My Wrekin

Our products

Butyl Rubber

Our butyl lining is a synthetic rubber membrane with exceptional physical properties making it the ideal choice for lining ponds, lakes, lagoons and streams.

Our technical team can advise on product selection appropriate to the application and full installation method statements.

We can supply the suitable tapes for lapped and taped jointed situations or we can offer a full design, supply and installation option providing the client with the comfort that the selected system will be installed correctly ensuring long term performance of the installed Geomembrane.

Butyl rubber render

Benefits of Butyl Rubber

  • Flexible material
  • Air tight and gas impermeable

Applications for Butyl Rubber

  • Lining for ponds, lakes, lagoons and streams
  • Construction sealants



Stress reduction layer to prevent or reduce damage


Resists stresses or reduces deformations

Butyl Rubber specification

Test Unit Requirement British standard
Hardness 0IHR 65±5 BS 903 A26
Tensile Strength MPa/Kg/cm2 Min. 9.0/90 BS 903 A2
Elongation at Break % Min. 300 BS 903 A2
Density g/cm3 1.2 ± 0.05 BS 903 A1
Brittle Point 0C - 40 BS 903 A25
Tear Strength N/mm 20 Min. BS A3 C Crescent Test
Properties after head ageing
168 hours at 121oC - - BS 903 A19
Tensile Strength MPa/Kg/cm2 Min. 6.0/60 BS 903 A2
Ozone ageing
50 pphm, 96 hours, 30oC at 80% Elongation - No Cracks BS 903 A43
Length change
The samples are conditioned for 24 hours at +20oC then heated for 1 hour at +100°C and then cooled during 2 hours to +20oC and re-measured.
Along % Max. 0.5 -
Across % Max. 0.5 -