit. The leak lands on inventory, tenants or a server rack.
We work on retail, office, industrial, multi-family and mixed-use buildings across Nassau, Suffolk and Queens. Scopes are itemized in a form a property manager or a co-op board can actually take to a meeting, and we schedule around your hours rather than yours around ours.
Serving: Long Island / Nassau County / Suffolk County / Queens
What's included
Every commercial roofing job covers
EPDM rubber
Proven, durable, forgiving on complex roofs with lots of penetrations.
Modified bitumen
Torch and self-adhered systems where a multi-ply build-up is the right answer.
Roof drains and scuppers
Because ponding water is the single biggest killer of a flat roof.
HVAC and curb flashing
Where the leaks usually are, once the equipment guys have been up there.
Coating and restoration
Extending service life on a sound deck without a full tear-off.
Preventative maintenance
Scheduled inspections and reports for property managers and boards.
Emergency leak response
Rapid make-safe to protect stock, tenants and equipment.
Our process
How we run a commercial roofing job
The same five steps on every job, whether it's a cracked pipe boot or a full tear-off.
Free on-site inspection
We walk the roof, check the attic and photograph what we find. You see the same pictures we do — including the parts of your roof you can't get to.
A written, itemized quote
One clear number, broken down by material and labor. No pressure, no vanishing discount that expires tonight, no surprise change orders halfway through.
Permits, materials, scheduling
We pull the town permits, order the material and give you a firm start date and a realistic finish date for the weather we're working in.
Installation by our own crew
Property gets tarped and protected before a single shingle comes off. Most residential roofs are torn off and re-roofed in one to two days.
Clean-up and final walkthrough
Magnet sweep for nails, debris hauled away, then we walk it with you before we ask for final payment and hand over your warranty paperwork.
Recent projects
Recent work across Long Island
Real roofs, real addresses. Every one started with a free inspection.
Smithtown, NY
Full tear-off and architectural shingle replacement on a colonial — before and after.
Oyster Bay, NY
Stripped to the deck, new synthetic underlayment, then architectural shingles.
Jamaica, Queens
Underlayment down and the finished shingle field on a Queens re-roof.
FAQ
Commercial Roofing — answered
Can you work outside our business hours?
Yes. Retail and restaurant clients usually want us there early, late or at weekends, and we schedule that way. We also stage material and dumpsters to keep access and parking usable.
TPO or EPDM — which is better?
TPO's white reflective surface cuts cooling load and it's heat-welded at the seams, which is why it dominates new commercial work. EPDM is proven, flexible and often easier on roofs with lots of penetrations. Deck condition, roof traffic and budget decide it — we'll walk the roof and recommend.
Do you provide documentation for property managers?
Yes — itemized scopes of work, photo condition reports and maintenance records suitable for boards, owners and insurers.
Can a flat roof be restored instead of replaced?
Often, yes. If the deck and insulation are dry and the membrane is intact, a coating or restoration system can add years for a fraction of a tear-off. If there's trapped moisture in the insulation, it can't — a core sample tells us which.
Free estimate
Free commercial roofing quote, no obligation
No charge, no obligation, no high-pressure pitch. We look at the roof, send you the photos and tell you what it actually needs.
Nassau, Suffolk and Queens · Financing available