Dayton Superior J40 Acrylic Bonding Agent, 1 Gallon

Dayton Superior J40 Acrylic Bonding Agent – 1 Gallon

The Dayton Superior J40 Acrylic Bonding Agent – 1 Gallon is a high-performance adhesive formulated to significantly enhance the bond strength and durability of concrete, masonry, stucco, terrazzo, and cement-sand mixtures. This ready-to-use acrylic bonding agent delivers strong adhesion between old and new surfaces, making it perfect for repair, overlay, and patching applications in both residential and commercial construction. 

Non-Reemulsifiable Formula: Maintains bond integrity after drying for long-lasting performance. 

• Ready-to-Use: No mixing or special equipment required, saving time and labor. Versatile Adhesion: Works on concrete, masonry, stucco, terrazzo, and cementitious mixes. 
• Durable & Flexible: Provides improved durability and resistance to cracking and separation. 
• 1-Gallon Size: Ideal for multiple repair jobs or medium-sized overlays. 

Available for purchase here: Dayton Superior J40 Acrylic Bonding Agent – 1 Gallon. 

Applications

This versatile bonding agent is widely used for:

• Concrete overlays and slab repairs
• Bonding new concrete to existing surfaces
• Patching mortar and cement mixes
• Stucco and terrazzo adhesion
• Both horizontal and vertical applications

Its strong adhesion properties make it suitable for repair work, renovations, and maintenance, ensuring a reliable bond where it matters most.

Benefits

Using the J40 Acrylic Bonding Agent provides:

• Improved Adhesion: Creates a stronger bond between substrates to reduce delamination and separation. 
• Better Durability: Helps minimize cracking and enhances long-term performance. 
• Enhanced Workability: Simple application process compatible with most cementitious mixes. 
• Time Savings: Reduces rework and accelerates project completion. 

How to Apply

1. Surface Prep: Ensure the surface is clean, sound, and free of contaminants like dirt or loose material. 
2. Apply Evenly: Coat the surface with J40 using a brush, roller, or sprayer. 
3. Curing: Follow the recommended curing conditions for best performance. 
4. No Dilution Needed: The product is ready-to-use straight from the container. 

For best results, apply cementitious materials while the bonding agent is still wet on the surface (don’t let it dry before applying mortar or concrete). 

Summary

The Dayton Superior J40 Acrylic Bonding Agent delivers reliable, long-lasting adhesion for a wide range of cementitious materials and substrates. Its non-reemulsifiable, ready-to-use formulation simplifies application while improving bond strength and durability—making it a go-to choice for contractors, builders, and concrete professionals looking for dependable performance.