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Plastics membranes

Uniclass category Pr_25_57_65

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Associated Lead Mills

Needle-punched, non-woven geotextile polyester materials in two unit weights – 200 and 220 g/m². Suitable for uneven surfaces, e.g. traditional timber boards. They do not rot or cause adhesion and allow space for air flow between lead sheet and substrate.


  • Reduce drag arising from thermal movement of lead sheet over substrate.
  • Assist in the protection of lead against condensation corrosion, or chemical attack from stone, concrete or timber.
  • Protect lead from damage due to any uneven nature of substrate and provide support against downward pressure.

Monarflex RAC

BMI Icopal

Ten layer reinforced low density polyethylene methane gas retardant damp proof membrane.

Monarflex Protect 1F

BMI Icopal

Roofing underlay manufactured from a polyethylene upper layer and a polypropylene non-woven spun bonded lower layer.

Showing 1-36 of 236