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Converting a Cellar
and Waterproofing - using Delta Membrane
system
The client was refurbishing this very large country house. The cellars flooded
to 600mm deep every year.
The LSE qualified surveyor
proposed the use of the Delta Cavity
Membrane system and drainage to sumps
and pumps.
The Cavity Membrane system is becoming
accepted by the market leading companies
such as LSE as the most reliable,
cost effective way to water proof
in most below ground situations.
The walls of this cellar were soft
brick work painted with lime wash.
Any applied cement or epoxy system would
have been too hard and would not have
bonded well to the soft substrate even
with all of the correct preparation.
Any form of tanking would have caused
stresses on the walls of the cellar
when the hydrostatic pressure came to bare and this would have lead to the failure
of any such system.
The cavity drain membrane system required very little preparation and as it
is mechanically fixed and not designed
to come under water pressure bonding
is not an issue.
The walls were dry lined and plastered
by the main contractors plastering
team who had been trained in the plastering
of membranes by LSE.
The water still rises around the basement
every year but the inside of the cellar
is unaffected.
Because the system was installed by
LSE, a qualified company, the
system is guaranteed for 10 years
by the GPI insurance scheme which
is the only insured scheme available
for water proofing. The guarantee
is renewable every 10 years if a service
agreement is entered into.
LSE are a leading water proofing
specialist and Delta Membrane system
approved designers and installers
covering London and the South of England
including: Hampshire, Wiltshire, Dorset,
Oxfordshire, Hertfordshire and surrounds.
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