01
TPO Roofing
A popular single-ply roofing system for flat and low-slope commercial roofs. TPO is durable, energy-efficient, and a strong fit for many commercial buildings.
Commercial Roofing in Portland, OR & Vancouver, WA
Your commercial roof protects your business, your inventory, and your operations. Jobin Roofing installs and repairs durable roofing systems for businesses across Portland, OR, Vancouver, WA, and the surrounding metro — built for the Pacific Northwest, with minimal disruption to your day-to-day.
Commercial Roofing Built for Your Business
From warehouses and retail centers to offices, multi-family buildings, and industrial facilities, Jobin Roofing handles commercial roofs of every kind across the Portland–Vancouver metro and Clark County. Whether you need a full re-roof, a repair, or a maintenance plan to extend the life of what you’ve got, we install weather-resistant systems sized to your building and your budget — and we’re licensed in both Oregon and Washington (OR CCB# 221810 · WA# JOBINRL824MZ).
Get A Free Quote
Commercial Roofing
Commercial Roofing Systems We Install
Commercial roofs are not one-size-fits-all. The right system depends on your building, slope, budget, and how the roof is used day to day.
02
PVC Roofing
A tough single-ply membrane often used on commercial buildings that need strong resistance to moisture, chemicals, grease, and daily exposure.
03
Built-Up Roofing
A proven multi-layer roofing system that adds redundancy and waterproofing protection for flat and low-slope commercial roofs.
04
Metal Roofing
A long-lasting option for the right commercial applications, offering strength, clean lines, and excellent durability when properly installed.
Not sure which system fits your building? We’ll assess it and give you a straight recommendation at your free estimate.
THE COMMERCIAL ROOFING PROCESS
Here’s an overview of how the commercial roofing installation process usually plays out:
Roof Inspection and Assessment
Before installation begins, a thorough inspection of the existing roof is conducted to assess its condition. Any necessary repairs or modifications are identified and addressed.
Design and Planning
A detailed roofing design is created, taking into account the building’s size, structure, and the intended use of the roof. This design includes the choice of roofing materials and system.
Permits and Regulations
Necessary permits are obtained, and the project is planned in compliance with local building codes and regulations.
Tear-Off (if required)
If the existing roof is in poor condition, it may need to be removed (i.e. torn off) before the new roof is installed.
Substrate Preparation
The roof deck or substrate is prepared to receive the new roofing system. This involves repairing any damaged areas and ensuring a smooth and stable surface.
Insulation Installation
Insulation materials are installed to improve energy efficiency and provide thermal protection.
Membrane Installation
The primary roofing membrane (e.g., single-ply, built-up, modified bitumen) is installed in accordance with the manufacturer’s guidelines. Seams are sealed to prevent water infiltration.
Flashing and Edge Details
Flashing is added around roof penetrations (vents, pipes, HVAC units) and at the roof’s edges to prevent leaks and enhance the roof’s integrity.
Roof Accessories
Roof accessories like roof drains, scuppers, and curbs are installed as needed for proper water drainage and functionality.
Final Inspections and Quality Checks
The installation is thoroughly inspected to ensure it meets the design specifications and industry standards.
Roofing System Protection
Depending on the roofing type, protective layers such as coatings or ballast may be added to enhance durability and weather resistance.
Clean-Up
The work area is cleaned up, and any debris is removed from the site.
COMMERCIAL ROOFING WARRANTY AND MAINTENANCE
We will speak with you about maintenance requirements to extend your roof’s lifespan as well as any warranties from Jobin Roofing or our suppliers.
EVERY CLIENT HAS UNIQUE COMMERCIAL ROOFING NEEDS
Commercial roofing installation can vary significantly depending on factors like the type of roofing material and the building’s specific needs. It’s important to work with experienced professionals to ensure a successful installation that meets your building’s requirements.
Contact Jobin Roofing today to discuss your commercial roofing project.
Communities We Serve
We proudly serve Southwest Washington and the Greater Portland area. Most of our work is in Portland itself, where we handle everything from roof repair and leak fixes to full roof replacement and commercial roofing. See all of our Portland roofing services.
Some of the areas (not limited to) that we serve are:
Protection
and PEACE of Mind
Protect your largest asset and increase curb appeal with a new roof today.
Common Questions About Commercial Roofing
It depends on the system and how well it’s maintained. A TPO or EPDM membrane typically lasts 20–30 years, built-up and modified bitumen roofs are in a similar range, and metal can last longer still. Regular maintenance is the single biggest factor — small issues like ponding water, failed seams, or clogged drains shorten a roof’s life dramatically when they’re ignored. A roof on a maintenance plan reliably outlasts one that only gets attention when it leaks, which is why we recommend scheduled inspections rather than waiting for a problem.
Yes. We schedule and stage commercial work specifically to minimize disruption — sequencing the project by section, working around your operating hours where needed, and keeping access and safety managed throughout. Most businesses stay open during a re-roof. We’ll walk through the timeline and logistics with you before the project starts so there are no surprises for your staff or customers.
Yes. Regular maintenance extends the life of the roof, catches small problems before they become expensive ones, and helps protect your manufacturer warranty, which can be voided by neglect.
Yes — we’re licensed in both Oregon and Washington and serve the full Portland–Vancouver metro, including Clark County.