Patent ID: 8302366

Claim:
A generally planar adhesive mat for installation of architectural covering material to a substrate surface, the generally planar adhesive mat having a first side and an opposing second side and a plurality of perimeter side edges, the generally planar adhesive mat comprising: a planar carrier sheet having a first side, an opposing second side and a plurality of perimeter side edges, wherein said carrier sheet has a grid printed on it; a first adhesive layer on said first side of the carrier sheet configured to adhere the adhesive mat to the substrate surface, and a second adhesive layer on said opposing second side of the carrier sheet configured to removably adhere the architectural covering material to the adhesive mat in a first stage of installation, and to permanently adhere the architectural covering material to the adhesive mat in a second stage of installation; and at least one release layer of material removably covering at least one adhesive layer to protect said at least one adhesive layer during manufacture and storage of the adhesive mat.