NBS Source

Application

Suitable for use on the internal faces of walls and floors as

a water management system for the protection of below ground structures against the potentially adverse effects of ground water ingress.

Description

A fire-retardant high-density polyethylene (HDPE) cavity drainage membrane has an 8mm studded clear profile, manufactured with DELTASAFE.


Features and benefits:

  • Euroclass rating: B-S2, d0 in accordance with EN13501-1:2018.
  • Tested to internationally accepted standards.
  • Type C waterproofing protection in accordance with BS 8102:2009.
  • Suitable for waterproofing and damp proofing.
  • Suitable for flood resilience.
  • Resistant to Radon.
  • Compressive Strength: >250 kN/M².
  • Air Volume Between Studs: 5.3 L/M².
  • R Value: 0.12 M² K/W.
  • NBS J40 (clause 290) flexible sheet tanking/damp proofing.

General information

Color

White

Material

Polyethylene

High density polyethylene (HDPE).

Size

2.4 x 20 m

Roll size.

Uniclass 2015

Pr_25_57_51_74 Rubber studded sheetsPrimary

CAWS

J40/290 High density polyethylene/ polypropylene studded cavity drain membrane

Specification data - Rubber studded sheets Enhanced data

Standard

EN 13501-1:2018.

Stud height

8 mm.

Sheet thickness

0.5 mm.

Colour

White.

Performance characteristics

-

Water storage capacity

2.25 L/sm, 135 L/min m, 8100 L/hm.

(Drainage capacity).

UV resistance

Required.

(-30°C to +80°C).

Fire performance

EN 13501-1:2018 Class B-S2, d0.

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