ALKORPLAN F Mechanically Fixed System with Mineral Wool Insulation

A range of membranes designed for use on mechanically restrained systems. They are UV and weather resistant with a high moisture vapour permeability, rot proof and root resistance.

Alkorplan F membranes have been assessed to have a service life in excess of 30 years.


Joints are formed either by hot-air welding, or by solvent welding followed by sealing.

General information


Generic paving slabs




Reflective cool roof ideal for use with Photo Voltaic systems



Uniclass 2015

Pr_25_57_51_66 Polymeric membranesPrimary


J42/10 Warm deck roof covering

J42/110 Warm deck roof covering

J42/120 Inverted roof covering

J42/130 Cold deck roof covering

J42/400 Waterproof membrane

Specification data - Polymeric membranes

Product Reference

AlkorPlan® F 35170

AlkorPlan® F 35176


1.2 mm

Alkorplan F 35176 only.

1.5 mm


1.05 m

1.60 m



AlkorPlan® 35X71 unreinforced detailing membrane

AlkorPlan® 81038 seam sealer

AlkorPlan® 81080/ 81061/ 81062 corners

AlkorPlan® 81088 outlets

AlkorPlan® 81170/ 81171 Metalsheet

AlkorPlus® 81025 solvent welding fluid

Standard product features


Lead grey.

Product Options

Product reference:

- AlkorPlan® F 35170:

  • Calendered non-reinforced membrane of flexible PVC. Meets the requirements of DIN 16730.
  • Thickness: 1.5 mm.
  • Weight: 1.95 kg/m².

- AlkorPlan® F 35176:

  • Calendered membrane of flexible PVC with laminated polyester reinforcing. Meets the requirements of DIN 16734.
  • Thickness: 1.2 mm weighing 1.53 kg/m², 1.5 mm weighing 1.85 kg/m².

Roll dimensions:

  • 1.2 mm thick: 1.05 m x 25 m, or 1.60 m x 20 m rolls.
  • 1.5 mm thick: 1.05 m x 20 m, or 1.60 m x 15 m rolls.


  • AlkorPlan® 35X71 unreinforced detailing membrane: 1.5 mm unreinforced membrane and junction strip for waterproofing outlets, pipes, seams and Alkormetal sections.
  • AlkorPlan® 81060/ 81061/ 81062 corners: Inner (81060), outer (81061) and rooflight corners (8106) formed from light grey unreinforced AlkorPlan.
  • AlkorPlan® 81170/ 81171 Metalsheet: 0.6 mm thick galvanized steel sheet with 0.8 mm thick unreinforced AlkorPlan® membrane laminated to the surface. Designed for the creation of upstands, parapets and drips.
  • AlkorPlan® 81088 outlets: Unreinforced AlkorPlan® outlets for a reliable connection to existing outlets. Light grey PVC. Available in 70, 85 and 110 mm diameters.

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