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SIKA PROVIDES TOTAL CORROSION MANAGEMENT
AT £12.9M FOUR SQUARES RESTORATION
required to safeguard the refurbishment
and repair of any reinforced concrete
structure – whether it’s for an entire
building or a specific problem area.
Over the past four years, Southwark
Council has invested £326 million into
ensuring every one of its homes is warm,
dry and safe (WDS) by 2016. At the
Four Squares Estate in Bermondsey,
South London, Sika has supplied a Total
Corrosion Management solution – including
over 60,000m2 of Sika Ferrogard 903+
corrosion inhibitor – during the £12.9
million regeneration of four housing blocks
providing homes to almost 700 families.
Sika is the global leader in concrete repair
and protection, corrosion inhibition and
structural strengthening systems. Bringing
together these combined resources from
a single source supplier, all of Sika‘s
Total Corrosion Management solutions
are supported with the expert guidance
Page 99 - Archetech
Built between 1971 and 1975, the Four
Squares Estate features 691 homes
across four near-identical seven-storey
blocks – New Place Square, Lockwood
Square, Marden Square and Layard
Square. Following a structural inspection
by consulting engineers Arup, all Four
Squares housing blocks were deemed
to be structurally sound but large areas
of previously uncoated concrete were
exhibiting reinforcement corrosion.
Working closely with clients Keepmoat
and Southwark Council, specialist
contractor Barwin and Sika carried out
on-site trials using Sika Ferrogard 903+
to demonstrate its ability to penetrate the
concrete, reach the steel and restore it to
a state of passivity. With the tests showing
the system successfully encapsulated
and protected the reinforcement, the
corrosion inhibitor was included in
Sika’s comprehensive Total Corrosion
Management specification that also
comprised repair mortars and protective
coatings.
Suitable for a wide range of concrete
repair applications from bridges to social
housing, car parks to commercial buildings,
all products are backed up by a highly
experienced technical team who offer
expert specification advice and support.
With a comprehensive range of repair
solutions, Sika has helped to restore all
Four Squares Estate buildings to make
them warm, dry and safe for many years
to come.