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db300

DB300

Self-adhesive waterproofing membrane

DB300 is a locally manufactured, high-performance, self-adhesive sheet membrane constructed from an oriented laminate of high density polyethylene sheeting laminated to a bitumen-polymer modified adhesive compound.

sa flag Manufactured in SA for SA conditions Download Data Sheet
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Fields of Application

Its primary use is for internal and external tanking to prevent the
ingress of water and water borne aggressive salts such as chlorides
and sulphates penetrating concrete structures. Being water and
vapour resistant it provides many waterproofing applications in
the construction industry.

A feature unique to DB300 is the double selvedge, which enables
a fast and permanent seal on all side edge laps.

  • Foundations
  • Basements
  • Roofs and plaza decks
  • Lift shafts, pits
  • Car parks
  • Service reservoir decks
  • Subways
  • Bathrooms
  • Balconies

Features

  • Unique feature selvedge, which enables a fast and secure seal on all side edge laps
  • Factory controlled thickness
  • Rapid sealing and bonding
  • Fast and easy application
  • No heating or drying
  • Self-sealing to minor damage
  • High puncture resistance
  • High joint resistance to water pressure and water vapour transmission

Properties

Colour Dark grey / black
Backing thickness 0,10 mm
Backing type HDPE cross laminated
Adhesive thickness 1,40 mm
Total thickness 1,50 mm
Roll width 1 m
Roll length -20 m

(further information available on the data sheet)

 

Technical Data

  Test Method Metric
Membrane strength ASTM D1000 5 N/mm
Elongation ASTM D1000 300 %
Puncture resistance ASTM E 154 250 N
Adhesion (180° Peel) ASTM D1000 3,5 N/mm
Water vapour transmission ASTM E 96 0,30 g/m2/24hr
Water penetration joint MOAT 27.5.1.4 Nil %
Dimensional Stability - longitudinal MOAT 27.5.1.6 (80°C) -0,1 %
Dimensional Stability - lateral   -0,2 %

Specifications are subject to change without notification. Results shown are typical but reflect test procedures used. Actual field performance will depend on installation methods and site conditions.

Download Data Sheet

 

 

 

           
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