Patent ID: 11952785
Assignee: PROGRESS PROFILES S.P.A.
Field: Surface technology, coating (Chemistry)
Classification: CPC E  B | IPC B  E

Claim 0:
1. A covering for underlays of flooring comprising:
a membrane with a base from which studs extend and protrude upward with respect to a laying plane,
a draining layer which is joined in an upper region to said membrane at the top of said studs wherein said draining layer is heat-sealed to said membrane,
an anchoring layer for anchoring to an underlay of the flooring, joined in a lower region to said membrane at least at said base, and
a connecting strip, adapted for preventing the passage of water and joining adjacent coverings, is joined to a perimetric region of said membrane and below said anchoring layer, protrudes below said anchoring layer and is partially heat-sealed to a lower face of the covering,
wherein the anchoring layer is a flat layer,
wherein a sealant is a polymeric sealing adhesive and is interposed between the connecting strip and said anchoring layer,
wherein the sealant is configured to glue a protruding portion of the connecting strip to the anchoring layer of an adjacent covering of said adjacent coverings.