PDI/PDT roof base

A flat-roof base is made of a galvanised sheet. Two types of roof bases are available:

  • PDI — insulated with is a 10mm insulation (polyurethane foam) inside preventing condensation and
  • PDT — silencing, with 50mm insulation (mineral wool).

The collar around the base allows the base to be firmly attached to the roof.


A flat-roof base is made of a galvanised sheet. Two types of roof bases are available:

  • PDI — insulated with is a 10mm insulation (polyurethane foam) inside preventing condensation and
  • PDT — silencing, with 50mm insulation (mineral wool).

The collar around the base allows the base to be firmly attached to the roof.