With Ditra, is it necessary to have a plywood underlayment, or can I just install right over the floor as is (covering up the holes of course) and the thing will even. As an alternative, especially in a bathroom or other water-prone area, you may wish to use. RICHFLOR provides a smooth, stable and puncture-proof underlayment for all seamless floor coverings. Installing floor underlayment is routine for most builders: order a load of particleboard or plywood and fasten it to the subfloor.
But careful selection and fussy. When we install vinyl flooring, we like to fasten the underlayment with staples. For more information on the installation of plywood underlayment for resilient. Jul Premium plywood underlayment panels have enjoyed unprecedented growth over the last ten years.