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

The movable double pipe is pushed down into the drop stem

Dimension: Ø50x250 mm mm

and is the most common sheet alloy

Sheet metal shears

Faldstammeudluftning Ø90 10-45 grader fast smig Zink fast flash sort Dobbeltrør Bøjninger 72gr. Prefa Safety Step is also easyFall trunk ventilation double pipe zinc with black fixed flash Material: Zinc no. 14 Cover: Black fixed flash Diameter: 90 mm Roof slope: 10 45 degrees Used for covering fallen trunks. The model has a double pipe and is used when the downspout breaks through the roof surface. The movable double pipe is pushed down into the drop stem, where it closes tightly with a rubber ring. The drop stem covering ensures a watertight covering in the roof surface