ttb partition separation

Partition separation Prevention and solutions (how to Minimize Callbacks Due to gypsum Cracking at the Wall/Ceiling Interface)What Is PartItIon seP aratIon? Combination of Factors:• Partition separation is often caused by a Partition separation is cracking that develops combination of these factors.between interior partition walls and ceiling or floor finishes, usually characterized by gaps that open in the winter and close in the summer. PreventIng PartItIon seP aratIonPreventive action during construction is the best What Causes PartItIon seP aratIon? way to avoid costly repair work.Building settlement: • In many cases, installing properly balanced attic • Footings improperly sized for soil-bearing ventilation helps prevent partition separation. capacity. Ventilation exhausts moisture from the air in the • Shallow footings, subject to freeze/thaw cycles. attic space. Continuous eave and ridge ventilation is most effective; however, it must be properly sized • Footings at or near seasonally fluctuating water to handle exhausting the air volume within the attic tables. Many clay soils expand and contract space. as water migrates in and out. This results in a reaction with building systems, which may • A floating gypsum corner should be used, erroneously appear as roof truss uplift. where appropriate. The Gypsum Association's specification for the Application and Finishing Inconsistent Framing Practices:of Gypsum Panel Products, GA-216, states that • ...