A backing pad for a hand-guided polishing or sanding power tool, comprising - a support layer made of a rigid material, the support layer comprising a connection element on its top surface for connection of the backing pad to a driving shaft or an eccentric element of the polishing or sanding power tool, - a damping layer made of a resilient material, the damping layer being fixedly attached to a bottom surface of the support layer, and - an adhesive layer for releasable attachment of a polishing or sanding member to the backing pad, the adhesive layer being fixedly attached to a bottom surface of the damping layer, wherein the bottom surface of the support layer is provided with reinforcement elements (24, 26, 28; 46; 50, 52) for enhancing flexural rigidity of the support layer, and the bottom surface of the support layer is further provided with recesses formed between and at least partially limited by the reinforcement elements (24, 26, 28; 46; 50, 52), characterized in that the reinforcement elements comprise a plurality of discrete pyramid-shaped elements (46; 50, 52) having a base surface in the form of a circle, a triangle, a rectangle, in particular a square, or any other polygonal form, in particular an equilateral polygonal form, wherein during manufacture of the backing pad the resilient material of the damping layer enters into the recesses and after curing of the resilient material entirely fills the recesses. - a support layer made of a rigid material, the support layer comprising a connection element on its top surface for connection of the backing pad to a driving shaft or an eccentric element of the polishing or sanding power tool, - a damping layer made of a resilient material, the damping layer being fixedly attached to a bottom surface of the support layer, and - an adhesive layer for releasable attachment of a polishing or sanding member to the backing pad, the adhesive layer being fixedly attached to a bottom surface of the damping layer, wherein the bottom surface of the support layer is provided with reinforcement elements (24, 26, 28; 46; 50, 52) for enhancing flexural rigidity of the support layer, and the bottom surface of the support layer is further provided with recesses formed between and at least partially limited by the reinforcement elements (24, 26, 28; 46; 50, 52), characterized in that the reinforcement elements comprise a plurality of discrete pyramid-shaped elements (46; 50, 52) having a base surface in the form of a circle, a triangle, a rectangle, in particular a square, or any other polygonal form, in particular an equilateral polygonal form, wherein during manufacture of the backing pad the resilient material of the damping layer enters into the recesses and after curing of the resilient material entirely fills the recesses. wherein the bottom surface of the support layer is provided with reinforcement elements (24, 26, 28; 46; 50, 52) for enhancing flexural rigidity of the support layer, and the bottom surface of the support layer is further provided with recesses formed between and at least partially limited by the reinforcement elements (24, 26, 28; 46; 50, 52), characterized in that the reinforcement elements comprise a plurality of discrete pyramid-shaped elements (46; 50, 52) having a base surface in the form of a circle, a triangle, a rectangle, in particular a square, or any other polygonal form, in particular an equilateral polygonal form, wherein during manufacture of the backing pad the resilient material of the damping layer enters into the recesses and after curing of the resilient material entirely fills the recesses.