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Newton DampSafe 809 HP DPCNewton DampSafe 809 HP DPC

Newton DampSafe 809 HP DPC – 900mm x 20m

Brand: Newton Waterproofing Systems
Product Code: 809-900
In Stock

Newton DampSafe 809 HP DPC is a high-performance, radon-rated DPC which will not extrude under load. Available in 20-metre rolls and in eight widths from 100 to 900 mm – this option is 900mm wide.

£77.87 incl. VAT
£64.89 excl. VAT

Qty:

High Performance Physical Damp Proof Course. Newton DampSafe 809 HP DPC is a high-performance, radon-rated DPC which will not extrude under load, up to the point of the compressive failure of the wall. It will also not adversely affect the ability of a properly designed and built wall to sustain and transmit compression. Available in 20-metre rolls and in eight widths from 100 to 900 mm – this option is a 900mm x 20m roll. 

DampSafe 809-HP DPC is compatible with all commonly used building materials and is suitable for horizontal, vertical and stepped damp proof courses, including cavity trays, in cavity or solid masonry walls, and is also suitable for extending the floor membrane through internal and spine walls within the Newton CDM System for cavity drain waterproofing. 

Key Benefits: 

  • Extremely tough and durable 
  • Will not deform or extrude under high compressive loads 
  • Complete system includes cloaks and accessories 
  • Flexible at low temperatures 
  • Resistant to shrinkage 
  • Effective barrier to water and water vapour 
  • Bond of DampSafe 809-HP DPC is greater than the bond between mortar and brick 

Typical Applications: 

  • Horizontal, vertical and stepped damp-proof courses 
  • As part of the Newtonite Damp Proofing System when used in conjunction with Newtonite System damp proofing membranes 
  • As part of the Newton CDM Waterproofing System when used in conjunction with Newton’s cavity drain waterproofing membranes

Suitable Substrate: 

  • Brick & Block 
  • Stone Concrete 
  • High load insulated wall courses such as Marmox Thermoblock and Foamglas Perinsul
Features Result Units Test Method
Material Embossed thermoplastic polymer
Colour Black
Visible faults None BS EN 1850-2
Length (+/-5%) 20 m BS EN 1848-2
Width (+/-5%) (mm) 100, 150, 225, 300, 450, 600, 900 BS EN 1848-2
Thickness (+/-5%) 0.75 mm BS EN 1848-2
Density (+/-5%) 830 g/m² BS EN 1848-2
Installed Performance Result Units Test Method
Resistance to static load (10 mm steel ball) 20 kg BS EN 12730
Resistance to impact BS EN
Shear resistance of joints – longitudinal 100 N/mm² BS EN 12317-2
Shear resistance of joints – traverse 250 N/mm² BS EN 12317-2
Durability (Alkali, Annex C – 50% elongation) Pass BS EN 12113-2 / 1928
Elongation at break – longitudinal 810 % BS EN 12311
Elongation at break – traverse 840 % BS EN 12311
Resistance to tearing (nail shank) – longitudinal 170 N BS EN 12310-1
Resistance to tearing (nail shank) – traverse 180 N BS EN 12310-1
Flexibility at low temperatures ≤ 40 oC BS EN 495-5
Durability against heat ageing – 60 kPa Pass BS EN 1928 / 1296
Radon permeability 18 x 10-12 m/s K124/0295
Radon transmittance 21 x 10-12 m/s K124/0295
CO² permeability 1.59 x 10-16 m²/s/Pa ISO 2782:1995
Water vapour diffusion resistance -Sd – value 350 m BS EN 3177
Reaction to fire (Euroclass) E BS EN 13501-1

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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