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.

The technical team supports union contractors by offering systems specification reviews relating to lath, plaster (interior or exterior), fireproofing, gypsum wallboard, metal framing and EIFS. The services provided are complimentary to union drywall and plaster contractors.