Patent ID: 6803099
Filing Date: 2004-10-12
Classification: B32B,Y10T

Abstract:
A self-adhering surface covering comprising:a substrate; a pressure-sensitive adhesive layer disposed on the substrate and having an adhesive surface located opposite the substrate, the adhesive layer comprising an adhesive, the adhesive being substantially non-stringing; and a barrier layer disposed substantially on and covering from about 1% to about 10% of the adhesive surface, wherein the barrier layer comprises a plurality of particles, the particles having a diameter substantially equal to or greater than the thickness of the adhesive layer, the particles being substantially non-adhesive, wherein the barrier layer exhibits a crush resistance of at least about 10 psi and is crushable when subjected to a load of about 20 psi or greater, and wherein the particles are selected from the group consisting of solid particles and porous particles.