Wind & Airtightness
Home Solutions Wind & Airtightness Permo® metal roof underlays Grid Sec

Grid Sec

Grid sec installed Grid sec Grid sec Detail
  • Provides a drainage path to the guttering for condensation which occurs on the underside of the metal panels
  • Separates the metal roof from the construction below
  • Good acoustic-dampening properties
  • Since the Grid sec is 1.4m wide it is possible to lay both the Grid sec & the metal panel on to the existing underlay in one step
  • Suitable for use on both ventilated & non-ventilated roof coverings
  • Strong elastic mesh but easy to cut

Grid sec

Grid sec is an elastic, 8mm thick monofilament mesh. It fulfills the same separating function of Permo® sec SK / Permo® sec metal SK when used in conjunction with an appropriate underlay.

Service & Downloads

Datasheet Pocket Product Guide

Contact us


Tel: +49 (0)2333 98 77 505

Contact us