Concrete Mender™ Exterior Crack Repair

Project: Home Depot Garden Center New Construction

Problem: Shrinkage cracks appeared before control joints could be cut.

Solution: Roadware 10 Minute Concrete Mender™ topped with concrete resurfacer.

 

NOTE: Concrete Mender™ is designed for commercial and engineered applications. It is not recommended for repairing residential driveways or sidewalks.

Concrete Mender Crack Repair Exterior

The Garden Center developed shrinkage cracks parallel to the control joints ranging from hairline to 1/4″ wide.

 

Concrete Mender Crack Repair Exterior
The crack are lightly scored and cleaned out with a diamond blade attached to an electric grinder. Dust and debris is removed with a vacuum.

 

Concrete Mender Crack Repair Exterior
Ultra penetrating Roadware 10 Minute Concrete Mender™ is applied directly the crack followed by a 1/4″ layer of 40/30 grit silica sand.

 

Concrete Mender Crack Repair ExteriorRepairs are made full depth. Silica sand is added to stop “sinkers” and build a polymer concrete matrix.

 

Concrete Mender Crack Repair ExteriorAdditional material and sand is added to fill the crack up to the top.

 

Concrete Mender Crack Repair ExteriorExcess material is trowelled or scraped of before curing.

 

Concrete Mender Crack Repair ExteriorAfter 10 minutes at 70° F., the repair is ready for traffic or finishing if desired. Here a concrete finishing stone is used to blend the repair with the surrounding concrete.

 

Concrete Mender Crack Repair Exterior A brushed on topping of  concrete resurfacer is added to completely blend the repair into the concrete.

 

Concrete Mender Crack Repair ExteriorAfter the concrete resurfacer cures for an hour, the crack is repaired structurally, and is nearly invisible.