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Tanking & Cellar Conversions

When an outside ground level is higher than the internal floor level lateral penetration of damp may start to occur.


This is a common occurrence within cellars and older below ground structures where no damp proof membrane has been installed.


CPS offer two methods of tanking basements and cellars.


Oldroyd & Vandex.


Oldroyd is a cavity drain membrane which allows the ground water to run freely but directs it to a sump pump via the membrane. This creates a dry surfaced, tanked environment within the room.


Vandex is a cementitious trowel applied tanking compound, which acts as a barrier preventing water from penetrating.

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Castle Property Services

Unit 33 Newcastle Enterprise Centre





United Kingdom

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