Existing Assembly Investigation
Identify every accessible roof layer, deck type, attachment, moisture condition, drainage pattern, defects and previous repair areas.
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(505) 324-1094
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Upgrade an aging commercial roof with a documented retrofit strategy—not a cover-up that traps moisture and inherits old failures. Magic Roofing evaluates the existing assembly, moisture, deck, attachment, drainage, penetrations and code conditions before recommending recover, restoration or replacement for Farmington and Four Corners commercial properties.
Commercial evaluation requests are available for qualifying Farmington-area properties. Active leak or storm emergency? Call for current 24-hour emergency availability.




Direct answer: A commercial roof retrofit upgrades an existing roof assembly instead of defaulting to full tear-off. Depending on the building, that may mean a membrane recover, insulation upgrade, metal-roof retrofit or restoration system. Retrofit is appropriate only when investigation confirms the deck and retained materials can safely support the new assembly. A retrofit can reduce demolition, waste and disruption when retained roof components are dry, stable, compatible and adequately attached. It is the wrong move when moisture is widespread, the deck is unsound, roof-layer limits are exceeded, drainage is defective or the existing system cannot support the proposed attachment and warranty requirements.
The exposed surface is only one part of the roof. A retrofit proposal should state exactly what remains, what is removed and how the new assembly connects to the building. Moisture findings, deck condition, attachment, insulation, cover board, membrane or coating, drainage, edges, penetrations and warranty eligibility should all be defined before work begins.
Identify every accessible roof layer, deck type, attachment, moisture condition, drainage pattern, defects and previous repair areas.
Locate wet or unsound components and define marked removal zones instead of trapping compromised materials below the retrofit.
Confirm layer limits, added weight, deck capacity, wind attachment and other project-specific requirements before selecting a system.
Specify insulation or flute fill, cover board, membrane or coating, attachment and separation components compatible with the retained roof.
Redesign edges, curbs, drains, scuppers, walls, penetrations and changes in elevation so the new system terminates correctly.
Inspect completed work, correct punch items and provide drawings, moisture records, warranty information and maintenance requirements when applicable.
Retrofit work begins with investigation—not product selection. Occupied operations, testing results, engineering, material lead times, permitting and weather may affect the plan, but the owner should understand why the retained assembly is acceptable and where removal is required.
Review records and inspect roof layers, leaks, drainage, deck, penetrations, edges and operational constraints.
Use appropriate investigation to identify dry, stable areas and materials that cannot remain.
Evaluate repair, coating, membrane recover, metal retrofit and full replacement against condition and life-cycle goals.
Remove designated wet areas, prepare the roof and install compatible components with required attachment and details.
Verify critical work, document the assembly and set inspection and maintenance expectations for the upgraded roof.
No single commercial roof system is best for every Farmington property. Existing materials, deck type, slope, moisture, drainage, rooftop exposure, operations, energy goals and budget determine which options deserve consideration.
Heat-welded single-ply membrane for eligible commercial flat and low-slope roofs.
Explore TPO Roofing → Chemical-Resistant OptionHeat-welded membrane often considered where grease, oils or specific chemical exposure affect system selection.
Explore PVC Roofing → Flexible Rubber MembraneEstablished single-ply system using compatible seam tapes, primers, adhesives and flashing components.
Explore EPDM Roofing → Fluid-Applied RestorationSilicone, acrylic and other coating systems for compatible roofs that are dry, stable and repairable.
Explore Roof Coatings →High winds, intense UV, hail, dust and large temperature swings place added stress on retained roofs and new retrofit interfaces. If wet insulation, loose metal panels, failed edges or poor drainage remain unresolved, the new surface can inherit the old roof’s problems.
A Farmington-area retrofit should account for actual deck and attachment conditions, wind zones, thermal movement, drainage, rooftop equipment and access. The best retrofit is not the least tear-off; it is the least invasive assembly that still produces a defensible roof.
Retrofit pricing is shaped by testing and retained conditions. Roof type, wet-area removal, preparation, insulation, cover board, flute fill, membrane or coating, attachment, perimeter work, drainage and occupied-building logistics all matter.
Roof investigation, wet-area removal, deck repair, existing profile, insulation, cover board, chosen system, attachment, details, access, phasing and warranty requirements affect price.
An eligible recover can reduce tear-off and disposal, but savings disappear if the scope ignores wet insulation, attachment deficiencies or transitions that later fail. Compare total assembly value, not demolition alone.
Coverage depends on the retained roof, approved retrofit assembly, preparation, attachment, detail requirements, manufacturer inspection and project eligibility. Not every existing roof qualifies.
Need a defensible commercial scope? Request a commercial roof investigation before committing to tear-off or recover. Magic Roofing can document the existing system and explain which retrofit options are technically supportable—and which shortcuts should be rejected.
Magic Roofing is based on Fairgrounds Road in Farmington. Farmington and San Juan County are the primary market for commercial retrofit roofing, with additional Four Corners availability depending on roof size, system, scheduling, travel and applicable licensing.
Primary local commercial service area. Building owners, property managers, facility teams and general contractors can request retrofit roofing evaluations for leaks, deterioration, storm damage, recover planning and capital improvements.
Regional retrofit roofing service may be available for qualifying commercial properties in northwestern New Mexico and surrounding Four Corners communities in Colorado, Arizona and Utah.
Do not assume availability from a city list alone. Send the property address, approximate roof area and known conditions so Magic Roofing can confirm current service coverage.
Commercial retrofit roofing upgrades an existing roof by retaining eligible materials and installing a compatible new assembly. Options can include membrane recover, added insulation and cover board, metal-roof retrofit or a fluid-applied restoration system.
A full replacement removes the existing roofing down to a defined substrate or deck. A retrofit keeps approved portions of the existing assembly. The decision depends on moisture, deck condition, attachment, layer limits, drainage, compatibility and warranty goals.
Wet areas usually need to be identified and removed. Limited wet zones may be replaceable within an otherwise eligible recover, but widespread moisture or an unreliable deck can make full tear-off the responsible option.
The contractor should review roof records, make core cuts or use other moisture investigation, assess the deck and attachment, inspect drainage and details, and verify applicable code and manufacturer requirements.
Yes, some structural and exposed-fastener metal roofs can receive approved recover or restoration assemblies. Loose panels, corrosion, fasteners, seams, penetrations, condensation, flute conditions and structural movement must be addressed first.
It can. A retrofit may add insulation or flute-fill material, but the design must consider condensation, vapor drive, fastening, heights at curbs and edges, drainage and applicable energy requirements.
A coating can be one retrofit option, but the terms are not identical. Retrofit roofing also includes membrane recover and other engineered upgrades. A coating is appropriate only when the substrate is compatible and the roof can be properly prepared and detailed.
Timing depends on roof size, testing, wet-area removal, system type, access, weather, operations, permitting and material availability. Retrofit can reduce disruption, but responsible preparation and detail work still require time.
Magic Roofing evaluates commercial retrofit projects throughout Farmington and San Juan County, including Aztec, Bloomfield, Kirtland, Flora Vista, La Plata and Navajo Dam, plus qualifying Four Corners properties.
Tell Magic Roofing about the building, existing roof, leak history, known drainage issues and project goals. The next step is a documented evaluation—not a retrofit recommendation made before anyone verifies the roof.