Serving Garland - Dallas County
Commercial Roofing in Garland, TX
Most commercial roofs in Garland sit on buildings that make something or move something. Manufacturing plants, distribution buildings that predate the current warehouse boom by decades, and a sizable public inventory of schools and municipal facilities. Each of those three brings a constraint that has very little to do with membrane.
What leaves the building through the roof
A plant exhausts more than air. Solvent vapor, oil mist, cooking grease and chemical fume condense out downwind of whatever stack discharged them, and they land on roofing. Some of those chemistries soften a thermoplastic sheet. Petroleum products go after asphalt. The result is a failing ring around one fan on a roof that is otherwise sound, and it returns after every patch unless the material underneath changes.
So on a manufacturing building the system conversation starts somewhere unusual. Ahead of deck type and ahead of budget, we want to know what your process discharges and where it discharges it. That answer decides whether the field can run standard sheet with a rated protection layer at the discharge zone, or whether that zone needs a different membrane chemistry tied into the surrounding roof.
Then there is everything bolted through the deck after the fact. Process piping, dust collection duct, compressed air lines, conveyor supports and conduit runs accumulate over the working life of a plant, and each was flashed by whoever installed the equipment. Some of those are good details. Some are a pipe through a hole with sealant packed around it.
Rotating equipment adds movement. A fan or a compressor working on a curb transmits vibration into the deck and stresses the flashing at that curb harder than weather ever does. Those curbs get checked early on a plant roof, and they are frequently the reason for the call in the first place.
Distribution stock older than the warehouse boom
Garland has warehouse and light industrial buildings that were operating decades before the current wave of tilt-wall construction. Under the membrane on those you often find a gravel-surfaced asphalt roof and, below it, a deck that will not hold a fastener reliably. Gypsum, cementitious wood fiber and lightweight insulating concrete all belong to that era of construction, and any of them pushes attachment toward adhesive and pushes the price along with it.
Deck type is the single most consequential finding on a building of that vintage, and there is no reading it off the surface or off a drawing that may never have matched what got built. Twenty minutes with a core cutter beats a number written on an assumption about the deck.
Skylights and smoke vents on this stock deserve a separate look. Acrylic domes go brittle with age, curb metal corrodes at the base, and older units frequently have no fall protection at all. They are a safety finding before they are a leak finding, and they land in the deficiency list under both headings.
Public buildings run on a calendar, not on a budget
School work has a window and the window does not move. A roof over classrooms gets replaced between the end of the spring term and the start of the fall one, so the scope has to be measured honestly against the number of working days inside that window before anybody signs. Promising a summer and delivering into September is how a district ends up with children under an open deck.
Public procurement also wants the work described in a form that can be compared side by side. Quantities by line, materials named by specification rather than by preference, exclusions stated in writing, and a schedule that survives scrutiny. Scopes for public buildings get written that way because that is what the process requires of everyone bidding.
Occupied municipal buildings bring a list of their own. Hot work near a live fire alarm system needs coordination and often a temporary impairment procedure. Odor control matters over a library or a service counter. Roof access frequently runs through space the public uses, which changes where a ladder can go and when it can be there.
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Other cities on this side of the county
Garland roofs, common questions
Our plant exhausts solvent vapor onto the roof. Does that rule out single-ply?
Not on its own, but it decides how the area around the discharge gets built. Certain sheets tolerate certain chemistries poorly and break down in a pattern you can trace straight back to the fan responsible. The realistic options are a protection layer rated for that exposure across the affected zone, a different membrane chemistry in that zone tied into the field, or moving the discharge. Tell us what the process puts out and we can tell you which of the three applies.
Can a school roof genuinely be finished over one summer?
It depends on the square footage measured against the number of working days, and that arithmetic belongs before the contract rather than after it. Where the area is too large for the window, the honest answer is to phase by wing or by building section across two summers with a permanent tie-in at the break, instead of committing to a schedule that cannot hold.
We were told our deck will not take screws. Is that real?
Very likely, and it is common on buildings of a certain age in this city. Gypsum, cementitious wood fiber and lightweight insulating concrete decks do not give a fastener the pullout value a mechanically attached assembly needs. The usual answer is an adhered system, sometimes over a new substrate board. A pullout test on site settles the question and costs a great deal less than discovering it partway through installation.
Do you price from a written specification on public work?
Yes. Where a specification exists we price the work it describes and flag any conflicts we find rather than quietly substituting around them. Where none exists we write the scope with line-item quantities, named materials and stated exclusions, so two proposals can be laid next to each other and actually read against one another.
Our exhaust fans and compressors sit on roof curbs. Does the vibration matter?
It does, and it explains a flashing that fails while every similar detail nearby looks new. Rotating equipment works its curb continuously, the base flashing at the corners absorbs that movement, and sealant is the first component to give up under it. The durable answer is vibration isolation at the equipment together with a rebuilt corner detail, rather than another bead of sealant on a joint that is going to keep moving.