Pre-installation site meetings between all parties help set process, budget & a realistic schedule to plan for the unique challenges of installing complex floor covering products properly. Flooring systems can involve multiple layers of different products (from various suppliers) and are ultimately as strong as the weakest link. A typical scenario may include the original concrete surface, moisture barrier, primer, Hydraulic Cement Underlayment (HCU), new adhesive & finally... a floor covering. Considering how many layers of product & the dollar investment that sits on top of the parent slab, the risk of short cutting on surface preparation, specifically removal of all pre-existing contaminants such as old adhesive from the original surface, is simply not worth it! 10,000 square foot office space - Original concrete surface covered in old adhesive which was left in place before primer was applied and HCU poured. Soon after a new adhesive and Vinyl Composite Tile (VCT) floor installation went ahead. Result, sporadic lifting where the HCU de-bonded from the old adhesive. Cost to mechanically remove the old adhesive? Insignificant compared to the cost of full floor system removal & relocating a busy office for many weeks. www.nfca.ca
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