Condensation free

High insulation value

Easy to assemble yourself

Five year warranty

Oval portholes

TOPwindows portholes are designed in the Netherlands and also manufactured here. This guarantees high quality standards.

Single glazed Fixed

Single glass - TOPwindows oval fixed polymer porthole 375 x 175mm

Single glass - TOPwindows oval fixed polymer porthole 375 x 175mm €245.00

Hinged

Single glass - TOPwindows oval hinged polymer porthole 375 x 175mm

Single glass - TOPwindows oval hinged polymer porthole 375 x 175mm €365.00

Doubble glazed Fixed

Double glass - TOPwindows oval fixed polymer porthole 375 x 175mm

Double glass - TOPwindows oval fixed polymer porthole 375 x 175mm €370.00

Hinged

Double glass - TOPwindows oval hinged polymer porthole 375 x 175mm

Double glass - TOPwindows oval hinged polymer porthole 375 x 175mm €500.00