The helmet has 10 ventilation holes

Flex roof well has a flexible flange and roof cardboard membrane that can be shaped according to the shape of the roof

Producent: NKT

Høreværn

anvendes ved blandt andet solpaneler

Rektangulær brønd 67 Lige flange SBS PF 5000, 300x100x600 mm 0 grader rør fald - 45 grader rør ende Bøjning The helmet has 10 ventilationRectangular roof well for horizontal installation, with flat flange Dimension: 300x100x600 mm Material tube protection ring: Acid resistant, stainless steel AISI 316 EN 1. 4401 Material flange: Stainless steel AISI 304 EN 1. 4301 Membrane type: SBS PF 5000 Angle: 0 90 degrees Touching: Oblique The roof well is primarily used for horizontal installation in masonry crown. With the flat flange, the roof well is mounted at a level above the roof surface