James Hardie document
Tex Base Sheet Installation Guide
The official James Hardie installation guide for Hardie Tex Base Sheet, a pre-primed 7.5mm fibre cement base sheet designed to receive a site-applied texture coat system for a monolithic rendered facade. It covers framing and stud spacing, fastening to timber and steel, recessed set jointing, movement joints, corners and the texture coating system. Read it on this page or download the PDF.
What this covers
- Framing & Stud Spacing
- Fasteners & Fixing
- Sheet Orientation & Layout
- Set Jointing
- Movement Joints
- Texture Coating System
Key things to remember
The essentials from this guide, at a glance.
- Hardie Tex Base Sheet is a 7.5mm thick pre-primed sheet with two recessed long edges to form concealed set joints, and is coloured blue for identification.
- Standard stud spacing is 600mm for 1200mm wide sheets, reducing in higher wind areas and to 300mm within 1200mm of external corners in categories N6/C4.
- Fasteners sit at 200mm centres generally, tightening to 125mm within 1200mm of external corners in the highest wind category.
- Fix to timber with 2.8 x 30mm fibre cement nails and to 0.5 to 1.6mm BMT steel with 41mm Hardie Drive screws; adhesives must not be used to attach sheets.
- Timber framing must be a minimum of 42mm wide at sheet joints; 35mm timber must not be used at a joint.
- Vertical control joints are required in wall runs over 5.4m, and sheets are butted hard together except at movement joints.
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Need Tex Base Sheet for the job in this guide?
Tex Base Sheet is available to order from Allmat for builders and trade across Adelaide and South Australia, on one order with the framing, fixings and sealants the guide calls for.
Sizes and profiles are on the Tex Base Sheet page.