Screed flaws

Early in my career, I was involved with the rectification of a failed concrete topping that had been applied to an existing slab in a small, light-industrial unit. Having recently let the refurbished building the landlord was less than happy with the performance of the floor topping, which rapidly d...

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Bibliographic Details
Published inBuilding Surveying Journal pp. 20 - 21
Main Author Rushton, Trevor
Format Journal Article
LanguageEnglish
Published London Royal Institution of Chartered Surveyors 01.10.2018
Subjects
Bonding agents
Curing
Design
Fire damage
Floors
Fracture mechanics
Proprietary
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Summary:Early in my career, I was involved with the rectification of a failed concrete topping that had been applied to an existing slab in a small, light-industrial unit. Having recently let the refurbished building the landlord was less than happy with the performance of the floor topping, which rapidly developed cracks and became uneven, particularly at bay joints. The floor had to be replaced at a cost much greater than the original installation--a problem that could easily have been avoided had the designer followed the published guidance available. My first example involved the application of a concrete topping of around 75mm thickness to level the floor and deal with surface damage following a fire at the unit. In this case, the topping was intended to be bonded to the sub-floor using a proprietary bonding agent.
ISSN:1750-1032
1759-3387