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Metzger McGuire MM-80 Standard Gray 1 Gallon
MM-80 is a 100% solids, two component, heavy duty semi-rigid epoxy joint filler designed to fill and protect contraction and construction joints in industrial concrete floors subject to hard wheeled material handling traffic and heavy loads. Designed for use in areas where final temperatures are from 40°F to +120°F.
$110.29
Drop Shipped
SKU
17824
Professional Application Guide
Metzger McGuire MM-80 is the industry-standard, two-component, 100% solids semi-rigid epoxy joint filler developed for Class 6-9 industrial concrete floors. Formulated to protect joint edges under heavy loads and hard-wheeled traffic, MM-80 supports durable long-term performance in demanding environments.
Its superior balance of hardness and flexibility helps prevent edge spalling while allowing for slight movement. MM-80 can also be used for crack repairs and is available in both standard and silicone-free versions, making it suitable for food, automotive, and regulated facilities. Trusted for over 45 years, it remains the reference epoxy joint filler used in ACI and PCA guidelines.
Pro Tip from Our Technical Team
Based on 25+ years of industrial flooring experience: For projects over 1,000 sq ft or when faster application is needed, consider the MM-80P Pump System. The 1:1 mix ratio works with dual-component pumps for faster, more consistent application than hand-mixing.
Technical Specifications
Application Guidelines
Surface Preparation
Joints must be clean, dry, and free of oil, grease, curing compounds, and loose material. Joint walls should be sound concrete with no cracks or spalling.
Environmental Conditions
Apply between 50°F and 90°F. Substrate temperature should be above 50°F and at least 5°F above dew point to prevent condensation.
Quality Control
Joint depth should be 1/4" to 1/2" below floor surface. Mix thoroughly according to 5:1 ratio and apply immediately. Traffic ready in 8-12 hours at 70°F.
Frequently Asked Questions
What is the primary use of Metzger McGuire MM-80?
It is used to fill and protect control and construction joints in industrial concrete floors subject to heavy forklift and wheeled traffic.
Can MM-80 be used in outdoor or expansion joints?
No. MM-80 is not recommended for true expansion joints, exterior applications, or joints subject to extreme chemical exposure.
Is MM-80 approved for use in food processing facilities?
Yes, MM-80 is USDA, FDA, and CFIA acceptable for use in regulated environments once cured.
Professional Quality Assurance
Based on 45+ years of industrial flooring experience. Meets ACI and PCA specification standards for Class 6-9 concrete floors.
| Brand | Metzger McGuire |
|---|---|
| Color | Standard Gray |
| Size | 1 Gallon |
| Manufacturer | Metzger McGuire |
