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Johnson`s Permalayer 20m2 roll
Permalayer™ is an anti-crack underlay designed for use over timber as well as green and cured concrete slabs and screeds. The unique Permalayer™ system enables cracks up to 3mm wide to be bridged without affecting the tiled finish. When used correctly Permalayer™ removes the need for costly floor build-ups such as plywood overlays. The layer enables the substrate beneath to move laterally, protecting the tiled finish from the detrimental effects of subfloor movement. A solid bed can also be achieved due to the flat nature of the underlay eliminating the problems associated with point loading.
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