OC-Plan 4230 ECB Geomembrane

OC-Plan 4230 is a synthetic roof and foundation waterproofing membrane made of Ethylene Copolymer Bitumen (ECB) with central glass fleece and non-woven fleece backing (250 g/m²), with one- or double-sided fleece-free self edge 

Areas of Application
OC-Plan 4230 is used for the water proofing of industrial metal flat roofs, concrete flat roofs, terrace and green roofs, ponds, water storage units, foundations and walls 


  • Unlike the traditional bitumen membrane system, applied in single layers
  • Environmental friendly (PVC, plasticizer and chlorine free, no toxic gas during application) 
  • High tensile, tear and puncture resistance 
  • Preserves dimensional stability under heat changes 
  • Root resistant 
  • Minimum risk at application due to the usage of automatic hot welding machines 
  • Resistant to sparks 
  • Resistant to various acids, alkalis and sea water 
  • Loose laying and double seam welding system provides the seams to be tested with pressure
  • Due to the property of this material that it can be fully bonded to fresh cast concrete, there is no requirement for protective screed/concrete layer on the membrane  
  • Resistant to cigarette burns 
  • Resistant to hydrolysis 
  • Application possibility in all weather conditions 
  • The existing geomembrane can be welded homogeneously with the new geomembrane 
  • Highly resistant to solar radiation, UV lights and ozone 
  • XPS, EPS and bitumen compatible, no need for seperation layers, can be in direct contact 
  • Highly resistant to ageing, does not loose any properties by the ecomomic life time of the structure 
  • Can be applied directly on any existing bitumen membrane system 
  • OC-Plan ECB Geomembranes have an international product insurance of 10 years 

Special Conditions Requiring Attention

  • OC-Plan 4230 must be applied by experienced and licenced applicators 
  • Drainage and gully system must be working properly 
  • The welding temperature of the automatic hot welding machine must be arranged correctly 
  • The double welded seams must be tested by pressure using a manometer. 2 bar pressure must be given to the seam by 2 minutes and no pressure lost must be observed from the manometer 
  • The mechanical fasteneres must be resistant against corrosion 
  • The mechanical fasteners must be applied on the same axe and a min 5 cm overlapping must be aligned for the welding of the rolls 
  • After all the tests are performed, each section of application must be handed over to the control engineer of the client 
  • The handed over sections must be protected by the client and the necessary hints must be given accordingly 
  • The fixings must be done properly; for roofs – fixings must be on the parapets 

Technical Properties

Roll dimension ( DIN EN 1848-2 )  1.50 X 20m 
Actual Thickness (DIN EN 1849-2 )  2.0 mm 
Tear Strength ( DIN EN 12310-2 )  ≥ 350 N 
Tensile Strength ( DIN EN 12311-2 )  ≥ 900 N/50mm ( method A ) 
Elongation ( DIN EN 12311-2)  ≥ %60 ( method A ) 
Water Tightness ( DIN EN 1928-B )  ≥ 500 kPa 
Joint Peel Resistance  (DIN EN 12316-2 )  ≥ 400 N/50mm 
Joint Shear Resistance  (DIN EN 12317-2 )  ≥ 500 N/50mm 
Dimensional Stability ( DIN EN 1107-2 )  ≤ %0,3 
Reaction to Fire ( DIN EN 13501-1 )  Class E 
Foldability at low T ( DIN EN 495-5 )  ≤ -30° C 
Impact Resistance ( DIN EN 12691 )  ≥ 1000 mm ( method A )
Water Vapor Diffusion Resistance Factor (DIN EN 1931 – method B )  90.000 
Exposure to Bitumen ( DIN EN 1548 )  passed 

Polyfin AG is a CE and ISO certified producer. 
OC-Plan 4230 ECB Geomembrane is produced according to the DIN EN 13956 and DIN EN 13967 norms. It is an environmentally friendly material 

OC-Plan 4230 system has special ECB accessories. These are internal/external corners, roof ventilators, roof outlets, water outlets, sealing sleeves, vantilation pipes, metal sheets, etc. These accessories are connected to the ECB geomembrane system using hand welding tools. This way the continuity of the waterproofing system is protected 

Can be stored both vertical and horizontal 

Shelf Life
The shelf life of the material is indefinite 

Amount of Material Required
When doing the initial calculations for the amount of material required in a project, it is suggested to add 5% for the seam losses and 5-10% for the possible wastage according to the site conditions