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Top Marks for TOPCEM at Merchiston Castle School

Published Date:

02 Mar 2009


Mapei's TOPCEM fast drying screed, was recently used to provide the substrate on all floor areas in the new sixth form boarding house at Merchiston Castle School in Edinburgh for main contractor, Miller Construction. The £7.7 million accommodation block, due to be completed for the new school year, has 126 ensuite bedrooms and a total floor area of 4500m 2 .

TOPCEM is a normal setting, shrinkage-controlled binder for screeds, which, thanks to its rapid drying properties, hardens within 24 hours and is completely dry, whatever the thickness, within 4 days. As such, it is ideal for all projects, in particular where time is at a premium. It can be used indoors and outdoors and on both new and existing concrete, for the formation of bonded, unbonded and floating screeds. Ceramic tiles can then be laid after only 24 hours, natural stone after 3 days and resilient flooring and wood after 4-7 days. TOPCEM is also ideal for the provision of screeds incorporating underfloor heating, as was the case at Merchiston, where TOPCEM was screeded at a thickness of 75mm over the Velta Classic C17 pipe system. Using TOPCEM allows the underfloor heating to be commissioned after only 4 days. Mapei and Velta are working together on other large school, retail, hospital and general construction projects where the necessity to hand over the floors on time are of paramount importance. The screeding contractor for this project was IFT (Industrial Floor Treatments - of East Kilbride. Mapei is the world's largest manufacturer of adhesives, sealants and chemical products for building. With over 70 years experience, Mapei is a specialist in the production of quality products for the installation of all types of wall and floor coverings, and has a vast range of admixtures and repair products for concrete and building materials. For further information on Mapei products call 0121 508 6970 or visit


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