Commercial Roofing
Hail leaves a roof looking fine from the lot and failing from above. A spring 2012 storm put large hail over the McAllen-Edinburg metro, and although forecasters treat such hail as unusual for the Valley, one event can bruise a membrane, crack a coating and dent edge metal on buildings along the north side of Edinburg, TX. We start with a roof walk that looks for impact marks, split seams and displaced flashings, photograph each, and separate storm damage from ordinary wear before any scope is written.
Hail damage on a low-slope roof hides in small details. A bruise in a thermoplastic membrane shows as a round dimple or a hairline crack, a modified bitumen cap sheet loses granules where stones landed, and a coating can fracture in a spiderweb pattern. Edge metal and rooftop equipment show dents and torn paint. None of it leaks immediately, so the marks are easy to miss from the ground.
We look at the field in raking light, probe suspected bruises with a gentle touch, and read moisture under the marks. A hail damage roof repair scope states which impacts penetrate the membrane and which are cosmetic, which matters to an owner deciding between repair and a claim. The photo record shows location and size so the findings stand up to review.
Timing matters after a hail event. Bruised membrane and cracked coating take on water at the first heavy rain, and delay can turn a claim-supported repair into a larger interior loss. We document first, stabilize any open spot with a temporary seal and then plan the permanent repair, with the insurer's review in mind when a claim is open.
Dolly's gusts of 50 to 70 mph crossed the county, and Hanna's July 2020 wind and street flooding reached Edinburg itself. For commercial roofs, the lesson is edges, flashings and drains. Wind lifts perimeter metal, and flooding rain tests every outlet.
After a tropical event we walk the perimeter, then the penetrations and equipment, then the drains. Loose coping gets re-secured, and displaced flashing is replaced before rain follows. A wind damage roof repair that begins at the edge keeps a small lift from becoming a torn membrane. Because tropical season begins in June, the first perimeter check belongs in the spring.
Drains deserve the same early attention. Hanna left street flooding, which is a reminder that outlets can be tested hard by a short, intense rain. We confirm that bowls and strainers are open, that the overflow path exists and that any ponding left a day after rain is traced to its cause.
Distribution and warehousing sit among the employers Edinburg lists, so a warehouse roof is a building type we expect on the north side. A warehouse roof is typically a large low-slope plane with limited penetrations, long wall transitions and interior racks that suffer from leaks. We check wall flashings, the low edge drains and the penetrations that do exist, because a single failed boot can wet product several bays away.
Where the building is a service or flex space, rooftop units add curbs, lines and foot traffic. We look at curb height, strap condition and any chafing of lines against the membrane. A warehouse roof review ties these items together, and the written record ranks them by what could reach the interior first.
Dock areas and canopies get their own look. A canopy roof that sheds water toward a loading door or a seam at the junction between a canopy and the main wall can drip on staged goods, and the flashing there is a common failure point on any building with docks. We photograph the junction and test the sealant and termination.
TxDOT lists Edinburg projects on Doolittle Road and FM 2812, connecting commercial sites with the north side network, and I-69C/US 281 runs along the city's northern edge. When road work changes truck approaches, we confirm the route, the laydown area and the delivery windows before a start date is set, then check them again close to mobilization.
On the roof, the walk follows the same order: perimeter, field, penetrations, drains. For a large roof, a drone roof inspection provides a full picture of ponding patterns and surface discoloration before we walk it, so the on-roof time goes to the areas that need hands-on probing and moisture readings.
Replacement work is reviewed under the city's adopted 2018 building and energy codes. A replacement that changes the roof assembly, the insulation or the wind resistance of the system can trigger review under those codes. We identify the proposed work and confirm the requirements with the city before scheduling, and we do not assume every repair follows the same path.
A commercial roof replacement on this side of the city is therefore planned with insulation levels, fastening and edge details in mind. An overlay remains an option only when the existing assembly is dry, attached and allowed to carry another layer. The report sets repair, recover and tear-off side by side with moisture findings and cost drivers.
Insulation is part of that comparison. An energy-code review may call for added insulation thickness or a cover board, and either changes the height of curbs, parapet flashings and door thresholds. Planning those transitions in advance avoids a surprise at the end of tear-off, when the new height meets an old detail. Door thresholds at dock bays are the usual pinch point: if the new roof edge rises above the interior floor line of a canopy or a loading door, water has nowhere to go but in, so we measure each threshold on the first walk and carry any change into the scope with a photograph.
Most sites can, with sections opened and dried in during each shift. Dock doors, truck routes and customer entrances are marked before work begins, and the crew keeps lifts and laydown away from them. Interior protection goes over racks, equipment or counters if a deck must be opened.
For owners with buildings in the city center or along the highway frontage, the US 281 and I-69C corridor and Downtown Edinburg have their own access and operating constraints. Findings stay in a roof condition report, and emergency response runs around the clock, holidays included.
Look for round bruises, hairline cracks, granule loss and dented metal, then confirm with moisture readings. A walk by a roofer in raking light finds marks that a ground view misses.
The warehouse tends to have a larger uninterrupted plane and long wall transitions, so we spend more time on seams, edge drains and flashings. An office roof usually has more equipment to review.
A change to the assembly, insulation or structure usually does. The city enforces its 2018 code adoption, so we confirm the scope with the building department before work.
Water control comes first, with protection over the product. Then we trace the opening, read moisture and plan the permanent repair from photographs.
Wet insulation, deck condition, the number of penetrations and disposal. A recover avoids tear-off cost but is only possible over dry, attached layers.