Saint gobain Placo Sas patents

Building element

A building element (for example plasterboard) is described, and comprises a wirelessly or magnetically readable identifier. Since the identifier is wirelessly or magnetically readable, it is possible to determine the type of the plasterboard (or other building element) after installation, without damaging the plasterboard or any decoration applied to it.... Saint gobain Placo Sas

Apparatus and constructing building boards using low friction surfaces

Discloses is an apparatus and method for utilizing air along a building board forming line for the purpose of reducing friction between the board and the underlying forming tables. The device employs a series of air nozzles that are formed within the face of the forming tables. An air source... Saint gobain Placo Sas

Partition having increased fixing strength

A partition is adapted to support a fixture and has a front surface to which the fixture may be affixed and a back surface that faces away from the fixture. The partition comprises a plasterboard and a reinforcing board, the reinforcing board being located between the plasterboard and the front... Saint gobain Placo Sas

Polyester laminated building boards with improved surface characteristics

This disclosure relates to using polyester films on building boards to enable improved surface coatings. The polyester film is preferably applied to a glass mat via an adhesive to form a laminate. This laminate is then bonded to the exterior surface of a gypsum board. The polyester film is advantageous... Saint gobain Placo Sas

Construction panel having improved fixing strength

A plasterboard comprises a gypsum matrix having particles of agglomerated fibres embedded therein in an amount of at least 1 wt % relative to the gypsum, the gypsum matrix further comprising a polymeric additive, the polymeric additive being present in an amount of at least 1 wt % relative to... Saint gobain Placo Sas

Construction panel having improved fixing strength

A gypsum product has a first polymeric additive and a second polymeric additive distributed therein, wherein the first polymeric additive is a synthetic polymer and the second polymeric additive is starch. It has been found that the combination of starch and a synthetic polymer may result in one or more... Saint gobain Placo Sas

Construction panel having improved fixing strength

A method of producing a gypsum product comprises the steps of: □preparing a stucco slurry; □adding starch-containing flour to the slurry in an amount of at least 2% relative to the dry weight of the stucco; and □allowing the stucco slurry to set.... Saint gobain Placo Sas

Improvements in the deformation resistance of timber frame partitions

A partition for a building structure comprises a support frame and a plasterboard affixed to the support frame. The support frame comprises a plurality of elongate timber members. The plasterboard comprises a gypsum matrix having fibres embedded therein in an amount of at least 1 wt % relative to the... Saint gobain Placo Sas

Construction panel having improved fixing strength

A plasterboard comprises a gypsum matrix having a polymeric additive distributed therein in an amount of at least 1 wt % relative to the gypsum, the gypsum matrix further having a first group of fibres and a second group of fibres embedded therein, wherein the fibres of the first group... Saint gobain Placo Sas

Fire resistant building boards with increased amounts of anti-shrinkage additives and decreased densities

Disclosed is a building board with increased heat and fire resistance. Boards constructed in accordance with this disclosure have lower densities while at the same time containing larger amounts of anti-shrinkage materials. In one embodiment, a board was constructed with a density of less than 1,750 lbs/msf while at the... Saint gobain Placo Sas

Apparatus and the production of foam

An apparatus for preparing foam for incorporation into cementitious slurry comprises a conduit having an inlet for receiving a gas feed and a surfactant feed, and an outlet for allowing the exit of foam. The conduit houses a porous plug that provides a partial barrier to fluid flow along the... Saint gobain Placo Sas