This ensures a watertight cover in the roof surface and an airtight extension of the drop stem up to the opening above the roof surface

Wheel size: 20 cm

Cupa 12 dark gray natural slate

With vulcanized jaws that protect against imprints on the workpiece

Dampspærre tagbrønd DN Ø100x280 mm muffedybde 105 mm Alkorplan/Protan mørk læbering 110 mm Fugemasse This ensures a watertight coverRoof well vapor barrier Dimension: 100x280 mm Material tube protection ring: Acid resistant stainless steel AISI 316 Flange material: Stainless steel AISI 304 Membrane type: Tested and certified by TV Rheinland according to DS EN 1253 Pipe certified according to DS EN 1124 Vertical roof well vapor barrier is installed in the dam barrier under the insulation, where the lower part fits into a standard downpipe. In the upper part, a sleeve with a lip