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Inditherm Construction is pleased to announce that they have recently
supplied re-usable concrete curing blankets for a construction project at
London Heathrow Airport's New Terminal 5. The blankets
were for the curing of post-tensioned concrete slabs used to construct a large
multi-storey car park, which is part of the infrastructure for the
terminal.
The blankets were supplied to heat 150mm thick concrete decks to a maximum
temperature of 40°C. In heating the concrete decks at early ages, the hydration
reaction of the cement within the concrete is accelerated, increasing the rate
at which the compressive strength of the concrete develops. This transfers the
stresses and loadings to the concrete sooner, saving the main contractor money
through faster completion and minimising the risk of penalties associated with
project delays. In addition, the heated blankets help to protect the early age
concrete from damage during cold weather.
The principle contractor for the car park is Laing O'Rourke, a leading
international contractor, and the project client was BAA.
The 24 Inditherm blankets, each measuring 17m by 2m, covered a total of over
800m2 when unrolled over the concrete. After curing for about 2-3 days, they are
simply rolled up for use again on the next concrete pour. The blankets
incorporate the Company's unique, patented conductive polymer technology, and
are encased in a rugged PVC cover, allowing the blankets to be re-used for
numerous concrete pours. The contract also included the associated power supply
units.
Richard Harpum, Chief Executive of Inditherm plc commented, "We see the
provision of heating for accelerated concrete curing as a key growth area for
Inditherm, so the opportunity to supply these curing blankets on such a
prestigious project is a major step forward in the development of our
construction business."
David Catley of Inditherm Construction commented on the project, "This is an
important step in the transition of the recently formed construction division
from the research and development phase of the last two years in conjunction
with Sheffield Hallam University to a viable contributing division of Inditherm
plc."
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