Commercial Roofing in Coker, AL
A curb that has been reused through two unit replacements tells a superintendent more about a roof than the membrane does, since each swap cuts the flashing a little differently and each new unit shifts the load on the deck. Coker, AL, had 904 residents in 2020, was incorporated in 1999 and is part of the Tuscaloosa metro. A commercial roof in a town of that size is usually read building by building, with attention on the curbs, the drains and the edges.
Every Coker job opens with a commercial roof inspection: the roof system, the deck under it and each penetration are identified, and each roof section is ranked by what it needs. The list reaches the asset manager with photographs and costs attached, to be sorted into repairs this year, items to monitor and expenses to carry on the books.
Rooftop Unit Curbs and Penetrations
A curb should rise high enough above the membrane to keep splash and standing water away from its base, and its flashing should turn up the curb face, lap over the top edge and bond to the roof with a continuous seam. We check the height, probe the corners, look at the sealant and compare the flashing material with the membrane, since an incompatible material fails at the lap.
Units added later often get flashing that was done quickly. We count them, number them on the roof plan and note each unit's age if the nameplate shows it. A curb in a low spot leaks sooner than one on a draining surface, which is why a repair may add a cricket or a drain nearby. Rooftop equipment curb and support work is quoted by the unit and kept on record, so the next replacement starts from the same drawing.
Mechanical contractors and roofers meet at the curb, and that is where responsibility blurs. The unit belongs to the mechanical trade, the flashing belongs to us and the curb itself may belong to either. Before the lift, the two trades agree on who sets the unit and who seals the curb, and the plan gets a dated mark for the change plus a photograph of the flashing taken before the unit goes back on. When the same curb leaks again, the history is on one page.
Fire Response and Roof Access
Coker relies on a volunteer fire department, which makes a plain point for a building owner: the roof should be easy to understand for anyone who has to reach it in an emergency. We mark the roof hatch or ladder location, note any skylights and openings that could be mistaken for solid surface and record the equipment that sits near the access route.
If a fire has already damaged a roof, the scope changes. Charred decking, heat-distorted insulation and water from firefighting all need attention, and the deck has to be checked before anything is laid. Fire damage roof repair begins with a safe walk, a core cut at the worst area and a written list of sections that can stay and sections that must come off. The record also serves an insurance file.
Heat distortion is the quiet finding after a fire. Insulation boards can shrink or char without any visible flame damage on the surface, and the membrane above them then sits on a surface that is no longer flat. We probe for soft spots and listen for hollow sounds, and a moisture scan across the area shows where water from the response has settled. Those results decide whether a section can be dried and kept or has to be cut out down to the deck.
Wind, Tornado History and Edge Metal
Tuscaloosa County has seen an EF4 rated at 190 mph in April 2011 and an EF1 near Samantha in March 2007 whose estimated 105 mph winds took part of the roof off a brick home, so wind-uplift rating and edge metal are the first items an asset manager should know for every section.
Around the perimeter we inspect cleats, fasteners and sealant, then test a few fasteners for grip where the attachment looks questionable. A loose edge is how most peels begin, and a short repair at the edge costs far less than a field repair after the sheet has lifted. Where a roof has already been opened by wind, wind damage roof repair secures the perimeter first and then deals with the field.
Highway Access and Material Delivery
Coker is in Tuscaloosa County, which is crossed by US 11, US 43 and US 82. Those routes bring trucks into the area, and the last stretch to a building may be a local road with limited turning room. We confirm the route, the staging area and the closest place for a lift before the crew leaves, and we ask whether the lot is shared with a neighbor.
On an occupied building the work moves in sections, each one closed before the shift ends. Deliveries are timed so they do not block customers or emergency access, and the plan is set in writing ahead of the first day. The same discipline carries to properties in the Airport Industrial Park and other places in the county, though each site has its own access and its own roof. For an owner with a building in Northport as well, the same route plan and the same roof record format apply, and the two buildings can be compared on one page.
A lift parked on soft ground after rain can sink or tip, so we check the surface at the staging spot and bring mats when the lot is gravel or lawn. A delay for a stuck lift costs more than the mats do.
Repair, Recover or Replace
Local failures with dry insulation and a sound deck are a repair. Wet insulation across a wide area, a deck that has lost section or a roof that has become a patchwork of patches is a recover or replacement candidate. Each option is laid out with what it keeps, what it removes and what could change the price, and the sections are walked with the asset manager before a number is quoted.
A larger project is built to the state's adopted 2021 International Building Code, as amended in 2025. A year here brings about 53.5 inches of precipitation and, at the extreme, 107 F, so the work is planned for the weather as well. A roof capital plan spreads cost over several years, and each entry carries its photographs, its core results and the open questions that remain.
Commercial Roofing Questions
How do you check a rooftop unit curb?
We measure its height, probe the corners, look at the sealant and compare the flashing with the membrane. Each curb is numbered on the roof plan.
What does fire damage do to a roof?
It chars the deck, distorts insulation and lets firefighting water into the layers. We check the deck and core the worst area before any repair is scoped.
Why mark the roof access on the plan?
So anyone who has to reach the roof, including responders, can find the hatch, the openings and the equipment quickly.
Does a loose edge always mean a bigger problem?
Not always, but it is where most peels start. A short edge repair costs far less than a field repair after the sheet has lifted.
Can the work be done on an occupied building?
Yes. We work in sections, close each at the end of the shift and plan deliveries around customers and emergency access.