NBS Source

Standard Drainage Membrane

Sika Limited Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Polypropylene studded membrane.

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Sika Standard Drainage Membrane is a polypropylene studded membrane used as a water diversion system in the refurbishment or new construction of domestic and commercial buildings. It can be drylined for use on walls, screeded or finished with a dry board system on floors.

Fixing to vertical/ sloping surfaces:

Sika Masonry Plugs (10 x 75 mm) and Membrane Studs for use in soft brick or stone. Fixed in accordance with Sika recommendations.

Joint lap:

Minimum two stud overlaps are recommended; laps sealed with joint sealant.


Sika C.D. Corner Strip sealant based on a blend of butyl and other rubbers. Designed for sealing and reinforcing wall/ floor junctions.

General information


Pr_25_57_51_74 Rubber studded sheetsPrimary


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

Product range


Specification data - Rubber studded sheets

Product Reference

Standard Drainage Membrane

Joint sealant

Not required

Sika CD Rope

Sika CD Tape

Contractor's choice

Standard product features


Light blue (translucent).


  • Membrane: 0.5 mm.
  • Stud height: 8 mm.

Drainage capacity (maximum):

2.95 L/m².

Product Options

Joint sealant:

  • Sika CD Rope is a butyl rubber beading for sealing joints in the membrane, sealing the membrane around pipes and openings, and to form a gasket between fixing plugs and membrane.
  • Sika CD Tape is a butyl rubber tape for sealing joints in the membrane.


Sika Cavity Drainage System

Sika Cavity Drainage System

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate


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