Until now uncoupling solutions have involved a bonded mat, stuck down to the substrate using a flexible adhesive. Because you are tiling direct to a substrate, preparation of the floor must be carried out as per best practice – this means abrading the surface to remove any laitance, removing any dirt or grease and priming with at least two coats of acrylic primer. When tiling on new screeds, it is also necessary to wait for the screed to fully cure or reach the desired moisture content. The preparation is lengthy and thus adds significant time to tiling projects.
BAL Flexbone 2Easy is a truly uncoupled solution, as the mat is laid loose on the subfloor – preparation is thereby reduced to just a quick sweep of the floor, provided it is flat, level and sound. This means it can be used over mastic asphalt, mixed substrates, bitumen, screeds with laitance, contaminated screeds and screed with cracks. Designed with perforations and a mesh weave reinforcement, the system ventilates and uncouples the covering from the substrate in a single process – permanently and reliably.
Any residual moisture in the substrate is evenly distributed through a system of channels and then drawn off through the perforations in the mat via the grout joints. In this way, substrates that are still damp are not encapsulated. This means the mat can be laid on fresh screeds including sand:cement when it’s walkable, and anhydrite screeds at 1.5% Carbide Method water content (usually minimum 0.5% CM water content is required before tiling). Saving on preparation can save up to 50% of the total installation time!
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