Facade cladding fixing system

Abstract

Described herein is a cladding fixing system for affixing a cladding structure to a load-bearing substrate of a building having an insulation material, the total cross section of thermally conductive elements of the cladding fixing system extending from the insulation abutting surface of the base plate 100% or more of the insulation material body thickness is 500 mm 2 or less per square metre of insulation material when installed, a cladding system including the cladding fixing system and an insulation material body, a method of attaching a cladding structure to a load-bearing substrate of a building using the cladding fixing system and system described herein and a building with a cladding system installed.

1 . A cladding fixing system for affixing a cladding structure to a load-bearing substrate of a building having an insulation material body, the cladding fixing system comprising:
 a base plate and at least one load bearing fixing for fixing the base plate to a load-bearing substrate at a first distance from the load-bearing substrate;   wherein the at least one load bearing fixing is the only part of the cladding fixing system that extends the length of the first distance or more from the base plate towards the load-bearing substrate when installed; and   wherein a total cross sectional area of the at least one load-bearing fixing of the cladding fixing system is 500 mm 2  or less per square meter of the building surface when installed.   
     
     
         2 . The cladding fixing system according to  claim 1 , wherein the at least one load bearing fixing is the only part of the cladding fixing system that extends more than 50% of the first distance from the base plate towards the load-bearing substrate when installed. 
     
     
         3 . The cladding fixing system according to  claim 1 , further comprising a cladding rail bracket for fixing a cladding rail to the base plate,
 wherein the cladding rail bracket is fixable to the base plate on an opposite side of the base plate to the load-bearing structure, and   wherein the cladding rail bracket does not extend from the base plate towards the load-bearing structure when installed.   
     
     
         4 . The cladding fixing system according to  claim 1 , wherein the insulation material body comprises cellular glass. 
     
     
         5 . The cladding fixing system according to  claim 1 , wherein the insulation material body has a thickness of 150 mm or more;
 wherein the base plate has an insulation abutting surface for abutting an outer surface of the insulation material body; and   wherein the at least one load-bearing fixing extends at least 150 mm from the insulation abutting surface of the base plate.   
     
     
         6 . The cladding fixing system according to  claim 5 , wherein the thickness of the insulation material body is in the range of 150 mm to 250 mm. 
     
     
         7 . The cladding fixing system according to  claim 1 , wherein the total cross sectional area of the at least one load-bearing fixing of the cladding fixing system is 250 mm 2  or less per square meter of the building surface when installed. 
     
     
         8 . A method of attaching a cladding structure to a load-bearing substrate of a building, the method comprising:
 a. attaching a plurality of insulation material bodies to the load-bearing substrate of the building, wherein each insulation material body has an inner insulation material body surface for facing a load-bearing substrate of a building and an outer insulation material body surface opposite to the inner insulation material body surface, and the insulation material body has an insulation material body thickness as measured from an inner surface of the insulation material body to an outer surface of the insulation material body, and the insulation material body exhibits less than 10% deformation under a compressive pressure of 400 kPa as measured by in accordance with EN 826;   b. attaching a plurality of cladding fixing systems through the insulation material bodies to the load-bearing substrate of the building; each cladding fixing system having a base plate with an insulation abutting surface for abutting the outer surface of the insulation material body and at least one load-bearing fixing for fixing the base plate to the load-bearing substrate; the at least one load-bearing fixing is the only part of the cladding fixing system having a length greater than the insulation material body thickness for extending from the base plate through the insulation body material to the load bearing substrate, and a total cross sectional area of the at least one load-bearing fixing of the cladding fixing system is 500 mm 2  or less per square meter of the insulation material body; and   c. affixing a cladding panel structure to the cladding fixing system.   
     
     
         9 . The method according to  claim 8 , wherein the cladding panel structure includes a plurality of cladding rails, with each cladding rail affixed to a plurality of the cladding fixing systems, and a plurality of cladding panels affixed to the cladding rails.