In splicing adjacent channels, the slots of the two channels should be overlapped and centered over the framing. Additional channels should be installed on the wall framing if there will be wall cabinets.
The placement of these channels should coincide or be centered with the top and bottom cabinet mounting brackets. Should the distance between the hanger brackets exceed 24 inches, then an additional channel is required at the midpoint between the brackets. A maximum of two layers of gypsum board may be installed over a resilient channel. The installer should be careful not to run the fasteners through the gypsum panels, through the channel and into the supporting framing.
The gypsum panels should be installed with their long dimension oriented perpendicular to the channel. This gap must be filled with acoustical sealant or the assembly will never achieve its specified Sound Transmission Classification. This sealant must be used to fill any gaps caused by penetrations such as electrical boxes.
For single leg channels, the flange that is used for attachment to the framing should be on the bottom. The open side is then up so that the gravity load of the gypsum panels will pull the panels away from the framings.
The open side down tends to close the gap that can lead to negating the acoustical performance. Acoustical engineers recommend installing the first channel above the floor with the attachment flange up. With manufacturing plants in Edison, New Jersey and Hattiesburg, Mississippi, Super Stud is a multi-regional steel framing and accessories manufacturer committed to quality products, unmatched service, competitive pricing and timely deliveries across the entire East Coast and beyond.
To learn more, visit buysuperstud. Exception: first row closest to the floor may be inverted. Holes or slots in the web sloped face of the resilient channel should be centered over the supporting framing members. Pre-punched holes in the narrow flange should be used for the screws attaching the RC to the studs. About The Author Shelly Lighting. This website uses cookies to improve your experience.
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