Lafarge Platres

Andrew B Bingaman

Elizabeth A Colbert

Marc Domenech

Göran Hedman

Kenneth B O'Connor

Michael J Budroe

Walter Weldon

Stuart Jacquet

Pierre Gagné

Scott E Statler

Coating and jointing material systems for wall construction are provided. The coating is applied to drywall elements prior to installation and is compatible with the jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. Methods for the construction of interior walls and interior construction systems are provided.

System using a drywall board and a jointing compound

A coating for wall construction is provided whereby a level 5 finish may be obtained without the need for a finishing coat or final skim coat. The coating may be applied to drywall elements prior to installation and is compatible with jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. The coating formulation includes a noncellulosic thickener, a binder, a mineral filler and water. A method for the construction of interior walls and a construction assembly for interior walls is further provided.

Coating for wall construction

A manufacturing line for gypsum boards includes a conveyor for moving gypsum boards in a line; a spray arm having a pivot at one end thereof for supporting the spray arm in a pivotable manner; a base frame mounted adjacent the conveyor; a support for the pivot mounted on the base frame so that the spray arm can be pivoted from an operative position wherein the spray arm extends over the conveyor to an inoperative position; a plurality of spray nozzles arranged on the spray arm for spraying a coating on gypsum boards on the conveyor; and a pump system on the frame to deliver the coating to the plurality of spray nozzles.

Coating spray apparatus and method of using same

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Dillsburg, PA, United States of America

Andrew B Bingaman