Flat & low-slope
Flat & Low-Slope Commercial Roofing (TPO) in the Carolinas
Flat and low-slope roofs need a system built for standing water, sun, and foot traffic. BCI Roofing installs and repairs energy-efficient TPO and other low-slope membrane roofs on commercial buildings across the Carolinas, so your building stays dry and your energy bills stay down. Your Roof, Our Responsibility.
The answer
The short answer
Flat and low-slope commercial roofs use membrane systems like TPO that are designed to handle ponding water, UV exposure, and rooftop traffic. TPO in particular is popular because it is durable, energy-efficient, and cost-effective. BCI installs, repairs, and maintains low-slope roofing for warehouses, retail, offices, and other commercial buildings.
Why TPO
Why TPO for flat and low-slope roofs
TPO (thermoplastic polyolefin) is one of the most widely used commercial roofing membranes, and for good reasons:
Energy efficient.
TPO’s typically white, reflective surface bounces sunlight away, reducing heat gain and cooling costs on large flat roofs.
Durable.
Resistant to UV, punctures, and the ponding water that flat roofs deal with.
Cost-effective.
A strong balance of performance and price for commercial buildings.
Seam strength.
Heat-welded seams create a continuous, watertight membrane.
Details matter
The key to a flat roof: details and drainage
Flat roofs do not fail in the field, they fail at the edges, seams, penetrations, and drains. Proper flashing at walls and curbs, correctly welded seams, and good drainage are what keep a low-slope roof watertight for its full life. This is where an experienced commercial roofer earns their keep, and where cheap installs go wrong.
What we do
Installation, repair, and restoration
New installation and replacement
of flat and low-slope commercial roofs.
Repairs
for leaks, seam failures, punctures, and flashing problems.
Maintenance programs
to extend the life of your existing membrane and protect your warranty.
Why BCI
Why BCI
We bring 40+ years of roofing experience, careful attention to the details that make a flat roof last, and the responsiveness commercial building owners rarely get. We work around your operations and keep the site safe and clean.
FAQ
Frequently asked questions
What is the best material for a flat commercial roof?
TPO is one of the most popular choices for its balance of durability, energy efficiency, and cost. The right system depends on your building, budget, and how the roof is used. We will recommend what fits.
Why is my flat roof leaking?
Flat roofs usually leak at seams, flashing, penetrations, or drains rather than in the open field. We locate the real source and repair it correctly.
Is a white TPO roof really more energy-efficient?
Yes. A reflective membrane bounces sunlight away instead of absorbing it, which reduces heat gain and can lower cooling costs, a meaningful saving on a large flat roof.
Can you maintain my existing flat roof?
Yes. Regular maintenance catches small issues early, extends the life of the membrane, and helps keep your roof warranty valid.
Commercial roofing