THE PROBLEM External structural cracking recently appeared in a 1970’s two and three storey flat development of traditional cavity construction. The property owners, a social housing provider, called in Protectahome to establish the cause and to provide an appropriate repair solution. After a detailed survey of the entire building, the cracking was attributed to thermal movement due to the lack of any movement joints in the large panels of brickwork. THE SOLUTION A detailed specification for the installation of full height movement joints at six metre intervals was provided. Protectahome took the role of the principle contractor for the works which included for the provision of scaffolding and making good. Helifix DryFix ties were installed adjacent to t

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