PGD-rama-dystansowa-60x60-bez-pletwy-300x180 Extension kerb PGDExtension kerb PGD  – Extension kerb enables window installation on the flat roof. It is used in cases of insulated roofs and green roofs as well as in any other case when window needs to be placed higher than usual.





– multi-chambered PVC
– white profile
– maintainance free
– weather conditions resistant
– available in non-standard sizes
– roof pitch 0-15o