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Newton HydroTank 315 WaterbarNewton HydroTank 315 Waterbar

Newton HydroTank 315 Waterbar – 5mm x 20mm x 20m

Brand: Newton Waterproofing Systems
Product Code: 315-5
In Stock

Newton HydroTank 315 Waterbar is a high grade, hydrophilic waterbar with high elasticity and high tensile strength, measuring 5mm x 20mm x 20m. Ideal for sealing structures against water leaks to both cast-in-place concrete and precast construction joints.

£96.61 incl. VAT
£80.51 excl. VAT

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High Grade Hydrophilic Waterbar – 5mm x 20mm x 20m.Newton HydroTank 315 Waterbar is a high grade, hydrophilic waterbar with high elasticity and high tensile strength, made from a polymer which swells in contact with moisture. Ideal for sealing structures against water leaks to both cast-in-place concrete and precast construction joints.

The swelling is achieved through hydrophilic acrylate polymers, which are inseparably embedded within the butylene carrier material. This results in high elasticity and exceptional tensile strength, even when fully expanded within the joint.

Due to its high resistance to acids, alkalis and organic solutions, HydroTank 315 Waterbar can be used to seal joints where aggressive water is expected such as within sewage treatment plants, biogas plants and liquid waste holding tanks.

HydroTank 315 Waterbar swells up to 9 times its original size when in contact with water, sealing the joint fully and reliably. The product is particularly suited to sealing non-compressed joints such as at the junction between slab and wall.

Key Benefits 

  • Resistant to permanent water pressure of 2 bar.
  • Delayed swelling – will not swell during the installation process or during the concrete cure.
  • Swells up to 9 times its original size.
  • Very resistant to the high alkalinity of concrete.
  • Maintains very high elasticity and tensile strength, even when swollen.
  • Age resistant, no embrittlement.
  • Resistant to sewage, chlorine and sulphur.
  • Retains integrity even through many wet/dry cycles.

Typical Applications: 

  • Sealing construction joints against water leaks to:
  • Concrete and steel intensive structures.
  • Sewage and waste water tanks.
  • Reservoirs.
  • Biogas plants.
  • Underpinning.

Suitable Substrates 

  • Concrete.
  • Steel.
  • Brick or concrete block.
  • Ceramic.
  • Plastic.
Features Results Units
Material TPE with hydrophilic polymers
Colour White
Density/Specific gravity 1.26
Profile 20 x 10, 20 x 5 and 20 x 2 mm
Coil length 10 and 20 Metres
Shelf life 24 Months
Hardness Shore A 26
Melting point 110 °C
Application temperature 5 to 40 °C
Service temperature -30 to +60 °C
Minimum required concrete cover 80 and 50 mm
VOC content None
Installed Performance Result Units Test Method
Initial delay of swelling 24 to 72 Hours
Full swell achieved 28 Days
Increase in mass (Neutral water – 7 pH) 900 % MFPA*
Increase in mass (High alkaline water – 12.5 pH) 350 % MFPA*
Increase in mass (Aggressive water – DIN 4030) 330 % MFPA*
Max swelling pressure (confined within joint) 2.8 N/mm2 MFPA*
Water resistance (tested) 5.0 bar MFPA*
Working water resistance (safety factor of 2.5) 2.0 bar MFPA*
Reaction to fire classification B2 Euroclass DIN 4102-1:1998-05

Please see our our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.

1. Delivery Timescales

We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.

Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.

Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details)

2. Delivery Fee Structure:

All orders, excluding those containing products covered in section 3 below, will be subject to the below delivery fee structure:

  1. Total order weight is between 0kg and 10kg = £7.99 standard delivery fee
  2. Total order weight is between 10kg and 20kg = £12.99 standard delivery fee
  3. Total order weight is between 20kg and 75kg = £20 standard delivery fee
  4. Total order weight is 75kg and above = £60 large order delivery fee
  5. Total order value exceeds £500 (regardless of weight) = Free delivery

3. Exclusions

The delivery fees detailed above apply to all orders, excluding:

  1. Orders containing insulation will be charged at £60 per pallet (10 units per pallet). Please get in touch with us directly for pricing and ordering.
  2. Orders containing protection boards: A large order delivery fee of £60 will be applied.
  3. Orders containing membranes of two metres wide and above: The delivery fee will be calculated as a price per unit*.
Code Description Weight (kg) Delivery Fee Per Unit
Multiple All membrane products with a width of two metres and above Varied £20
M3 Newton CDM 508 Mesh 29.26 £25
M2 Newton CDM 508 eco Floor 41.3 £30
M4 Newton CDM 520 eco Floor 37.62 £40

*Please note that, for orders containing membranes of two metres wide and above:

  1. Once the total order weight exceeds 75kg then the £60 large order fee will automatically be applied
  2. Once the total order value exceeds £500 then the free delivery policy will automatically be applied

4. Geographical Areas

The above delivery fees apply to all postcodes in mainland England, Wales and Scotland.

For deliveries to Ireland, Northern Ireland, the Channel Islands, the Scottish Isles, and any international orders please get in touch with the BaseTec team directly by email or phone for a custom delivery price. Standard delivery timescales do not apply to these areas and will be advised on request.

Additional charges, including customs fees, duties, or taxes may apply for international orders.

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