Ronacrete products were used at the foundation level to reinstate concrete at London Bridge Station, at the foot of the structure, and also in the Shangri-La hotel at the very top of the structure.
A thin screed was needed for several floors in the Shard’s upper levels and Ronafix Pre-packed Screed 6-50mm was specified because of its durability and it’s high compressive, flexural and tensile strengths. As a pre-packed system it provided the specifier with assurance of consistent high quality.
At the foot of the structure, specialist contractor Dhesi Group met with the Ronacrete technical team to determine the best solution to the problem and to consider various products and systems. Ronabond HB40 and Ronabond Flowable Micro Concrete were selected for specification because the contractor needed to be assured of the quality of the product.
RonaScreed FastDry Prompt – benefits and drying
RonaScreed FastDry Prompt (formerly RonaScreed 8 Day Overlay) is so-called because it is a fast-drying screed additive which enables a 50mm thickness of 3:1 sand/ cement screed to be overlaid with moi ...
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BS 8204-1 “Concrete bases and cementitious levelling screeds to receive floorings — Code of practice” section 6.11.1 suggests the following calculation for drying of screeds with no fast drying additi ...
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Avoidance/ Mitigation Of The Effects Of Common Forms Of Cracking In Cementitious Screeds
Aggregate is usually 0–4 mm and is mixed with cement in the ratio of 1:3 or 1:4 cement to sand, depending on strength requirements and drying requirements. For total screed thicknesses in excess of 50 ...
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