APF Epoxy 400 Wall Coating (W...
$210.00
APF Epoxy 400 Wall Coating (WC)
APF Epoxy 400 Wall Coating (WC) is a medium viscosity, 100% solids epoxy engineered specifically for seamless wall applications. Manufactured by Arizona Polymer Flooring (APF), part of ICP Group, it delivers physical strength, flexibility, chemical resistance, and heavy pigment loading in a single wall coating system.
The result is a high gloss, seamless, easy to clean wall surface built for commercial, institutional, food processing, health care, pharmaceutical, biomedical, and animal care environments.
Quick Answer: APF Epoxy 400 WC is a 100% solids, medium viscosity epoxy formulated specifically for vertical (wall) surfaces. It applies at 5 – 8 mils WFT per coat (approximately 200 – 320 square feet per gallon), typically requires 2 – 3 coats to reach the specified 12 – 20 mils installed dry film thickness, has a 25 minute pot life at 77°F, and reaches full cure in 7 days. Standard colors: White, Bone, Delta Fog, and Sterling. No separate primer is required — the first coat serves as the primer. Do not confuse this product with standard APF Epoxy 400, which is formulated for floors.
Where Epoxy 400 WC Fits in Your System
Epoxy 400 WC is the pigmented epoxy coating layer in a seamless wall system. It is applied directly to properly prepared concrete, masonry, or finished drywall. No separate primer product is required. The first coat of Epoxy 400 WC serves as the primer, with additional coats applied to build the specified film thickness and produce a pore free finish.
Fiberglass reinforcement can be incorporated between coats when the wall system requires additional strength or crack bridging capability. A variety of APF compatible topcoats can be applied over Epoxy 400 WC depending on the environment and the performance requirements of the finished wall.
Key Features and Benefits
100% solids epoxy: No solvent evaporation. Applied film thickness equals installed dry film thickness.
Medium viscosity: Improved flow and handling at lower temperatures, with excellent application qualities on vertical surfaces.
High pigment loading: Excellent substrate hide and consistent color when roller applied.
High gloss finish: Smooth, seamless wall surface that is easier to clean and maintain in service.
Physical strength and flexibility: Shore D hardness of 78 combined with 11% ultimate elongation.
Chemical resistance: Designed for commercial and institutional environments exposed to routine cleaning chemicals and service conditions. Contact APF Technical Service for a specific chemical resistance chart.
Fiberglass compatible: Can be reinforced with fiberglass when a stronger wall system is required.
Exceptional bond to concrete: Greater than 400 psi (ASTM D4541). At this bond strength, the concrete substrate fails before the epoxy to concrete bond does, indicating that the coating adheres more strongly than the concrete itself.
Low VOC: Clear at 70 g/L and Pigmented at 79 g/L.
Recommended Applications
Biomedical facilities
Pharmaceutical facilities
Food and beverage processing areas
Commercial kitchens
Health care and institutional buildings
Veterinary and animal care facilities
Mixing Instructions
Premix Part A and Part B separately for 3 minutes each before combining. Move the drill around the container to scrape the sidewalls and bottom.
Combine Part A and Part B at a ratio of 2 parts A to 1 part B by volume.
Mix the combined material for 3 minutes with a medium speed drill mixer and a suitable mixing paddle.
Continue scraping the sidewalls and bottom during mixing to ensure both components are completely incorporated.
Distribute the mixed material to the wall immediately after complete mixing.
Only mix as much material as can be applied within the 25 minute pot life at 77°F.
Contractor Tip: Plan each batch around the approximately 25 minute pot life at 77°F. Pot life becomes shorter at higher temperatures. Have rollers, trays, masking, wall sections, and additional installers ready before Parts A and B are combined. Size each batch so it can be rolled onto the wall before it begins to set. Material that has started to cure must not be rolled back into because overworking partially cured epoxy can create roller marks, uneven texture, and finish defects.
Coverage and Cure
Application Detail
APF Epoxy 400 WC
Mixing Ratio
2A : 1B by volume
Wet Film Thickness Per Coat
5 – 8 mils
Coverage Per Coat
Approximately 200 – 320 square feet per gallon, depending on applied thickness
Coverage Per 1.5 Gallon Unit
Approximately 300 – 480 square feet per coat
Coverage Per 15 Gallon Unit
Approximately 3,000 – 4,800 square feet per coat
Installed Dry Film Thickness
12 – 20 mils total, typically achieved in 2 – 3 coats
Pot Life at 77°F
Approximately 25 minutes
Dry to Touch at 77°F
Approximately 8 hours
Recoat Time at 77°F
Approximately 16 hours
Full Cure at 77°F
Approximately 7 days
Ambient Application Conditions
Ambient temperature must be at least 5°F above the dew point. High humidity or low temperatures will prolong cure time.
Coverage varies with wall texture, surface porosity, substrate condition, roller loading, application technique, and material remaining in the mixing container and tools. Higher temperatures shorten pot life and cure times. Lower temperatures and higher humidity extend cure times.
Surface Preparation
All surfaces must be clean, dry, structurally sound, and free from oil, grease, dust, wax, loose paint, curing compounds, and other contamination before Epoxy 400 WC is applied.
Concrete substrate requirements:
Concrete must be cured for a minimum of 30 days.
Minimum compressive strength of 3,000 psi.
Prepare the surface mechanically to achieve a minimum ICRI/CSP 3 – 4 profile. Refer to ICRI Technical Guidelines 310 – 330 for surface preparation standards.
Acid etching is not recommended and will void the manufacturer's warranty.
Vacuum the prepared concrete surface to remove all dust before application.
Previously coated surfaces:
Existing coatings must be soundly adhered.
Mechanically clean and abrade the existing surface to a uniformly gloss free, open texture before recoating.
Masonry and drywall:
Masonry: Remove surface projections, mortar spatter, and irregular areas by grinding, scraping, or other appropriate mechanical preparation.
Drywall: Finish to a Level 4 or Level 5 finish before coating.
Concrete moisture testing:
It is the applicator's responsibility to test concrete moisture in accordance with ASTM F2170-19. If moisture is indicated in excess of 85%, apply the APF VaporSolve® system per its published technical data sheet before installing Epoxy 400 WC. Contact APF Technical Service for further guidance.
Application Guidelines
Confirm that the prepared surface is clean, dry, and free of dust before beginning application.
Measure and confirm that ambient temperature and humidity conditions are at least 5°F above the dew point before mixing any material.
Mix Part A and Part B according to the instructions above.
Apply the material immediately after mixing.
Working from a mixing bucket (5 gallon size recommended) or roller tray, apply by dip and roll using a quality 1/2 inch or 3/8 inch solvent resistant roller cover.
Distribute the coating uniformly at 5 – 8 mils wet film thickness per coat.
Maintain a wet edge as the wall is coated.
Do not roll back into material that has begun to set.
Apply the next coat within the 16 hour recoat window to build the specified 12 – 20 mils installed dry film thickness, typically in 2 – 3 coats.
Ensure each coat is pore and pinhole free before the next coat or topcoat is applied.
If the 16 hour recoat window is exceeded, abrade the surface with 80 – 100 grit abrasive until the finish is uniformly dull and gloss free. Remove all sanding dust before applying the next coat.
Heater Warning: Do not use kerosene or propane forced air heating equipment during application or cure. Combustion byproducts can cause discoloration and finish defects in the applied coating. If supplemental heat is required, use only indirect fired or electric heating equipment.
Handling and Safety
Use only with adequate ventilation.
An appropriate cartridge type respirator must be used during application in confined areas.
Avoid contact with skin. Wear protective gloves and safety glasses.
Read and understand the current Safety Data Sheet (SDS) before use.
Product Specifications
Specification
APF Epoxy 400 WC
Product Type
Two component epoxy wall coating
Manufacturer
Arizona Polymer Flooring (APF), ICP Group
Solids Content by Volume
100%
Mixing Ratio
2A : 1B by volume
VOC, Clear
70 g/L
VOC, Pigmented
79 g/L
Shore D Hardness
78 (ASTM D2240)
Tensile Strength
6,230 psi (ASTM D638)
Ultimate Elongation
11% (ASTM D638)
Compressive Strength
19,501 psi (ASTM D695)
Flexural Strength
9,680 psi (ASTM D790)
Bond Strength to Concrete
Greater than 400 psi (ASTM D4541). Concrete substrate fails before coating bond.
Finish
High gloss
Standard Colors
White, Bone, Delta Fog, Sterling
Package Sizes
1.5 gallon (5.68 L) and 15 gallon (56.8 L) complete A+B units
Storage Temperature
50°F – 85°F (10°C – 30°C)
Shelf Life
1 year from date of manufacture for standard components, in original unopened container. The Clear A Component may have a different shelf life — contact APF for specifics.
Warranty
1 year from date of shipment. See APF Standard Warranty Statement for full terms.
Storage Warning: Store Epoxy 400 WC between 50°F and 85°F. Do not allow the material to freeze. APF states that frozen material is unusable and must be properly disposed of. In warmer climates, including Florida and other Gulf Coast regions, store the product in a climate controlled environment. Ambient temperatures in uncooled warehouses, storage sheds, and vehicles routinely exceed 85°F during warmer months, which can shorten shelf life and compromise product performance.
Frequently Asked Questions
What is APF Epoxy 400 Wall Coating used for? â–¾
APF Epoxy 400 WC is a 100% solids, medium viscosity epoxy designed for seamless wall applications in biomedical, pharmaceutical, food and beverage processing, commercial kitchen, health care, institutional, veterinary, and animal care environments.
Does Epoxy 400 WC require a separate primer? â–¾
No. Epoxy 400 WC is applied directly to properly prepared concrete, masonry, or finished drywall. The first coat of Epoxy 400 WC serves as the primer, with additional coats applied to reach the specified 12 – 20 mils dry film thickness.
What is the mixing ratio for Epoxy 400 WC? â–¾
Epoxy 400 WC mixes at 2 parts A to 1 part B by volume. Premix each component separately for 3 minutes, then combine and mix for another 3 minutes with a medium speed drill mixer and appropriate paddle.
How much area does Epoxy 400 WC cover? â–¾
Coverage per coat depends on the applied thickness:
At 5 mils WFT: approximately 320 square feet per gallon
At 8 mils WFT: approximately 200 square feet per gallon
1.5 gallon unit: approximately 300 – 480 square feet per coat
15 gallon unit: approximately 3,000 – 4,800 square feet per coat
When calculating material for a complete 2 or 3 coat installation, account for the required coverage of every coat.
How many coats are required? â–¾
Typically 2 – 3 coats are required to reach the specified 12 – 20 mils installed dry film thickness. The first coat also functions as the primer coat. Each coat should be applied at 5 – 8 mils WFT and be pore and pinhole free before the next coat or topcoat is applied.
How long is the pot life? â–¾
Pot life is approximately 25 minutes at 77°F. Only mix as much material as can be applied within that window. Higher temperatures shorten pot life, so material, tools, and the application area must be fully staged before mixing begins.
Can Epoxy 400 WC be applied over drywall? â–¾
Yes. Drywall must be finished to a Level 4 or Level 5 finish before Epoxy 400 WC is applied.
Can fiberglass reinforcement be used with Epoxy 400 WC? â–¾
Yes. Fiberglass reinforcement can be embedded between coats when the wall system requires additional strength or crack bridging capability.
How soon can Epoxy 400 WC be recoated? â–¾
The listed recoat time is approximately 16 hours at 77°F. If more than 16 hours passes, abrade the surface with 80 – 100 grit abrasive until the finish is uniformly dull and gloss free, remove all sanding dust, and then apply the next coat.
Is acid etching acceptable for concrete preparation? â–¾
No. Acid etching is not recommended by APF and voids the manufacturer's warranty. Prepare concrete mechanically to achieve a minimum ICRI/CSP 3 – 4 profile per ICRI Technical Guidelines 310 – 330.
What about concrete moisture? â–¾
The applicator must test concrete moisture per ASTM F2170-19. If relative humidity readings exceed 85%, the APF VaporSolve® system must be installed first per its technical data sheet. Contact APF Technical Service for guidance on high moisture substrates.
Can I use a propane heater during application? â–¾
No. Kerosene and propane forced air heaters can cause discoloration and finish defects due to combustion byproducts. If supplemental heat is required during application or cure, use only indirect fired or electric heating equipment.
What colors are available? â–¾
APF Epoxy 400 WC is available in four standard colors: White, Bone, Delta Fog, and Sterling. Contact One Stop Epoxy for color swatches or a physical color chart before ordering.
Technical and Safety Documents
For complete technical, handling, storage, and safety information, review the current APF product documents before installation. Product data and safety data sheets are updated periodically. Always confirm you are working from the current revision.
View TDS and SDS Sheets