A wall-mounted acoustic deadening device includes a mounting device including a mounting plate configured to be mounted to a wall and a mounting peg extending from the mounting plate. The mounting peg has a first portion adjacent the mounting plate with a first diameter and a second portion opposite the mounting plate having a second diameter smaller than the first diameter. The device further includes a panel configured to dampen sound, which has a plurality of panel holes extending through a thickness of the panel. A panel hole diameter of one of the plurality of panel holes is less than the first diameter and greater than or equal to the second diameter, and the panel is configured to attach to the mounting device via the mounting peg extending through the one of the plurality of panel holes.

A method of reducing sound transmission in a building constructed using horizontal cross laminated timber (CLT) panels to provide a floor of the building and a floor assembly are described. In an implementation, the method includes: attaching a plurality of energy transmission control mounts to a ceiling side of one or more of the cross-laminated timber panels using fasteners; attaching a plurality of furring channels to the energy transmission control mounts; and attaching a cross laminated timber sheet to the plurality of furring channels to form an exposed ceiling layer.

A method of reducing sound transmission in a building constructed using horizontal cross laminated timber (CLT) panels to provide a floor of the building and a floor assembly are described. In an implementation, the method includes: attaching a plurality of energy transmission control mounts to a ceiling side of one or more of the cross-laminated timber panels using fasteners; attaching a plurality of furring channels to the energy transmission control mounts; and attaching a cross laminated timber sheet to the plurality of furring channels to form an exposed ceiling layer.

Described herein are building panels and surface covering systems useful for spaces requiring acoustic control and design flexibility, and methods to prepare the same. Such building panels and surface covering systems comprise an building panel having a first major surface opposite a second major surface and a side surface extending there-between, the acoustic building panel comprising a body having an upper surface opposite a lower surface and side surfaces extending there-between; backing having a first side opposite a second side and comprising denim web and a low-melt polyester bicomponent fiber; wherein the first side of the denim web backing is in contact with the upper surface of the body; and wherein the denim web backing has a web basis weight from about 1150 to about 1350 g/m.sup.2. In certain embodiments, building panels and surface covering systems have superior fire resistant qualities.

A wall-mounted acoustic deadening device includes a mounting device including a mounting plate configured to be mounted to a wall and a mounting peg extending from the mounting plate. The mounting peg has a first portion adjacent the mounting plate with a first diameter and a second portion opposite the mounting plate having a second diameter smaller than the first diameter. The device further includes a panel configured to dampen sound, which has a plurality of panel holes extending through a thickness of the panel. A panel hole diameter of one of the plurality of panel holes is less than the first diameter and greater than or equal to the second diameter, and the panel is configured to attach to the mounting device via the mounting peg extending through the one of the plurality of panel holes.

A sound dampening device can include a tile body and one or more feet attached to a side of the tile body. The tile body and one or more feet can be formed of a sound dampening material. The one or more feet can be attached to a mounting surface such. When the sound dampening device is mounted to the mounting surface an air gap is formed between the mounting surface and a portion of the side of the tile body which is not covered by the feet.

An acoustic panel comprises a mounting element and an acoustic damping element. The mounting element is adapted to be mounted to a wall or another structure of a building, and comprises a plurality of protrusions extending from a front side of the mounting element. The acoustic damping element comprises a rear face with a plurality of openings, and is adapted to be mounted to the mounting element with the plurality of protrusions fitting into the plurality of openings to hold the acoustic damping element in place at the mounting element. An acoustic panel system comprises a plurality of acoustic panels and a plurality of connecting brackets.

A sound-absorbing element and a sound-absorbing system comprising a fibrous material having the following properties is described: specific airflow resistance comprised between 527 and 1552 [Pa s/m]; and mass porosity comprised between 66% and 79%.

An acoustic panel comprises a mounting element and an acoustic damping element. The mounting element is adapted to be mounted to a wall or another structure of a building, and comprises a plurality of protrusions extending from a front side of the mounting element. The acoustic damping element comprises a rear face with a plurality of openings, and is adapted to be mounted to the mounting element with the plurality of protrusions fitting into the plurality of openings to hold the acoustic damping element in place at the mounting element. An acoustic panel system comprises a plurality of acoustic panels and a plurality of connecting brackets.

An acoustic insulation product includes a panel made of porous material, based on foam or fibres, including a first face, referred to as back face, intended to face towards a wall, and a second face, referred to as front face, situated on the opposite side to the back face, and a layer, referred to as backing layer, which adheres to or is linked or coupled at least in part to the back face of the panel made of porous material, the backing layer having an airflow resistance of between 5 kPa.Math.s/m and 20 kPa.Math.s/m.