Installation Guides
Step-by-step installation guidance for every Thermasheet product and substrate, from the Installation Manual & Technical Guide.
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Installation Manual & Technical Guidev1 · September 2026 · 14 pages
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01
Before you startCheck the substrate, tools, cutting method and general fixing rule before fixing any boards.
02
Framed wallsFixing Thermasheet to timber or steel stud walls, internal or external.
03
Ceilings & soffitsSupport spacing for straight and curved ceilings and soffits.
04
Masonry wallsFull-bed or dot-and-dab fixing to brick and block walls.
05
FloorsFloor-fixed boards over concrete, timber and cement sheet, including underfloor heating and sloped boards.
06
Thermasheet WallInstalling the pre-fabricated half- or full-height shower wall.
07
Joints & waterproofingMSP Sealant, joint reinforcement and waterproofing to AS 3740.
08
Curved boardsInstalling pre-scored Flex and UltraFlex boards for curved walls, columns and features.
09
External applicationsSoffits, bulkheads, facade features and columns: support, sealing and finish requirements.
10
Finishes & safetyCompatible finishes, thermal movement, fire performance and safe handling.
11
Final checklistThe handover check before tiling, rendering or applying the final finish.