b'2.4 INSTALL: Weathergroove2.4.1 FRAME PREPERATIONThe following product specific installation instructions are applicable for both direct fix (timber frame) and cavity fix (timber and steel frame). Installation instructions in this section are to be used in conjunction with information and requirements given in previous sections and all national and state building codes.Stud spacing to be selected by the building designer using the wind tables based on the wind classification to a maximum of 600mm. Sheet installed width nominally 1200mm.2.4.1.1 OFF-STUD JOININGStud frame to be supported by flush noggings at maximum 750mm centreswhereanoffstudwilloccur.Checkandstraightensub-structures as required.Plan panel layout so off-stud joints occur approximately mid span between studs. The first panel may need to be a part panel.If you are using horizontal jointsyou will need to ensure it is supported by a double or rotated noggings; please see z flashing details for additional frame requirements based on your choice of accessory. For cavity installation see cavity systems (section 1.9)/steel frames (section1.8).Fordirectfixinstallcompatiblewallsarkingpriorto installation, refer to AS 4200.2.2.4.1.2 ON-STUD JOINING Framing must be planned so all vertical joints occur on double studs or a rotated 90mm timber back block centred on the join.Check and straighten sub-structures as required. If you are using horizontal jointsyou will need to ensure it is supported by a double or rotated nogging; please see z flashing details for additional frame requirements based on your choice of accessory. For cavity installation see cavity systems (section 1.9)/steel frames (section1.8).Fordirectfixinstallcompatiblewallsarkingpriorto installation, refer to AS 4200.2.2.4.2 BASE OF THE WALL1.Establish a horizontal datum or base line at least 20mm below theSuitable membrane base of the frame.(Refer to wall sarking 2.InstallAlcorflashingforseparationbetweenWeathertexandrequirements masonry. section 1.4.7)3.Install corners to the frame (note: Sarking must be installed first).Alcor flashing for separation from masonryDatumGround clearance (Refer to general requirements section 1.4.4)Weathertex24'