RoofingCommercial RoofingSiding Decks & PatiosInsurance RestorationADUs
Get Free Quote
(631) 312-7441
sales@alecsconstruction.com
$800 OFF All Projects Free Walkthrough — No Obligation Licensed & Insured · 125+ Projects ADU Grants Up To $125K $800 OFF All Projects Free Walkthrough — No Obligation Licensed & Insured · 125+ Projects ADU Grants Up To $125K
Commercial Division — Long Island

Built for
Business.

TPO, EPDM, and metal systems for warehouses, retail centers, and office buildings across Long Island. Minimal disruption. Maximum durability. Licensed and insured.

40.7712° N · 72.9934° W — SUFFOLK COUNTY

SERVICE: COMMERCIAL DIVISION — LONG ISLAND

LICENSE: VERIFIED

Commercial Division — Long Island

Commercial
Precision
Built to Code.

We install, repair, and maintain flat and low-slope commercial roofing systems across Suffolk County. From small retail buildings to large warehouses, we work with minimum disruption to your operations.

Our commercial crews follow OSHA safety protocols on every job and carry full commercial liability insurance. We're equipped for projects of any scale.

What's Included

  • TPO membrane systems (60mil, 80mil)
  • EPDM rubber flat roofing
  • Standing seam metal roofing
  • Modified bitumen systems
  • Roof coatings and restorations
  • Preventive maintenance programs
  • Emergency leak repairs
  • Skylight and drain installation
Get Free Estimate
Commercial Roofing Long Island
Why Choose Alec's

The Alec's
Difference

Minimal Business Disruption

We schedule around your operations. Night shifts, weekend crews, and phased installations available to keep your business running during the project.

OSHA Safety Protocols

Every commercial job follows OSHA safety guidelines. Full insurance coverage, safety officers on-site, and documented safety plans before work begins.

Commercial Insurance Experts

We've managed hundreds of commercial insurance claims. We work directly with your carrier to maximize your settlement and minimize your out-of-pocket costs.

Watch Our Work

See It In Action

Commercial Roofing project video
Commercial Roofing · Long Island, NY
Our Work

Commercial Roofing Projects

TPO Flat Roof — Shopping Center

TPO Flat Roof — Shopping Center

Hauppauge, NY
Metal Standing Seam — Warehouse

Metal Standing Seam — Warehouse

Bohemia, NY
Metal Roof — Office Building

Metal Roof — Office Building

Commack, NY
Execution Protocol

Our Process

How Every Project Gets Done
PROTOCOL_REV: 2.4.0
ENV: SUFFOLK_COMMERCIAL
Step 01 // Inspect

Site Assessment

ROOF_INSPECTIONFULL
DRAIN_SURVEYINCLUDED
CODE_REVIEWNY_STATE
ESTIMATE_ETA48 HRS
Step 02 // Propose

System Specification

MEMBRANE_GRADECOMMERCIAL
PRICE_LOCKWRITTEN
SCHEDULECOORDINATED
DISRUPTIONMINIMAL
Step 03 // Execute

Professional Install

CREW_GRADECOMMERCIAL_LIC
OSHA_PROTOCOLACTIVE
INSPECTIONTHIRD_PARTY
WARRANTY15_25_YR
Common Questions

Commercial Roofing FAQ

TPO is our most recommended system for commercial buildings — it reflects heat, resists UV, and performs well in Long Island's coastal climate. EPDM is excellent for budget-conscious projects. We'll recommend the best system for your specific building.
Depending on roof size, most commercial projects take 3–10 days. We can work nights and weekends to avoid disrupting your business hours.
Yes — we offer annual maintenance contracts for commercial properties. Regular inspections and preventive maintenance extend roof life significantly and catch problems before they become expensive.
Yes. We've handled roofing for retail shopping centers, industrial complexes, and multi-building campuses. We have the crew size and equipment for large-scale commercial work.
Manufacturer warranties range from 15 to 25 years depending on the system. We also provide a 2-year workmanship warranty on all commercial installations.
Start Your Project

Get Your Free
Commercial Inspection

We inspect your roof, identify problem areas, and provide a detailed proposal. No obligation. We work around your business schedule.

CALL DIRECT: (631) 312-7441

NO SPAM · NO OBLIGATION · FREE ESTIMATE