Hydroflow HM
Application

Used to provide a filtered drainage plane that will collect water externally of the substructure and divert away into the site drainage system. Hydroflow HM membrane reduces the water pressure and so reduces the risk of water ingress into the structure.

Description

High performance, studded, HDPE drainage membrane with a non-woven geotextile bonded to the outer face of the studs so as to produce a geocomposite drainage sheet. This is designed to provide an effective drainage layer externally of the structure.

Hydroflow membranes have a life expectancy compatible with the life of the structure into which installed. The membrane is chemically inert and resistant to water, alkalis, saline solutions and organic acids. The membrane does not support bacteria and fungi growth.

Features/ Benefits:

  • Rapid and easy installation by semi-skilled operatives.
  • Simple application to most substrates.
  • Minimal surface preparation prior to installation.
  • High compressive loading stability.

Applications:

Used to provide a filtered drainage plane that will collect water externally of the substructure and divert away into the site drainage system. Hydroflow HM membrane reduces the water pressure and so reduces the risk of water ingress into the structure.

General information

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

Product Reference

Hydroflow HM

Accessories

None

Hydroflow HM Coil

Transports collected water away from the structure.

Standard product features

Stud height:

8 mm.

HDPE thickness:

1.5 mm.

Roll size:

2 x 20 m.

Technical properties:

  • Mass: 1 kg/m².
  • Compressive strength: 250 kN/m².
  • Drainage capacity: 5.5 L/m².

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