A corner hardware kit for completing a frame corner that is defined by a first frame element and a second frame element includes a corner bracket having a first portion for attachment to the first frame element and a second portion for attachment to the second frame element. The corner bracket has an upstanding foot that protrudes rearwardly therefrom and carries a coupling member at a distal end thereof. The kit also includes an elastic corner insert that has a curved outer surface and has a pair of first coupling elements for mating to a pair of second coupling elements that are associated with the first and second frame elements to complete the corner of the frame.

A modular wall overlay system for installation on a support surface includes a frame; and a cover securely retained on the frame by a tensioning system whereby the cover is free of direct attachment to the frame but rather is retained under tension on the frame by the tensioning system. The frame includes a plurality of frame pieces and a plurality of corner brackets. The frame pieces are directly coupled to respective corner brackets but are free of direct coupling to one another.

A modular wall overlay system for installation on a support surface includes a frame; a cover that is securely, yet detachably, retained on and along a front face of the frame by a tensioning mechanism that is configured to tension the cover; and elastic corner inserts that are disposed in corners of the frame and include curved outer surfaces that are configured to permit the cover to be stretched over the elastic corner inserts creating radiused corners and preventing tearing of the cover in corners thereof when the cover is tensioned by the tensioning mechanism.

A modular wall overlay system for installation on a support surface includes a frame; a cover that is securely, yet detachably, retained on and along a front face of the frame by a tensioning mechanism that is configured to tension the cover; and elastic corner inserts that are disposed in corners of the frame and include curved outer surfaces that are configured to permit the cover to be stretched over the elastic corner inserts creating radiused corners and preventing tearing of the cover in corners thereof when the cover is tensioned by the tensioning mechanism.

A modular wall overlay system for installation on a support surface includes an outer frame having a pair of opposing ends and a pair of opposing sides and a customizable inner frame that is coupled to the outer frame. The inner frame includes a plurality of transverse supports that extend between the opposing sides and a plurality of longitudinal supports that extend between the opposing ends. The longitudinal supports and the transverse supports lie in a common plane defined within the outer frame. The system further includes a cover that is securely retained on the outer frame.

A corner hardware kit for completing a frame corner that is defined by a first frame element and a second frame element includes a corner bracket having a first portion for attachment to the first frame element and a second portion for attachment to the second frame element. The corner bracket has an upstanding foot that protrudes rearwardly therefrom and carries a coupling member at a distal end thereof. The kit also includes an elastic corner insert that has a curved outer surface and has a pair of first coupling elements for mating to a pair of second coupling elements that are associated with the first and second frame elements to complete the corner of the frame.

The present invention relates to the acoustic metamaterial structural unit with the function of soundproof, flow-passing and heat-transferring enhancement, which comprises a frame, a constraint placed in the frame and a piece of membrane covering at least one surface of the frame; both the frame and the membrane are respectively placed at least one hole. Besides, the present invention also provides the acoustic metamaterial composite plate and the composite structure constructed with the acoustic metamaterial structural unit; the method for adjusting the frequency and the assemble method. The present structural unit possesses better soundproof property than the routine perforated plated or micro-perforated plate in broad operating frequency. And also the enough heat flow, gas flow or fluid flow can pass through smoothly. The diffuse efficiency of the heat energy of the mediums on both sides of the hole is increased by the vibration of the self-structure under the excitation of the soundwave and further the efficiency of heat exchange is accelerated. The method for assembling the acoustic metamaterial composite structure with the acoustic metamaterial structural units is simple. The operation performance is steady.

The present invention relates to the acoustic metamaterial structural unit with the function of soundproof, flow-passing and heat-transferring enhancement, which comprises a frame, a constraint placed in the frame and a piece of membrane covering at least one surface of the frame; both the frame and the membrane are respectively placed at least one hole. Besides, the present invention also provides the acoustic metamaterial composite plate and the composite structure constructed with the acoustic metamaterial structural unit; the method for adjusting the frequency and the assemble method. The present structural unit possesses better soundproof property than the routine perforated plated or micro-perforated plate in broad operating frequency. And also the enough heat flow, gas flow or fluid flow can pass through smoothly. The diffuse efficiency of the heat energy of the mediums on both sides of the hole is increased by the vibration of the self-structure under the excitation of the soundwave and further the efficiency of heat exchange is accelerated. The method for assembling the acoustic metamaterial composite structure with the acoustic metamaterial structural units is simple. The operation performance is steady.

A wall panel may have a veneer layer, a middle layer made from magnesium oxide and an insulation layer made from a two-part rigid urethane pour foam. The insulation layer maybe chemically bonded to the middle layer. The veneer layer may include a poured substrate made from polyurethane or plastic. The veneer layer may further include aesthetic elements embedded in and bonded to the poured substrate. The aesthetic elements may include one or more of brick, ceramic tile, porcelain tile, natural stone, engineered stone, wood, ceramic, plastic, or vinyl. A finished surface of the aesthetic elements may extend above a top surface of the poured substrate. The poured substrate may include sand causing the top surface of the poured substrate to have an appearance of mortar.

A wall panel may have a veneer layer, a middle layer made from magnesium oxide and an insulation layer made from a two-part rigid urethane pour foam. The insulation layer maybe chemically bonded to the middle layer. The veneer layer may include a poured substrate made from polyurethane or plastic. The veneer layer may further include aesthetic elements embedded in and bonded to the poured substrate. The aesthetic elements may include one or more of brick, ceramic tile, porcelain tile, natural stone, engineered stone, wood, ceramic, plastic, or vinyl. A finished surface of the aesthetic elements may extend above a top surface of the poured substrate. The poured substrate may include sand causing the top surface of the poured substrate to have an appearance of mortar.