FLOORING GRIND AND SHINE
The Preparation Group discusses how proper subfloor preparation using a grinding machine is the key to preventing floor failure.
Uneven surfaces, high spots, contaminants, worn coatings, adhesives, friable substrates and laitance all need to be removed, prior to laying a new screed, resin, adhesive or coating. The floor finish will be compromised and can de- bond, if the subfloor isn’t flat, clean and dry.
Mechanical surface preparation is a sustainable option that quickly takes
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the floor back to basics, removing any residues that might cause a floor to fail. The new flooring material specified will dictate the degree of ‘profiling’ or texturing that is required.
Grinding is the best method for removing surface contaminants, adhesives, paint, sealers and coatings, and for cleaning the surface. The result will be a flat, level and smooth profile suitable for most coatings.
There is a huge range of surface preparation machines and accessories on the market and a vast array of techniques that can be employed - each producing a different result. The model, size and power requirements of the machine will determine production rates achievable, together with the accessories selected and the type, thickness and composition of the material to be removed.
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