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SRO940 Levelling Over Heated Internal Floor Slabs

This recommendation is regarding the levelling and smoothing of concrete floors where electrical heating elements are included in the concrete substrate. The concrete floors must be structurally sound and comply with the recommendations of AS1884-2012 (i.e. at least 20MPa compressive strength and at least 1.5MPa surface tensile strength). The levelling cements may be covered with a variety of floor coverings such as resilient (e.g. vinyl or linoleum), carpet or all types of tile (e.g. ceramic, porcelain or natural stone). This recommendation is based upon Ardex Technical Bulletin TB029.

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