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PASCO Aquastop Waterstop is a flexible hydrophilic polymer rubber waterstop for sealing construction joints and precast panels. When installed Aquastop expands in a controlled fashion on contact with water.
PASCO Aquastop consists of tightly packed charged microscopic platelets. Between and within these platelets there is a separation of charges positive and negative. Water molecules are attracted to the unique clay structure of positive and negative charges and wedge themselves between the platelets causing them to separate & swell. The hydrated bentonite forms a seal preventing further migration of water. As hydrostatic pressure is increased the platelets compact forming a tighter seal.
Colors: Black
Size: 20mm x 25mm x 5meter
Lightweight flexible coils easy to install
Forms a positive seal, sealing cracks & small voids
Eliminates seem welding & split forming associated with PVC/rubber waterbars
May be used in potable water tanks
Non toxic
Butt end joining. Continuous waterstop
Can be applied to irregular concrete surfaces
Withstands hydrostatic head up to 70m
Unaffected by repeated wetting & drying cycles
Permanently active system
Compressible and malleable allowing for good contact in precast applications
Does not deteriorate
Self healing
Areas of Application Include:
Underground structures, tunnels, underground stations, box culverts, pits, retaining walls, manholes, basements, precast panels etc.
Aquastop is used to stop water infiltration through both vertical and horizontal non-moving construction joints, irregular surfaces and around penetrations through concrete.
Aquastop should not be used as an expansion joint sealant. It is designed to replace conventional waterstops in construction joints.
The sodium bentonite in Aquastop is the key to its success.
Bentonite swells when in contact with water to form an impermeable barrier.
A permanent pressure seal is formed.
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We Stock a Wide Range of Products
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35+ years of servicing Queensland