The SLABHARD® AutoShield System is a high-performance epoxy and polyurethane automotive floor coating system engineered for continuous vehicular traffic. Professional contractors install this multi-coat solution in automotive showrooms, vehicle maintenance bays and commercial garages where durability is essential. As one of our most durable resinous flooring systems, it provides a seamless surface that withstands daily exposure to oils, fuels and automotive fluids.
Recommended Uses
- Automotive showrooms and repair facilities
- Vehicle maintenance and detailing bays
- Commercial garages and workshops
- Industrial traffic areas requiring easy maintenance
- Environments where cleanability and daily wear are priorities
Advantages
- Moisture Mitigation: Optional SLABLOC® 100 vapor barrier controls moisture transmission up to 20 pounds to improve adhesion on green or moisture-laden concrete.
- Chemical and Abrasion Resistance: The high-build epoxy and polyurethane topcoat protect the concrete substrate from degradation caused by oils, fuels and brake fluids.
- Fast-Cure Installation Options: Substituting SLABREZ™ GPE Fast Cure for standard base coats accelerates the return-to-service time for time-critical projects.
- UV-Stable Finish: The SLABSEAL™ 300 polyurethane topcoat delivers a high-gloss surface that resists yellowing and staining over time.
- Regulatory Compliance: The system meets USDA, FDA, FSMA and LEED® requirements while remaining VOC compliant in all 50 states.
Performance Characteristics
- Compressive Strength (ASTM D695): 9,500 psi
- Tensile Strength (ASTM D638): 7,500 psi
- Flexural Strength (ASTM D790): 9,500 psi
- Adhesion to Concrete (ASTM D7234): Greater than 400 psi with concrete failure
- Taber Abrasion (ASTM D4060): Less than 30 mg loss
- Hardness (ASTM D2240): 75 to 80 Shore D
- Water Absorption (ASTM D570): Less than 0.1 percent
- VOC Content (ASTM D3960): Less than 50 g/L
System Build
- Layer One: SLABLOC® 100; 100 percent solids epoxy vapor barrier that prepares the substrate and blocks moisture drive.
- Layer Two: SLABFLEX™ 300; Flexible epoxy for static crack repair and joint filling.
- Layer Three: SLABREZ™ GPE or SLABREZ™ 100: Primer that promotes adhesion to concrete.
- Layer Four: SLABREZ™ GPE; High-build epoxy providing chemical and mechanical strength.
- Layer Five: SLABSEAL™ 300; UV-stable, chemical-resistant polyurethane providing high gloss and stain resistance.
Frequently Asked Questions
What is the required surface preparation for the SLABHARD® AutoShield System?
Crews must mechanically prepare the concrete to an ICRI Concrete Surface Profile (CSP) of two to three. Installers should vacuum all dust and repair spalls, cracks and voids before coating application.
How long must new concrete cure before installing this system?
New concrete must cure for a minimum of 28 days and achieve a compressive strength of 4,000 psi before contractors apply the coating.
When is the SLABLOC® 100 moisture mitigation layer required?
Installers must apply SLABLOC® 100 if moisture testing per ASTM F2170 or F1869 indicates a moisture vapor transmission rate exceeding three pounds or a relative humidity above 85 percent.
What is the return-to-service time for the SLABHARD® AutoShield System?
The floor requires 48 hours of curing at 75 degrees Fahrenheit before light pedestrian traffic and five to seven days before full vehicular traffic.
Can contractors accelerate the installation timeline?
Yes. Installers can substitute SLABREZ™ GPE Fast Cure for the standard build coat to achieve a four to six-hour recoat window.