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Application

For use as the drainage layer above a deck, balcony or flat roof waterproofing membrane such as Newton 103-S or Newton 107F, particularly where:

  • Block paving or flooring slabs are bedded on sand as the surface finish.
  • Soil filled planters are included to the deck or flat roof.
  • An intensive green roof is planted to the deck or flat roof.

Also suitable for use as a vertical drainage layer when used as part of a professionally designed and installed externally applied basement waterproofing system.

When used conventionally below block paving or slabs bedded on sand, Newton 408 DeckDrain requires at least one drainage outlet per 10 linear metres of membrane. Consult manufacturer for further details.

Description

Newton 408 DeckDrain is a double cuspated, deck and flat roof drainage membrane, which incorporates a polypropylene geotextile filter layer, bonded to a water impermeable high density polyethylene (HDPE) core.

The design provides two layers of drainage; allowing for primary drainage through the geotextile filter, as well as secondary drainage between the underside of 408 DeckDrain and the primary waterproofing layer. The lower drainage layer eliminates the risk of trapped water.

Features and benefits:

  • Provides a clear and clean drainage path for surface water to roof drainage outlets.
  • The design (drainage studs to the upper and lower surfaces) provides a clear and clean drainage path above the deck waterproofing membrane, to ensure that water cannot be trapped above the deck membrane, as can be the case with single cuspated deck drainage membranes.
  • Suspended soil particles (fines) are filtered out by the geotextile layer.
  • Quick and easy to install.

Applications:

For use as the drainage layer above a deck, balcony or flat roof waterproofing membrane such as Newton 103-S or Newton 107F, particularly where:

  • Block paving or flooring slabs are bedded on sand as the surface finish.
  • Soil filled planters are included to the deck or flat roof.
  • An intensive green roof is planted to the deck or flat roof.

Also suitable for use as a vertical drainage layer when used as part of a professionally designed and installed externally applied basement waterproofing system.

When used conventionally below block paving or slabs bedded on sand, Newton 408 DeckDrain requires at least one drainage outlet per 10 linear metres of membrane. Consult manufacturer for further details.

General information
Color

Studded core: Black, Geotextile: White

Material

Studded core: High density polyethylene (HDPE), Geotextile: Polypropylene

Size

8.4 x 2000 mm x 20 m long

Uniclass 2015
Plastics sheets (Pr_25_57_65_60)Primary
Specification data - Plastics sheets
Product Reference

Newton 408 Deckdrain (M33)

Standard product features

Material:

  • Studded core: Black HDPE.
  • Geotextile: White polypropylene.

Size:

  • Studded core (h x d): 7.3 x 7.1 mm.
  • Geotextile stud depth: 4.8 mm.
  • Geotextile thickness: 1.1 mm.
  • Overall size: 2 x 20 m.
  • Overall thickness: 8.4 mm.

Technical characteristics:

- Features (studded core):

  • Density: 604 g/m².
  • Softening temperature: 148°C.

- Features (geotextile):

Density/ Specific gravity: 1.36 g/m².

- Features (overall):

  • Density: 710 g/m².
  • Service temperature: -10 to +80°C.

- Installed performance:

  • Compressive strength (to EN ISO 25619-1): Permanent loading: 100 kPa; temporary loading: 280 kPa.
  • Water vapour diffusion resistance (to BS EN 1931) – Sd value: >604 m.
  • Water vapour diffusion resistance (calculated from Sd value): 1 208 000 μ/ 3020 MNs/g.
  • Tensile strength (EN ISO 10319): 13.6 kN/m² (machine direction). 14.7 kN/m² (cross direction).
  • Chemical and oxidation resistance (to EN14030/ EN ISO 13438): 100% (excellent resistance).

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