A move in the substrate beneath your newly laid floors, caused by either natural or environmental factors, can lead to cracks in the floor tile. You can avoid damaging your new floors by keeping them fully protected from foundational and substrate shifts with Thermopanel DCMAT Decoupling Membrane Matting. Available in 5m² | 10m² | 30m² Rolls Thermopanel DCMAT ling membrane provides extra support such as bridging cracks and alleviating major stress. This membrane mat protects and supports your newly laid tiled floors throughout foundational and substrate shifts. The decoupling membrane mat is easy to install using a flexible tile adhesive so that you can easily install this on your floors with professional results.