Newton CDM 503 - Basement Waterproofing Membrane for Waterproofing of Existing & New Build Basements

Polymer-modified, and fibre-reinforced, HydroCoat 203-RM is physically and chemically compatible with the host concrete, quickly exhibiting high adhesive and compressive strength. As a single component, requiring only the addition of water, the resulting mortar is rapid curing with enhanced polymeric properties and reliable strength development which is not significantly affected by low-temperature use.

The mortar can be used as supplied up to 100 mm deep, or it can be bulked out with sharp sand to form a high-performance screed or for floor or deck repairs up to maximum depth of 300 mm.

Surface preparation is required, as is protection after application - consult the manufacturer for details.

Features and benefits:

• Incorporates the latest proven cement chemistry, fibre and styrene acrylic copolymer technology.
• Reliable strength development, even at sub-zero temperatures, gives rapid return to service.
• Pre-packaged material only requires mixing with clean water. Can be bulked out with sand or aggregate.
• High bond strength exceeds tensile strength of concrete, thus ensuring monolithic performance of the repair.
• Sets in 10 minutes at 20°C yielding a durable, high strength mortar.
• Dense matrix resists 10 bar water pressure. Very high diffusion resistance to acid gases and chloride ions.
• Sulphate resistance to class DS-5/5m of BRE Special Digest 1 and ideally suited for sewage and wastewater applications.
• Portland cement base with physical properties of cured material similar to base concrete.
• Non-toxic when cured and is listed as authorised under Regulation 31 for use in the supply of drinking water.

A two-core drainage sheet consisting of a non-woven geotextile filter layer thermally welded to a water impermeable high-density polyethylene (HDPE) drainage membrane.

The product provides drainage and protection to the outside face of basement walls to sloping sites, preventing the build-up of water pressure and protecting the structure from aggressive water, chemicals and toxins, and provides mechanical protection only when used against the ‘Type A’ waterproofing where the site is not sloping and so where ground water removal is not viable or recommended.

Consult the manufacturer's literature for relevant installation information.

Features and benefits:

• Assists in moving water around and downhill of the structure to sloping sites to prevent water pressure from bearing against the structure.
• Resistant to all chemicals normally found in the ground and unaffected by soil, bacteria and fungi.
• Withstands stresses and movement acting as a slip membrane as the backfill settles.
• Allows for backfilling with excavated earth.
• Extremely strong material, minimising the risk of damage when backfilling even when no protection board is used.
• Very high compressive strength.
• Suspended soil particles (fines) are filtered out by the geotextile layer.
• Quick and easy to install with a range of ancillary fixing and installation products.
• CE marked, and manufactured in accordance with EN 13252: 2016.

Coated metal waterbar system used for sealing kickerless construction joints within retained concrete structures. It features an adhesive, reactive polymer coating on one of its sides which creates a permanent watertight seal that works immediately.

Installation is quick and easy with the waterbar fitted in place to the reinforcement steel with special clips so that after the placement of the concrete, the waterbar is fully embedded within the two adjoining elements, completely blocking the passage of water through the joint.

Because HydroTank 301-EP Metal Waterbar is not fixed to one of the concrete elements as is the case with conventional waterbars, the forming of a kicker is not necessary. Where the walls are formed above a kicker joint, use 315 Polymer Waterbar.

Newton HydroTank 301-EP Metal Waterbar is certified to resist water pressure of up to 5 bar (50m) and is resistant to all types of naturally occurring ground water types.