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Why is the DCM-PRO mat not sticking to the subfloor?

The DCM-PRO mat must be installed onto a freshly cleaned, smooth flat surface, free of dust. ah4>
A SBR primer must be used if installing directly onto a concrete or timber subfloor.

Make sure that you press the mat firmly in place to ensure the pressure sensitive adhesive makes full contact and securely binds the mat to the floor.

If using the Warmup insulation boards it is not necessary to prime the boards.