Wall construction

Abstract

A fire resistant wall construction has inner and outer spaced apart panels each made of at least one layer of catalyzed magnesia cement such as DRAGONBOARD brand panels, mineral wool insulation between the panels and a plurality of studs, such as metal studs, connected to the panels for supporting and separating the panels along the wall construction.

1 . A fire resistant wall construction comprising: inner and outer spaced apart panels each made of at least one layer of catalyzed magnesia cement, mineral wool insulation between the panels and a plurality of studs connected to the panels for supporting and separating the panels along the wall construction. 
   
   
       2 . A fire resistant wall construction according to  claim 1 , wherein the studs are each a metal stud. 
   
   
       3 . A fire resistant wall construction according to  claim 1 , wherein the studs are each a metal stud and are each at least partly wrapped in gasket tape. 
   
   
       4 . A fire resistant wall construction according to  claim 1 , wherein the studs are each a metal stud and are each at least partly wrapped in gasket tape made of polytetrafluoroethylene. 
   
   
       5 . A fire resistant wall construction according to  claim 1 , including a furring strip between at least one of the studs and a panel for creating a space between at least one panel adjacent the furring strip and the insulation for increasing fire resistance. 
   
   
       6 . A fire resistant wall construction according to  claim 1 , including a furring strip made of catalyzed magnesia cement between at least one of the studs and a panel for creating a space between at least one panel adjacent the furring strip and the insulation for increasing fire resistance. 
   
   
       7 . A fire resistant wall construction according to  claim 1 , including a metal track between the panels and under the insulation. 
   
   
       8 . A fire resistant wall construction according to  claim 1 , including a furring strip made of catalyzed magnesia cement between at least one of the studs and a panel for creating a space between at least one panel adjacent the furring strip and the insulation for increasing fire resistance, a metal track between the panels and under the insulation and a further furring strip made of catalyzed magnesia cement between the track and a panel for creating a space between the panel and the track for further increasing fire resistance. 
   
   
       9 . A fire resistant wall construction according to  claim 1 , including a furring strip made of catalyzed magnesia cement between at least one of the studs and a panel for creating a space between at least one panel adjacent the furring strip and the insulation for increasing fire resistance, and a metal track between the panels and under the insulation, the stud also being a metal stud. 
   
   
       10 . A fire resistant wall construction according to  claim 1 , wherein the catalyzed magnesia cement is a mixture of an organic base and a polyoxy(oxyalkyl)mono(X) ether blend, the alkyl group being from 2 to 50 carbon units, the (X) group being a propyl group or alkyl group of 25 containing carbon units, or other ether or solvent, the blend of the base and ether being in a ratio of 1:99 to 99:1. 
   
   
       11 . A fire resistant wall construction according to  claim 1 , wherein the catalyzed magnesia cement panel is a set mixture of inorganic magnesium compounds, pulverized wood fibers, water and glass or synthetic fiber cloth with fine plastic fibers therein. 
   
   
       12 . A fire resistant wall construction comprising: inner and outer spaced apart panels each made of at least one layer of catalyzed magnesia cement, mineral wool insulation between the panels and a plurality of studs connected to the panels for supporting and separating the panels along the wall construction, the studs each being a metal stud, and a metal track between the panels and under the insulation. 
   
   
       13 . A fire resistant wall construction according to  claim 12 , including a furring strip made of catalyzed magnesia cement between at least one of the studs and a panel for creating a space between at least one panel adjacent the furring strip and the insulation for increasing fire resistance. 
   
   
       14 . A fire resistant wall construction according to  claim 12 , wherein the studs are at least partly wrapped in gasket tape. 
   
   
       15 . A fire resistant wall construction according to  claim 12 , wherein the catalyzed magnesia cement is a mixture of an organic base and a polyoxy(oxyalkyl)mono(X) ether blend, the alkyl group being from 2 to 50 carbon units, the (X) group being a propyl group or alkyl group of 25 containing carbon units, or other ether or solvent, the blend of the base and ether being in a ratio of 1:99 to 99:1. 
   
   
       16 . A fire resistant wall construction according to  claim 12 , wherein the catalyzed magnesia cement panel is a set mixture of inorganic magnesium compounds, pulverized wood fibers, water and glass or synthetic fiber cloth with fine plastic fibers therein. 
   
   
       17 . A fire resistant wall construction comprising: inner and outer spaced apart panels each made of at least one layer of catalyzed magnesia cement, mineral wool insulation between the panels and a plurality of studs connected to the panels for supporting and separating the panels along the wall construction, the studs each being a metal stud, a metal track between the panels and under the insulation, and a furring strip made of catalyzed magnesia cement between at least one of the studs and a panel for creating a space between at least one panel adjacent the furring strip and the insulation for increasing fire resistance, the studs being are at least partly wrapped in gasket tape. 
   
   
       18 . A fire resistant wall construction according to  claim 17 , including a furring strip made of catalyzed magnesia cement between each stud and each panel for creating spaces between the panels strip and the insulation for increasing fire resistance, and a further furring strip made of catalyzed magnesia cement between the track and each panel for creating spaces between the panels and the track for further increasing fire resistance. 
   
   
       19 . A fire resistant wall construction according to  claim 17 , wherein the catalyzed magnesia cement is a mixture of an organic base and a polyoxy(oxyalkyl)mono(X) ether blend, the alkyl group being from 2 to 50 carbon units, the (X) group being a propyl group or alkyl group of 25 containing carbon units, or other ether or solvent, the blend of the base and ether being in a ratio of 1:99 to 99:1. 
   
   
       20 . A fire resistant wall construction according to  claim 17 , wherein the catalyzed magnesia cement panel is a set mixture of inorganic magnesium compounds, pulverized wood fibers, water and glass or synthetic fiber cloth with fine plastic fibers therein.