Provided is a building material that is disposed between an inter-floor separation layer configured to separate floors of a building having a plurality of floors from each other and a bottom layer disposed above the inter-floor separation layer. The building material includes a support member disposed between the inter-floor separation layer and the bottom layer, having a top surface of which at least a portion contacts the bottom layer, and including a protruding portion protruding downward, extending in at least one direction, and having an inner space and a plurality of damping members disposed between the inter-floor separation layer and the support member and each of which has a lower plate contacting a portion of the inter-floor separation layer and an upper plate contacting a portion of the support member to allow the inter-floor separation layer to be spaced apart from the support member.

A soundproof underlayment membrane is disclosed. The membrane comprises a main layer having a given thickness made of a flexible material and a plurality of points extending from one of the surfaces of the main layer. The points are located on the surface in order to create an absorbing chamber between the main layer and an adjacent surface on which the membrane is placed, while reducing a surface of contact between floor coverings installed on the membrane and the adjacent surface. By combining at least two different structural elements, the membrane is particularly efficient for sound reduction in a construction such as the impact or structure borne noise (Impact Insulation Class—IIC) and the sound transmission or airborne sound (Sound Transmission Class—SCC). Compared to existing membranes in the fields, the present invention provides a light material, easy to manufacture, ship and install, while providing effective soundproof properties.

An underlayment for use between a veneer material and a foundation surface includes a base layer and a series of individual supports extending upwardly from the base layer. The supports are configured to create voids in a layer of bonding material used to adhere the veneer material to the underlayment. Each support includes at least one outer wall extending upwardly from the base layer and terminating at an upper lip, a bowl area defined adjacent a center of each of the individual supports, and an internal wall extending downwardly and inwardly from the upper lip toward the center of each of the individual supports to at least partially define the bowl area within each of the individual supports, the internal wall comprising a plurality of surfaces extending from the upper lip.

A decoupling mat (1) for a surface covering structure that can be covered by covering elements has a strip- or plate-shaped compensation element (2) which has upwardly projecting formations (4) arising from a lower support plane (3), which formations from an upper covering plane (6) at a distance from the lower support plane (3) and are arranged spaced apart from one another and have at least in sections an undercut (8) along their periphery. A water-permeable cover is fixed on a bottom side (12) of the lower support plane (3) and prevents penetration by a viscous adhesive into the upwardly projection formations (4). On at least some formations (4), the undercuts (8) are arranged along a region, extending in a curved manner, along a side wall of the upwardly projecting formations. A plurality of the first undercuts (8) is oriented in a first direction and a plurality of second undercuts (8) is oriented in a second direction. The cover may have a perforation or consist of a water permeable textile woven fabric or sheet, or of a water permeable non-woven fabric (13). A plurality of adjacent formations (4) are respectively connected to one another by ventilation ducts (7) projecting from the lower support plane (3), wherein the ventilation ducts (7) do not extend up to the upper covering plane (6).

A construction method for protecting a surface of a structure is provided to protect interior and exterior surfaces of the structure before construction starts. The construction method is executed by laying a soft base material on the surfaces of the structure and covering the base material with a quick setting cement material to form a leveled cement plate with great wear resistance and pressure resistance whereby the surfaces are not damaged by any improper force derived from the construction. Thus, the construction efficiency is increased. The base material on which the quick setting cement material is laid can be easily removed from the surfaces of the structure without tools because the base material is not adhered to the surfaces. The base material can also be reused after being separated from the quick setting cement material to prevent the occurrence of environmental pollution and reduce the cost of construction.

A support for the heating elements of radiant coverings and floors includes bosses having a concave surface. In some examples, the concave surface includes at least one adhering low relief that creates an extraction-preventing undercut on the concave surface.

A flooring underlayment includes a base membrane and a cover membrane. The base membrane is configured to be installed between a subfloor and floor tiles to allow movement of the floor tiles relative to the subfloor. The cover membrane is configured to be coupled to the base membrane to form a flat surface for supporting the floor tiles. The cover membrane is configured to be coupled to the base membrane using at least one of a snug fit and a snap fit.

A support for installing facing materials such as ceramic tiles on a substrate, such as, floors, walls and ceilings. The support plate has a plurality of spaced apart raised portions and recesses in the plate material, and a plurality of openings extending through the top surface and bottom surface of the plate material. The openings exposing a mat layer attached to the bottom of the support plate. Support plates of the invention are used for tile installations between a substrate and tile. Thin-set mortar that is used to secure the tile to the support plate flows into the recesses and into the openings forming a continuous bond between the mortar, openings and mat layer to provide a strong bond between the support plate, mortar and the tiles.

A foam board article for installation against a base surface comprises a rigid foam layer including (a) a panel having an underside surface and a topside surface opposite the underside surface; and (b) a plurality of underside protrusions projecting from the underside surface for supporting the panel in spaced apart relation from the base surface to provide an air gap therebetween.