Defining the Service Environment Before Selecting the Floor

Build a Service-Environment Profile

A service-environment profile is a written description of the conditions the completed floor will experience. It should include normal operations, cleaning, maintenance, occasional spills, and reasonably foreseeable abnormal events.

Traffic Must Be Defined Precisely

The description “heavy traffic” is too vague for flooring-system selection. A heavily traveled pedestrian corridor does not create the same stresses as a forklift turning aisle or an aircraft maintenance position.

Traffic Questions

• What types of traffic will use the floor?
• How frequently will each type pass through the area?
• What are the loaded weights of vehicles and equipment?
• What materials are used for wheels and tires?
• Where will vehicles turn, brake, park, or accelerate?
• Are steel wheels, hard casters, or damaged wheels present?
• Will dirt, sand, metal chips, or other abrasive material be tracked inside?
• Will racks, machines, jacks, or outriggers create concentrated loads?

Traffic patterns should be marked on a floor plan. Doorways, loading areas, turning points, production cells, and narrow travel lanes often require more protection than surrounding areas.

Impact and Abrasion Are Different

Abrasion gradually wears away the floor surface. Impact applies a sudden force that may chip, crack, crush, or gouge the flooring system and concrete beneath it.

The flooring system must be selected for both the frequency and severity of these exposures. Severe impact may require a thicker mortar or resurfacing system rather than a conventional thin-film coating.

Temperature and Thermal Service

Flooring systems may be exposed to ovens, freezers, hot-water washdown, steam, sunlight, hot tires, hot process liquids, or rapid temperature changes.

The service profile should identify:

• Normal operating temperature
• Minimum and maximum expected temperatures
• How quickly temperature changes occur
• Whether temperature changes are localized or widespread
• Whether hot or cold liquids contact the floor
• Frequency and duration of thermal exposure

Thermal shock can create stress because the flooring system and concrete may expand and contract at different rates. System chemistry and thickness should be matched to the expected thermal cycle.

Wet Service and Drainage

Water exposure can range from occasional damp cleaning to continuous wet processing. The contractor must distinguish between surface water, moisture within the slab, and water pressure beneath the slab.

Wet-Service Questions

• Will the floor be dry, intermittently wet, or continuously wet?
• Will water be hot, cold, pressurized, or chemically treated?
• Are drains correctly located and functioning?
• Does the floor slope toward the drains?
• Are there depressions where liquids will collect?
• Will cleaning water reach joints, walls, equipment bases, or penetrations?
• Can moisture enter through exterior doors or building leaks?

A coating follows the shape of the concrete. It will not correct widespread drainage problems unless the scope includes an appropriate sloping or resurfacing system.

Cleaning and Sanitation

Cleaning is part of the floor's service environment. Detergents, sanitizers, scrubber pads, pressure washers, hot water, and steam can expose a floor to more stress than normal production.

The contractor should identify:

• Cleaning products and their concentrations
• Water temperature
• Cleaning frequency
• Brushes, pads, scrubbers, or pressure equipment
• Required sanitation or disinfection procedures
• How quickly cleaning liquids are removed
• Whether floor texture can be cleaned effectively

The most aggressive cleaning condition should be included when evaluating chemical and thermal resistance.

Slip Resistance and Surface Texture

The required texture depends on the contaminants, traffic, footwear, slope, cleaning procedure, and safety expectations of the facility. One texture may not be suitable for every area.

An approved mockup can help the owner compare traction, cleanability, gloss, appearance, and rolling characteristics before full installation.

Appearance and Facility Use

Appearance requirements should be defined before the system is selected. Broad terms such as attractive, uniform, or high gloss can mean different things to different people.

• Color and acceptable color variation
• Gloss level
• Decorative flakes, quartz, or other aggregate
• Light reflectance
• Traffic lanes and pedestrian walkways
• Safety markings and production zones
• Acceptable texture variation
• Visibility of repairs and construction joints

The customer should understand that highly reflective floors may reveal surface irregularities, roller marks, repairs, and concrete variation more readily than lower-gloss or textured systems.

Installation and Return-to-Service Limitations

The best-performing system may not be practical if the facility cannot provide enough time for preparation, installation, and cure. The service profile should therefore include project logistics.

• Available shutdown duration
• Permitted working hours and shifts
• Access for equipment, materials, and waste removal
• Whether the facility will remain occupied or operational
• Dust, odor, noise, and ventilation limitations
• Available heating, cooling, and dehumidification
• Time required before pedestrian, vehicle, chemical, or washdown service
• Whether the work must be completed in phases

Rapid-return systems may reduce downtime, but faster cure can also reduce working time and increase the importance of crew coordination, staging, and environmental control.

Questions to Ask the Facility Owner

1. What work is performed in each area?
2. What traffic crosses the floor, and where does it turn or stop?
3. What loads, impacts, and abrasives should be expected?
4. Which chemicals and cleaning materials contact the floor?
5. What temperatures and temperature changes occur?
6. Is the floor normally dry, wet, or continuously exposed to liquid?
7. What texture and slip-resistance expectations apply?
8. How is the floor cleaned, and what equipment is used?
9. What appearance, color, gloss, and marking requirements apply?
10. How much shutdown and cure time is available?
11. Which previous floors or repairs have failed, and why?
12. Who has authority to approve the system and final mockup?

Knowledge Check

Technical References

• ASTM F710, Standard Practice for Preparing Concrete Floors to Receive Resilient Flooring.
• ASTM F2170, Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using In Situ Probes.
• ASTM D4258, Standard Practice for Surface Cleaning Concrete for Coating.
• ASTM D4259, Standard Practice for Abrading Concrete.
• ASTM D7234, Standard Test Method for Pull-Off Adhesion Strength of Coatings on Concrete Using Portable Pull-Off Adhesion Testers.
• ICRI Technical Guideline No. 310.2R, Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, Polymer Overlays, and Concrete Repair.
• OSHA requirements applicable to workplace walking-working surfaces and facility safety.
• Current technical data sheets, safety data sheets, chemical resistance charts, installation instructions, and written recommendations supplied by the flooring-system manufacturer.

Standards, regulations, and manufacturer documents may be revised. Confirm that the current editions and the project-specific requirements are being used.