Patent ID: 6952902

Claim:
A plate for attaching a roof membrane to a roof deck, the plate comprising: a generally planar contact surface including at least one aperture for receiving a fastener for securing the plate to a roof deck; a first reinforcing rib formed by a continuous portion of the plate being raised upward from the contacting surface of the plate and extending around the perimeter of the plate; and a gripping edge formed from the outer wall of the first reinforcing rib, the gripping edge extending downwardly from at least a portion of the perimeter of the plate to a plane below the plane of the contacting surface, whereby, when the attachment plate is mounted on a roof deck by securing the fastener through the plate aperture and into the roof deck with the roofing membrane located therebetween, the contacting surface of the plate is pressed into contact with the membrane, and the gripping edge of the plate extends downward into and compresses the membrane.