About the Wall and Ceiling Bureau
The Wall And Ceiling Bureau (WCB) is a non-profit drywall, lath and plaster technical organization servicing Northern California. WCB is the technical arm of the Wall And Ceiling Alliance (WACA). WCB's primary focus is to provide technical support to union wall and ceiling contracting members.
Latest Bulletin: Cracks in Gypsum Wood Framing
The installation of gypsum wallboard (drywall) to wood framed walls and ceilings is often used to serve a variety of functions. These functions include finishing and substrate sheathing, shear, sound and/or fire resistance. When applying gypsum wallboard to wood framing members, satisfactory results can be assured with either single-ply or multiple assemblies by requiring the following items: 1) Framing Details: all lumber should be straight, correctly spaced, properly installed and cured, and all wallboard must have wood backing secured to receive it. 2) Job Conditions: controlled temperature with adequate ventilation throughout application. 3) Onsite lumber storage: lumber must be... Click here to read more