Gypsol Rapide offers many major advantages over other screeds including:
RAPID installation – up to 2000m2 per day. Allows reduced programme time
RAPID finishing – NO spray on curing membranes reducing airborne contamination and eliminating associated safety issues
RAPID strength gain – No reinforcement or fibres required and fewer joints with much larger bay sizes
RAPID setting – allows early foot traffic
RAPID return to full service – can be loaded after just 7 days
RAPID thermal response – greater efficiency of underfloor heating
RAPID completion – allows early floor covering application, e.g. as little as half the time when compared to other standard anhydrite screeds
Tests are based on 50mm depth of screed and indicate that it can take as little as 14 days to achieve 75% surface RH measured using calibrated hygrometer.
Underfloor Heating must be commissioned and run prior to laying bonded coverings. Once moisture testing is complete in line with BS8204:7:2003 and the screed is confirmed dry, the surface should be treated in line with the Contract Flooring Association requirements, the relevant British Standards and the advice of the adhesive manufacturers.
Preparations remain the responsibility of the floor covering contractor and include lightly abrading the surface. This helps promote primer penetration, provides a key for adhesives and removes extraneous debris e.g. mortar, plaster and mud, and removes loose friable laitance. It is generally unnecessary to remove the top surface of the screed to expose an aggregated finish.
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