— Flat Roofing
Low-slope roof systems for commercial buildings, multifamily, and modern residential — engineered drainage and in-house sheet metal. Serving Dallas, Fort Worth, and the surrounding DFW communities.
Flat roofing — technically low-slope — appears on commercial buildings, multifamily, and increasingly on modern residential architecture in DFW. Proper drainage, membrane selection, and flashing detail determine whether a flat roof lasts 10 years or 30.
Knox Roofing installs and repairs the full family of low-slope systems: TPO, EPDM, modified bitumen, and low-slope metal. Our in-house sheet metal shop fabricates the drip edges, scuppers, and parapet caps — the details where flat roofs usually fail.
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— Why Knox
Four things we do on every low-slope install — because flat roofs fail at the details.
Flat roofs don't fail from the top — they fail from standing water. We slope, we taper, and we detail drainage correctly.
Parapet walls, drip edges, and scuppers fabricated in our sheet metal shop — no off-the-truck approximations.
TPO for energy efficiency, EPDM for longevity, modified bitumen for hail resistance, metal for custom architecture.
Flat roof leaks rarely originate where the drip lands. We trace back to the source — fasteners, seams, terminations.
We'll inspect your roof, walk you through TPO vs. EPDM vs. modified bitumen, and give you a transparent quote — no pressure.
Schedule Free InspectionFrom water-testing to warranty registration, here's how a Knox low-slope install runs.
Starting with a careful assessment — current condition, drainage pattern, penetration count.
We recommend based on your building's use, hail exposure, and warranty needs.
Seams, terminations, and metal details installed by the same team — not handed off.
Walkthrough, warranty documentation, and a maintenance reminder on our calendar.
10–30 years depending on membrane. TPO and EPDM both run 20–30 with good installation; modified bitumen typically 15–25.
Yes — flat and low-slope sections are common on modern and transitional home designs. We detail them the same way as commercial.
Almost always at seams, penetrations, or terminations — not in the field. Installation detail matters more than membrane choice.
Yes — quarterly and annual inspection/maintenance contracts for commercial and multi-unit clients.
— Your next roof starts with a phone call
Free inspection, written scope, no pressure. A Founder-led walk-through of exactly what your roof needs — and what it doesn’t.
— What homeowners say
Live feed of recent Google reviews from DFW homeowners and builders we’ve worked with.
