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The XTHERM blue insulated, cavity based plaster facade system incorporates Resene Construction Systems' exclusive 50mm thick XTHERM™ blue ultra high density, fire retardant, extruded insulation panels.
BRANZ Appraisal No 633 
Insulated Façade System has been appraised as an external wall cladding system for buildings within the following scope:
Insulated Façade System has also been appraised for weathertightness and structural wind loading when used as an external wall cladding system for buildings within the following scope:
Insulated Façade System must only be installed on vertical surfaces (except for tops of parapets, sills and balustrades, which must have a minimum 10° slope and be waterproofed in accordance with the Technical Literature)
The system is appraised for use with aluminium window and door joinery that is installed with vertical jambs and horizontal heads and sills. (Note: The Appraisal of Insulated Façade System relies on the joinery meeting the requirements of NZS 4211 for the relevant Wind Zone or wind pressure
In the opinion of BRANZ, Insulated Façade System if designed, used, installed and maintained in accordance with the statements and conditions of Appraisal No. 633 , will meet or contribute to meeting the following provisions of the NZBC:
Resene Construction Systems' cavity based insulated facade systems have been installed extensively since 2005.
High density Extruded styrene substrate providing higher thermal, and impact resistance than standard EPS insulation systems.
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