Commercial Roofers in Monticello

Celebrated for our unmatched quality, reliability, and steadfast commitment, Tri-State Commercial Roofing Corp. has grown and flourished in Sullivan County, New York and beyond for more than three unforgettable decades. As a family-focused commercial roof company, we proudly deliver unmatched dedication and expertise to the greater New York, New Jersey, and Connecticut Tri-State area. With a proven track record spanning over 30 years, we stand at the forefront of the industry for commercial and industrial roofing projects of any scope. Our services span installation, various material and coating options, roof design, re-roofing, snow and ice removal, maintenance, replacement, restorations, roof repairs, and removal.

Established by Stuart Roberts, our company emphasizes achieving total customer satisfaction by cultivating lasting relationships with building owners, contractors, and property managers throughout the region. Our expert team ensures superior roof quality and an exceptional customer experience. With each member OSHA-certified, safety is paramount on every site. Our licensed, insured business is certified by leading roofing manufacturers like Carlisle, Tremco, Garland, Johns Manville, GAF, Sika Sarnafil, Soprema, Versico, Duro-Last, Firestone, and more, offering diverse roofing systems crafted to suit each project’s requirements and budget. As we enter our fourth decade in business, Tri-State Commercial Roofing Corp. remains committed to delivering excellence across every project phase. We welcome you to experience the dedication and superior craftsmanship that define us.

Comprehensive Commercial Roofing Services

PVC Roofing

PVC (Polyvinyl Chloride) roofing offers flexibility, superior reflectivity, and the ability to block up to 90% of UV rays that degrade conventional flat roofing materials. It is designed to withstand ponding water through hot-air welding, ensuring a seamless, monolithic installation where seam strength enhances overall roof durability. Cooling costs are reduced with PVC roofs that prevent buildings from absorbing excess heat. PVC roofing, backed by our commercial roofers, is deemed versatile, featuring various designs, thicknesses, colors, and sizes for low-slope and flat roofs.


PVC roofing repair is a process that focuses on maintaining the longevity and structural integrity of your roof. At Tri-State Commercial Roofing Corp., our experts initiate the process by cleaning the roof to eliminate dirt, loose materials, and debris, followed by removing damaged sections of the membrane. We custom-cut a PVC patch that overlaps the damaged area on all sides, then weld it onto the existing membrane. Our inspection and testing processes ensure proper fusion and complete your PVC roof repair.


Aesthetically pleasing

Exceptionally strong and durable

Resistant to ponding water

Highly functional

Resistant to chemicals, fire, and wind

Heat absorption helps cut down on cooling costs

Built to endure heavy rainfall and snow accumulation


When we start a PVC roof replacement project, we first remove the old roof, inspect and repair the deck as needed, and perform necessary preparations. Then, we move on to the next step of Monticello commercial roof replacement – rolling out the PVC membrane and cutting it to size. We place and secure the sheets, weld the seams tightly to seal them against water, and incorporate flashings and edge features to safeguard against leaks. Completing PVC roofing replacement entails inspecting every aspect to ensure precise installation and adequate sealing.

EPDM Roofing

EPDM roofing, commonly known as rubber roofing or Ethylene Diene Monomer, is a popular choice among commercial properties in the northeast. Its rubber-like flexibility, available in white or black, is well-suited for low-slope and flat roofs. It excels in resisting harmful UV rays, fire, and wind damage. The seams where EPDM sheets meet flashing components are sealed using specialized adhesives to ensure a robust and long-lasting bond.


EPDM roof repair involves straightforward steps, often focusing on specific issues like tears, leaks, or membrane seam separation. The process of EPDM roofing repair begins with a thorough visual assessment of the roof or employing advanced leak detection methods to identify potential problems. With the guidance of your proficient Monticello commercial roofers, we start by clearing affected areas, applying essential primers, and/or utilizing patches or adhesives where needed. Precise execution of your commercial roof repair is vital to preserve membrane integrity and forestall future complications.


Low maintenance

Long lifespan


Easy installation for commercial roof contractors


In cases where your current roof is no longer suitable or has sustained irreversible damage, we’ll suggest an EPDM roof replacement. This procedure involves removing the current EPDM membrane, preparing the roof substrate, and installing a new one. When you opt for our EPDM roofing replacement service, you receive ongoing protection, reliable performance, and warranty backing. Regular commercial roof maintenance is recommended to ensure the longevity of your EPDM roof. All in all, EPDM roofing provides a cost-effective, dependable, and flexible option for commercial roofs.

TPO Roofing

TPO (Thermoplastic Polyolefin) is a commonly chosen single-ply roofing membrane, appreciated for its high solar reflectivity akin to PVC. It demonstrates strong resistance against tears, punctures, and impacts, installed in large sheets typically ranging from 10 to 16 feet wide and up to 100 feet in length. Its flexibility is tailored for Monticello’s temperature swings. TPO features hot-air welded seams and flashings, combined with algae resistance and environmental friendliness.


TPO roof repair entails a series of critical steps aimed at maximizing its durability and longevity. Initially, a comprehensive inspection is performed to identify damage such as punctures, tears, or seam failures. The surface is then cleaned to remove dirt and contaminants. Minor issues are handled by cutting a PVC patch to size and attaching it to the current membrane with a hot-air welder. Larger or more complex repairs may involve the replacement of membrane sections. Once the TPO roofing repair is finished, testing is conducted to verify the waterproof integrity of the seams. Consistent maintenance inspections help prolong the roof’s life and prevent future commercial roof repairs.


Maintains durability through severe weather conditions

Resists impact, tears, and punctures

Maximizes solar reflectivity to reduce energy bills and limit heat absorption

Adaptability to temperature fluctuations prevents the formation of cracks

Hot-air welded seams for a seamless, watertight, leak-resistant, and water-damage-resistant roof


At the onset of TPO roofing replacement, the first task is to remove the existing roofing material, encompassing worn PVC membranes and any deteriorated insulation layers. Following this, we assess and fix the roof deck as necessary to establish a secure foundation. Then, insulation is applied to enhance energy conservation. Large panels of fresh PVC membrane are rolled out and meticulously positioned. Through hot-air welding, the seams are melded together, resulting in a seamless, water-resistant finish. Flashings and edge details are welded to ensure extensive coverage and protection. Finally, detailed inspections confirm the adhesion and seam integrity, ensuring the resilience and long-lasting effectiveness of the TPO roof replacement against varying weather conditions.

Built-Up Roofing

Modified bitumen roofing has progressed beyond standard asphalt methods by incorporating asphalt with rubber modifiers, solvents, and plasticizers. Installation typically employs two methods: hot application, involving heating seams to meld asphalt for a secure bond, and cold application, which uses adhesives to attach the membrane sheets to the substrate and subsequent layers.


Built-up roofing repair starts with assessing for issues such as blisters, loose gravel, or cracks, followed by cleaning the affected area and applying fresh bitumen or adhesive where necessary. Seams and flashings undergo inspection and repair to prevent leakage. After repairs are completed, a thorough inspection of the roof evaluates waterproofing and adhesion. Our Monticello commercial roof repair team will also recommend regular maintenance to promote lasting durability.


Good fire resistance with the option to include fire retardant additives for greater protection

Layered and reinforced design provides outstanding weather resistance and waterproofing





Regular maintenance can lead to a lifespan of 20 years or more


BUR (built-up roof) replacement starts with removing the current materials to expose the roof deck, inspecting it for needed repairs. Insulation might be added to boost energy efficiency. Fresh layers of bitumen and fabrics are applied with cold adhesives or hot asphalt. As part of the commercial roof replacement, waterproofing is ensured through protective surfacing, flashing, and sealants. To wrap up, an inspection is carried out to validate adhesion and structural integrity. Regular maintenance and inspections after installation are vital for sustained performance.

Metal Roofing

Metal roofing consists of panels crafted from aluminum or galvalume, produced in factories or formed to specifications on-site, accompanied by a range of flashing designs. IIt is suitable for installation on roofs with varying slopes, frequently chosen for its ability to complement the architectural and aesthetic appearance of other roofing materials. Available in a spectrum of colors, metal roofing panels are adaptable for installation on curved sections of roofs. They have a lifespan of 40 to 70 years, determined by the metal type and surface finish.


Metal roof repair starts with an inspection to identify punctures, corrosion, or dents. Next, surface preparation involves cleaning off rust, dirt, and debris. For minor issues, sealants or patches are applied, while more extensive damage may necessitate complete panel replacement. Checking and repairing flashings and seams is essential to prevent water damage. After the metal roofing repair is completed, we confirm sealant adhesion and waterproofing. Routine maintenance aids in early issue detection, prolongs roof lifespan, and maintains aesthetics and functionality.


Low maintenance


Versatile and practical

Reduces cooling costs, minimizes heat absorption, and promotes energy efficiency


Exceptionally long lifespan of 40 to 70 years

Highly resistant to mildew, insects, rot, and fire

Fully recyclable and sustainable


To initiate metal roof replacement, we begin by removing the existing flashing and panels to thoroughly examine the roof deck for any potential damage, which is promptly addressed. Upgrading insulation can further improve energy efficiency at this stage. Installing new aluminum or galvalume panels involves securely positioning them according to the roof’s incline and design. Applying flashings and sealants is essential for waterproofing purposes. A thorough inspection follows to verify installation quality and adherence to codes.

For all your commercial roofing needs, turn to Tri-State Commercial Roofing Corp. Give us a call today at (845) 362-1730 to learn more!