| Material | aluminium, EPDM, sheet steel (galvanized), stainless steel V2A, stainless steel V4A |
|---|---|
| Nennweiten (mm) | 100, 125, 140, 150, 160, 180, 200, 224, 250, 280, 300, 315, 355, 400, 450, 500, 560, 600, 630, 710, 80, 800 |
| versions | DDF for flat roof, DDFS for sloping roof |
Roof transition DDF / DDFS
Single-wall roof duct for the feed-through of spiral duct, consisting of a
pipe with attached, sealed sheet metal flange for fastening to the roof structure.
Regional snow loads as well as standards and regulations for roofs must be observed.
A rain collar RKR must be provided and sealed on site,
optional upstands are available on the flange plate,
the roof duct is not suitable for load bearing,
Painting in all RAL standard colors possible.
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