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Is the primary method specified by engineers and material manufacturers to clean and profile horizontal concrete prior to the application of protective surface treatments. The use of steel shot propelled at high velocity onto the surface cleans and profiles the surface by removing dirt, laitance, and previously applied sealers to create a new clean bondable surface. The dust generated from this process is then separated from the blast media and contained within the system creating a relatively dust free environment with minimal airborne dust. Shotblasting can also be used to remove thin film coatings such as epoxies up to 1/8” in a single pass; thicker systems may require multiple passes.
Concrete Milling/Scarifying is the bulk removal of concrete and/or waterproofing membrane. Because of the pummeling action of multi-tipped cutting wheels, Milling/Scarifying removes concrete faster and more aggressively then grinders. Applications include removing coatings, light or heavy milling, and leveling misaligned concrete joints and uneven surfaces. The process leaves a coarse/grooved texture.
These settings determine the depth of concrete removal. Hydrodemolition is a safe, fast, high quality and environmentally friendly method of performing removal of concrete, waterproofing membrane and joint sealant from reinforced concrete structures.
