which must be passed through the roof membrane

Tested and meets i

Skiferen leveres med forborede monteringshuller og er beregnet til montering på en egnet underkonstruktion som en del af en ventileret regnskærmsfacade

Safety Step is also easy to fold and takes up minimal space

Skålbrønd Ø50x400 mm Stål/Derbigum O-ring Ø50x8 mm specialmål which must be passed throughBowl well vertical Dimension: 50x400 mm O ring dimension: 50x8 Material: Acid resistant, stainless steel AISI 316 Diaphragm type: Steel Derbigum Vertical bowl well is used like a traditional roof well, but it has a greater drainage capacity, which makes it suitable for increasing the capacity of existing installations. The bowl well can also be installed on new buildings, where better utilization of the pipe systems and better capacity is desired.