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Concrete Polishing & Sealing Ltd. is a member of the CGBC Council.

CANADA GREEN BUILDING COUNCIL

Concrete Polishing & Sealing is a member of the Ottawa Construction Association.

OTTAWA CONSTRUCTION ASSOCIATION

 

 
Concrete Floor Surface Preparation by Concrete Polishing & Sealing Ltd. - Ottawa, Ontario

Professional Concrete Surface Preparation | Shot Blasting

The surface preparation of concrete in readiness for the application of a coating or repair material includes all the steps taken after the removal of the deteriorated concrete. Many of the same steps apply when little or no concrete is removed. Proper preparation provides a dry, even and level surface free of dirt, dust, oil and grease. Removal of surface contaminants allows primers and repair materials to have direct contact with the substrate, increasing the surface area and roughness of the surface, and providing increased anchorage of the applied material.


Concreteshine.ca inspection of surface preparation grinder.

Concrete Surface Preparation Basic Steps Include:

• Resurfacing the concrete to remove all substances that could inhibit the ability of the overlay to bond, such as dirt, oil and grease. It's also necessary to strip away any coatings, sealers or paints that may have been applied to the concrete.

• Removing any unsound concrete, such as minor spalling, scaling or delamination, down to solid concrete.

• Filling active cracks so they don't mirror through to the overlay. Typically any cracks equal to or wider than the width of a credit card will require repair.

• Profiling, or roughening, the concrete surface to improve the "grip" of the overlay.

Ottawa Yacht Club epoxy floor coating by Concrete Polishing & Sealing Ltd. Ottawa, Ontario


Using rotary grinders or shot blasting units that mechanically abrades the concrete is one of the most effective ways to prepare concrete substrates for resurfacing. This equipment not only removes most contaminants and unsound concrete, it will also leave behind a roughened surface profile.

Shot blasting a concrete floor prior to coating- Concrete Polishing & Sealing Ltd. Ottawa

This technologically-advanced floor preparation systems respects the environment. No harmful chemicals are used in shot blasting, grinding and polishing processes.

Concrete floor surface preparation at the Orleans Shopping Mall by Concrete Polishing & Sealing Ltd. Ottawa

Blastrac Removal of Epoxy, Mastic, Pain & Adhesives

Concrete Floor Polishing & Sealing fast and effectively removes different topical applications: epoxy, mastic, paint, glue, plaster, adhesive and many others. Our company operates self-propelled Blastrac shot blasting machines which provide up to 1,300 FT2 of blasted concrete for each unit. We also use HTC temperature resistant alloy mastic/glue removal diamonds specifically formulated to remove resin coatings, rubberized membranes and hard-shell polymers.

 

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