Properly filled and sealed control joints are essential to protecting concrete floors from damage caused by heavy traffic, impact, and natural movement. The two most common joint filler materials - polyurea and epoxy - are designed to strengthen vulnerable joint areas while maintaining flexibility and durability.

Both materials cure quickly, allowing your floors to return to service faster while improving surface protection and making routine cleaning easier. Filling joints helps prevent edge deterioration, reduces debris buildup, and extends the life of your concrete slab.

Whether you already know which material you want or need guidance selecting the best option, our Max Floor Specialist team can install the right joint system for your facility.

Joint sealing and concrete densifying services

Expansion Joint Filling & Exterior Control Joints

Exterior control joints are designed to manage shrinkage cracks that occur as concrete cures and dries. Expansion joints, on the other hand, accommodate thermal movement, vibration, and settling to prevent the slab from buckling, shifting, or breaking.

Because expansion joints are wider than standard control joints, they allow for greater movement caused by temperature changes and environmental stress. Properly installed joint materials help maintain structural integrity and support a stronger, longer-lasting foundation.

For exterior joints, our team often recommends high-quality caulk systems installed over a backer rod or foam insert. This method allows the sealant to bond on two sides, maintaining flexibility while protecting the joint from water intrusion and debris.

When selecting the best joint material for your project, we evaluate several important factors, including:

• The type of facility and traffic levels
• The installation environment and exposure conditions
• The intended use of the concrete floor
• Appearance and finish requirements
• Project timeline and turnaround needs

By considering these details, we ensure your joint system provides the durability, performance, and protection your concrete needs.