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HD20 Membrane

HD20 Membrane

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Sika Limited

Polyethylene high capacity cavity drainage membrane; principally for use on floors.

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+44 (0)1707 394444 www.sika.co.uk

The Sika HD20 Membrane is a high-density polyethylene, high capacity, cavity drainage membrane. Ideally suited for heavy duty use on floors.

Joint lap:

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

General information
Uniclass 2015
Pr_25_57_51_74 Rubber studded sheetsPrimary

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

Specification data - Rubber studded sheets
Product Reference

HD20 Membrane

Joint sealant

Not required

Sika CD Rope

Contractor's choice

Standard product features




  • Membrane: 1.0 mm.
  • Stud height: 20 mm.

Compressive strength (maximum):

150 kN/m².

Drainage capacity (maximum):

13 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.

Third party certifications
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