Adapter frame

• Rectangular plate / ventilation area ~ 200 cm²

Underlay frames

• Absolutely tight – rainwater is routed around the underlay frames and is discharged directly into the gutter
• For leading through plumbing vents and as insulation supply air element: oval / ventilation area ~200 cm²
• For leading through antenna rods and for ridge and hip ventilation: round / ventilation area ~110 cm²