The X Mat Application roller is a must for any sound and/or heat abatement with an adhesive backing. Can be used to contour and flatten the mat as well as get into hard to reach areas and apply an even load distributing the adhesive and the mat. The roller is constructed of a durable urethane held to the wooden handle with a riveted steel roller bracket. This is a solid tool that makes installation consistent and easier. can be used on any brand of adhesive matting.