Jamb Extensions

Viwinco Jamb ExtensionViwinco makes installation easy.

Factory-applied color-matched vinyl or factory-applied paintable/stainable Clearwood extension jambs are available in two sizes:

  • 4-5/8"
  • 6-5/8"

We can also accommodate requests for jambs to be made any size smaller than 6-5/8".

Contact our customer service department to discuss your jamb depth requirements at 610-286-8884.