Map contamination instead of hiding it with color
If the floor has seen oil, fluids or repeated cleaning, mark the affected areas and describe the materials involved. Darkening the finish will not resolve contamination beneath it. Give the assessor the floor's history, including past attempts to clean, patch or coat the same spots.
Ask what investigation and preparation are needed before a system can be recommended. Conditions may differ between an open bay and the floor under equipment. If parts of the slab remain inaccessible, identify that limitation in the estimate and plan when those areas can be inspected.
Coordinate fixed equipment and floor work
Show lifts, benches, machines and other fixtures that affect preparation access. Explain whether they will stay, move or be replaced. Equipment removal and reinstatement should have assigned responsibility, including any work requiring another trade or a qualified equipment specialist.
Floor anchors and penetrations need coordination with the finished surface. Do not assume a coating will carry structural loads or alter an equipment manufacturer's installation requirements. Establish how the floor around fixed items will be prepared and where the coating will terminate.
Account for fluids, cleaning and surface texture
List the substances that may reach the floor and how long they can remain before cleanup. Include cleaners and any repeated hot-water exposure. Product suitability should be checked against those conditions rather than a broad claim that every epoxy system resists every chemical.
Discuss texture alongside sweeping, mopping and any wheeled equipment. More texture can change the cleaning effort and the feel of the floor. Compare the proposed finish with the actual maintenance routine, then obtain instructions for the installed system.
Define the return of tools and equipment
Preparation, application and curing each affect when a workshop can operate. Separate initial walking access from replacing benches, moving loaded equipment or returning vehicles. If the business has a fixed reopening target, share it early and discuss the selected materials, site conditions and availability before treating that target as confirmed.