Schluter® PRIMER-PS Peel & Stick Primer Size:1 Quart (946 mL) Gypsum concrete — apply PRIMER-PS

Gypsum concrete — apply PRIMER-PS first

or self-leveler

A soft brush or the removable grate itself in a dishwasher once a month keeps it looking right

particle board

Schluter® PRIMER-PS Peel & Stick Primer Size:1 Quart (946 mL) Gypsum concrete — apply PRIMER-PSPRIMER PS is a ready to use primer specifically formulated to improve the bond between Schluter's peel and stick membranes (DITRA PS, DITRA HEAT PS, DITRA HEAT DUO PS) and substrates that are harder to stick to. Think OSB, gypsum concrete, vinyl, and plywood surfaces where the PSA alone might not grab hard enough for a permanent bond. It's a one component, solvent free, water based formula. No mixing, no additives. Pour it out, roll or brush it on,