Waterproofing and Protection of Sewage Treatment Plants
Concrete waterproofing products for use in sewers and sewage treatment plants need to be specifically designed to cope with the additional stresses caused by:
Continuously changing degree of contamination
Environmental effects
Fluctuating liquid level
Formation of aggressive microclimates in sealed holding tanks
The “Z” range of Vandex waterproofing slurries has been specifically designed to provide protection in these demanding environments. Used in conjunction with Vandex Super, these products can be used to waterproof sewers and sewage treatment plants in new construction and refurbishment projects. Areas of application include:
Sewers
Spillways
Rotating scraper blades
Sandfilter beds
Settlement and treatment tanks
Pump sumps
Box outs
Inspection shafts
Manholes
Channels
Interceptors
Inlets
Typical waterproofing and repair applications for Vandex products in sewage treatment plants are demonstrated in the video below (includes audio commentary):
Vandex products can be combined in different ways to deal with various situations:
The latest addition to the range, Vandex Polycem Z incorporates a specially developed polymer to provide additional protection in the hydrogen sulphide corrosive atmospheres encountered in enclosed sewage tanks. Polycem Z also offers protection against aqueous sulphate solutions and liquid manure.
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