Platon Stop Optimal can be fixed to a new concrete slab as soon as it’s dry enough to walk on, avoiding lengthy waiting times while the slab dries out. The membrane is bonded, stud side down, directly to the slab, with all edges and details sealed with Platon Stop tape. The wooden floor can be laid immediately, bonded directly to the membrane, ensuring a secure and permanent damp proof connection between the concrete slab and the parquet floor.