Modified bitumen (mod-bit) is asphalt roofing engineered for low slopes: multi-ply redundancy and a puncture toughness single-ply membranes cannot match.
Mod-bit’s argument on Commerce buildings is layers: two or more plies of polymer-modified asphalt build a roof with backup. A puncture must get through redundancy, not one membrane. It handles rooftop foot traffic well, which suits buildings whose roofs double as equipment yards. Modern cold-applied and self-adhered systems have retired most of the old torch-down fire concerns.
We install and service modified bitumen roofing across Commerce and the surrounding DFW communities: free written estimates, documented inspections, and honest guidance on whether this system actually fits your home and budget.
On the ground in Commerce
In Commerce, the Modified Bitumen Roofing conversation usually starts with the roof that is already up there. Housing this far out is less uniform than the inner suburbs; age, pitch, and construction quality vary house to house, so the material fit does too. That building stock puts membranes to work: seams, penetrations, and drainage patterns matter more than brand names, and the moisture survey decides restore-versus-replace.
Commerce handles roofing permits the way most Hunt County cities do: required where structure or full replacement is involved, quick when the paperwork is right. We file it. North Texas sits in the country’s most active hail belt, and single-ply shows bruise fractures that a chalk circle will not catch; instrument surveys find what walking the roof misses. The same crews run Greenville, Caddo Mills, and Dallas, so comparable local installs are usually close enough to go look at. Everything above gets specific, in writing, once we have looked at the actual roof.
THE SYSTEM
Modified Bitumen Roofing, up close.
Modified bitumen. Granule-surfaced torch-down sheets, lapped and sealed, an asphalt system laid flat.
PUBLIC RECORD
The local record behind Modified Bitumen Roofing in Commerce
How a roof system holds up in Commerce depends on the storms it has to take and the houses it sits on. Here is what the public record shows.
8
Hail days, 1 in.+ since 2006
5
Golf-ball-size hail days
3.5 in.
Largest stone on record
1976
Median year homes built
Hail near Commerce
Reported hail is less frequent around Commerce: NOAA lists 8 days since 2006 with hail one inch or larger within 5 miles. Fewer reports can also reflect fewer storm spotters in smaller communities, so a quiet record is not a guarantee. Hail that size was reported in 6 of the last 20 years. The largest stones on record nearby measured 3.5 inches (teacup size) on April 27, 2026.
April 27, 2026: 3.5-inch hail (teacup size)
June 19, 2019: 1.75-inch hail (golf ball size)
April 3, 2014: 1.75-inch hail (golf ball size)
October 24, 2010: 1.75-inch hail (golf ball size)
May 13, 2006: 1.75-inch hail (golf ball size)
How old Commerce homes are
The median home in Commerce was built in 1976, and 58% of the city's 3,658 housing units predate 1980. Many of these houses are likely on their second roof or nearing the point where they need one.
Sources: NOAA National Centers for Environmental Information, Storm Events Database (hail reports since 2006 within 5 miles of Commerce); U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Data pulled September 2026.
Common questions about modified bitumen roofing in Commerce
Is torch-down roofing safe?
Modern mod-bit rarely needs torches, since cold-applied adhesives and self-adhered sheets install without open flame. Where torch application is used, certified crews and fire-watch protocols are non-negotiable.
When does mod-bit beat single-ply in Commerce?
Heavy rooftop traffic and equipment service. The multi-ply build tolerates the abuse that punctures single membranes. Buildings whose roofs are working platforms are mod-bit's home field.
Do you install this on shops and outbuildings near Commerce?
Yes. Barns, workshops, and outbuildings are first-class projects out here, not afterthoughts, and the material conversation (usually metal-forward) covers them alongside the house.
How often does hail hit Commerce?
NOAA lists 8 days since 2006 with hail one inch or larger within 5 miles of Commerce. Smaller communities have fewer storm spotters, so reports tend to undercount what actually falls. The most recent report was 3.5-inch hail on April 27, 2026.
How old are most homes in Commerce?
The median home in Commerce was built in 1976, according to the U.S. Census Bureau's American Community Survey. 58% of the city's housing units predate 1980 and 6% were built in 2010 or later. Most homes here are well past the life of their original roof.