Concrete Spalling Repair Epoxy

Brush or trowel the epoxy onto the repair area.

Concrete spalling repair epoxy.

After all spalling starts out as a merely cosmetic imperfection caused by cold weather. The silica sand is mixed in with the epoxy to act as a filler. Step 5 applying epoxy on the concrete spalling. If the spalling depth less than 1 3 of the concrete thickness the concrete usually can receive a surface repair.

There are a variety of products to use depending on the size of the repair its deep. The basic steps to repair spalled concrete are. You can buy products that apply a very. Thoroughly clean the spalling as described above.

Sika concrete repair mortars are suitable for restoration work repair of spalling and damaged concrete in all types of structures including buildings bridges infrastructure and super structures. Personally i d never install an epoxy finish because i don t want more maintenance. They help to repair concrete defects improve appearance restore structural integrity increase durability and extend the structure s longevity. Corroded rebar due to exposure must be cleaned at the beginning of the restoration process.

However for damages greater than 1 3 of the concrete depth steel bars may need to be installed and a full depth restoration may be required. When the temperature drops below freezing moisture in the concrete tends to expand creating internal. Patch the deep areas 1 8 or more with the resurfacing material first and let dry. Smooth it out using a putty knife or a trowel.

For larger areas of pitting and spalling we recommend using a 100 epoxy concrete patch with a sand aggregate. In 24 hours your repair should be hard enough for grinding or sand flushing. Apply the epoxy mix to the repair area and be sure to work it in firmly so you can push out any trapped air. Legacy industrial s hd 110 concrete patch is a good example of this.

Mix the hardener and resin on a piece of cardboard or wood you are willing to throw away. When the spalling damage is shallower than 1 3 of the concrete s thickness the concrete usually can receive a surface repair. Clean the concrete by pressure washing or grinding it. You can repair and resurface your spalled concrete in any number of ways.

Remove the loose and damaged concrete. If the damage is greater than 1 3 of the depth steel bars may need to be installed and a full depth restoration may be required.