Commercial Roofing
A yellow ring below a skylight curb may be the first visible sign that a flashing connection has opened above it. In Edinburg, TX, we inspect the skylight, curb, surrounding membrane, fasteners, and interior condition before selecting a repair. The Valley's long heat-safety season cycles exposed sealants and flashing through sustained roof-surface heat, while Hanna brought wind and flooding impacts to Edinburg. Those conditions make a careful review of the curb and water path useful, but they do not identify the failure at a particular roof. We photograph the detail, test where appropriate, and define whether the work is limited to a flashing or includes wet material around the opening.
We look for separated membrane, cracked or missing sealant, loose counterflashing, corroded fasteners, and a curb that holds water at its base. A skylight may also have a failed lens or frame joint, so we separate the glazing condition from the roof connection. The interior stain helps direct the inspection but may sit away from the entry point. A commercial roof inspection compares the curb with nearby seams, drains, and roof-to-wall transitions before we set the repair boundary.
Other penetrations need the same trace-back discipline. Pipe boots, conduit supports, exhaust curbs, and service lines can move or separate as the roof assembly changes temperature. We check the opening, the attachment, and the membrane or metal around it, then note whether the penetration itself or the adjoining field appears to be the route. A leak investigation can add moisture readings or an approved test opening where the interior evidence does not show how far water traveled.
We identify the roof system and the type of curb before choosing flashing materials. A membrane detail may need a compatible preformed boot, welded flashing, or reinforced transition; a metal roof needs a connection that accommodates panel movement. We inspect fasteners and backing, clean or remove loose material, and check the adjoining field for moisture or prior patches. A TPO detail uses a different method from a metal-panel transition, so the repair plan names the actual assembly and how the new material ties into it.
For a skylight, the curb height and drainage at the base matter as much as the surface seal. Water can remain at a low edge or be directed toward the opening by a nearby cricket or insulation step. We check the slope and the downslope path, then consider whether an added diverter or drainage correction belongs in the scope. The drainage review can help when standing water around the curb relates to a broader low area rather than the flashing alone.
Wind can test the connection between the curb, flashing, and roof field, especially where an edge is already loose. Dolly brought gusts and minor damage to Hidalgo County communities including Edinburg, Pharr, and McAllen. After a tropical event, we inspect curb corners, loose metal, disturbed sealant, and openings that may have taken debris or water. The event is a reason to look, not proof that a skylight or pipe boot was damaged. We record the condition found on the roof and connect it to the specific repair proposed.
Hanna reporting documented wind and flooding impacts in Edinburg, including shingle loss and street flooding. For a commercial roof, we use that local context to remember both the opening and the drainage path around it. Water that enters at a curb may follow the deck before appearing inside, while ponding nearby can keep a weak seal exposed. A flashing-failure repair can rebuild the transition, and a roof repair visit can address associated membrane damage once the full boundary is known.
A small separation may need a focused repair if the curb, substrate, and surrounding roof remain dry and secure. If moisture has spread under the field or the curb is unstable, we open only the agreed area, photograph what is exposed, and mark the additional material that needs replacement. An overlay should not bury a wet skylight detail; a replacement plan or a larger section repair may be appropriate when the assembly around several openings has failed. We explain which condition drove the expanded scope before closing the roof.
The closeout record shows the original condition, prepared surface, rebuilt curb flashing, fasteners or termination used, and any material removed. It also notes whether the lens, frame, or curb itself remains outside the roof repair. A photo record makes later checks easier after cleaning, glazing work, or equipment service. If moisture remains uncertain, we may recommend an infrared survey or targeted test rather than extend a patch without evidence.
Where a roof opening has been patched more than once, we compare the repair layers and check whether a new seal concealed a moving joint. We look for water paths beneath the visible material and test a selected location only with approval. The report can mark the opening as confirmed dry, confirmed wet, or unresolved pending access, giving the owner a clear distinction between evidence and a planned follow-up.
Work at a skylight or penetration may require a controlled area below the opening, protection for desks or equipment, and coordination with the room's use. We confirm whether the space can be cleared, whether ventilation needs to remain on, and when noise or access restrictions are acceptable. The crew protects the opening if material is removed, then closes the detail before leaving. For multiple roof zones, a phased roof work plan can keep activities contained while the building remains in service.
We also coordinate with glazing and mechanical trades when their work touches the same curb or penetration. New wiring, pipe supports, or a lens replacement can disturb completed flashing if the sequence is unclear. The building contact identifies planned service work, and our closeout notes where the roof tie-in begins and which connections are part of the repair. For a property in the Edinburg service area, the photo record links each opening to the roof area so a later visit can return to the same detail.
Yes. Water may pass at the curb, flashing, fasteners, or membrane tie-in even when the glazing is not cracked. We inspect those connections separately and follow the interior symptom back toward the roof opening.
Only if the existing material is sound and the system calls for that treatment. Loose, wet, or incompatible layers need preparation or removal before a new flashing detail is installed.
We document the roof connection and identify when the lens or frame appears to need separate attention. The scope distinguishes roof flashing work from glazing replacement and coordinates the tie-in between both trades.
Water can travel along a deck or insulation joint before it becomes visible inside. We compare the stain with the roof plan, nearby details, moisture readings, and any approved test opening before setting the repair boundary.
That depends on whether water is entering and whether the curb remains secure. We document the current condition, identify any temporary protection, and show the risk of leaving an open or unstable detail in service.