WHAT’S NEW?
the perfect base for the installation of LVT floor coverings to optimise their aesthetic appearance and the long-term performance of the floor.
Setcrete Acrylic Primer should be applied to the subfloor prior to the application of the levelling compound to help promote adhesion and to prevent pinholing and the unacceptably rapid drying of the compound when applied over absorbent subfloors.
Setcrete Rapid Set DPM is a single coat, epoxy resin damp proof membrane that provides protection against subfloor moisture – the leading cause of flooring failures. In older homes, the cause of subfloor
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moisture may be rising damp or water ingress. In new homes it is likely to be residual construction moisture in the screed (a sand/cement subfloor dries at an approximate rate of 1mm per day).
Moisture in a screed will rise to the surface and then become trapped under the floorcovering. With nowhere to go, it will attack the adhesive used to adhere the floorcovering, resulting in vinyl floors blistering or tiles lifting.
Measured in terms of relative humidity (RH), subfloor moisture levels should be lower than 75% RH to safely install a floor covering. If the level of moisture is higher than this a DPM should be applied prior to the levelling compound being applied. Setcrete Rapid set DPM will provide protection up to 98% relative humidity (RH).
www.setcrete.co.uk TOMORROW’S FM | 21
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