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Duo Plus – extensive greening

Combined flat roof with extensive greening


  1. Extensive vegetative roofs
  2. Substrate for extensive greening or additional weight – gravel
  3. Separation layer – polyester felt or drainage composite
  4. Thermal insulation and protection layer FRAGMAT XPS 300 GL
  5. Second waterproofing layer – welding membrane IZOELAST P5 FLL PLUS
    Choose alternate element IZOELAST P4 FLL PLUS
  6. First waterproofing layer – self-adhesive membrane IZOSELF P3
    Choose alternate element IZOSELF P4
  7. EPS pitched panels (2%)
  8. Thermal insulation FRAGMAT EPS 100
  9. Vapour barrier BITALBIT AL V4
  10. Base coating IBITOL
    Choose alternate element PRIMER S
  11. AB board