Cover lid round, steel or plastic
It makes sense to equip cavity pipes with lids or bases, depending on their application or use.
left: steel-/plastic lid, without rim
right: Plastic lid with nailing rim
Application in a dormer:
Cavity pipes with plastic lid,
with nailing rim. Alternative:
Steel lid with nailing rim.
Rectangular cover lid, steel
Cover lid, plastic*
Accessories for Press-fitting and Ventilation