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Flexible & Waterproof PVC Thermoplastic Membrane with Glass Fleece Reinforcement


RENOLIT ALKORPLAN L thermoplastic membrane is based on monomeric PVC-P and provides roofing systems with excellent waterproofing. Featuring a glass fleece reinforcement to add extra dimensional stability, RENOLIT ALKORPLAN L is also flexible enough to be installed on flat, pitched and barrel-vaulted roofs.
This single-ply PVC thermoplastic membrane is safe to fit thanks to a hot air weld joining process. NO NAKED FLAME during installation. It is loose laid and ballasted within a roofing system.

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products benefits:

High vapour permeability and flexibility

NO NAKED FLAME during installation

Loose laid & ballasted as part of a roofing system

Low maintenance limited to regular visual inspection

Tech info:

  • Type of film

    Flexible PVC with glass fleece reinforcement, conforms to UEAtc guidelines

  • Material


  • Roof system

    Loose laid & ballasted

  • Film thickness

    1.2mm; 1.5mm

  • Film width


  • Roll length

    20m; 15m

  • Weight

    1.57kg/m2; 1.96kg/m2

  • Tensile strength

    644N; 814N

  • Full Information:

    Check out the full
    datasheet available in
    the Downloads section!

More Info


Used as a waterproofing membrane within loose laid ballasted systems.


Before the waterproofing membrane is installed, the roof deck has to be free of irregularities, water, frost, ice and debris such as screws, metal off-cuts, etc.