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Waterproofing Membrane – Baseline 20

baseline 20
Product code CM20 2x10
  • RRP £190.00
  • £123.00
  • £102.50
(113 items in stock)

Baseline 20 cavity drain membrane is moulded from high density polyethylene (HDPE) and incorporates integral 20mm stand-off studs at 50mm centres to offer exceptionally high drainage capacity.­  This high-profile waterproofing membrane is supplied in a choiuce of 20m² or 40m² rolls, each including a 100mm wide stud-free strip for overlapping sheets.

Our air-gap membranes are robust and durable.­  They can be used on floors, walls, vaulted soffits and tunnels in basement waterproofing and other construction and civil engineering applications that require a cavity drain system to combat water seepage.

As a BS 8102: 2009 Type C compliant tanking membrane, Baseline 20 is suitable for waterproofing floors below ground level as part of a system that delivers a Grade 3 dry environment in basements.­  The cavity-drain membrane forms part of a sealed waterproof tanking system with provision for disposing of water accumulation using the cavity behind the drainage membrane. The impermeable surface permits direct laying of floors and screeds.­ 

TECHNICAL SPECIFICATION
  Baseline 20 Cavity Drain Membrane   Data
  Material   HDPE
  Sheet Thickness   1mm
  Membrane Height   20mm
  Water Void Capacity   >14.61 l//m²
  Weight   1 Kg/m² 
  Water tightness at 60 kPa   >24 hours
  Working Temperature   -50°C to +80°C
  Softening Temperature   126°C
  Mean Compressive Strength   165 kN/m² 

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Waterproof Corner Tape

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