British Woodworking Federation
Certificate type
BWF Certificate of Membership
Ventrolla Sash Window SpecialistsCertificate expired
Provided by British Woodworking Federation
Expiry date: 31/12/2024
Products with this third party certificate
View all products (20)Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed New Replacement Vertical Sliding Sash Window
Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed Renovated Vertical Sliding Sash Window
Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed New Replacement Vertical Double Box Sliding Sash Window
Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed New Replacement Venetian Sash Window
Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed New Replacement Casement Window
Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed Renovated Yorkshire Slider Horizontal Sash Window
Ventrolla | Solid Panel, Single Glazed, Double Glazed or Vacuum Glazed New Replacement Timber Door
Ventrolla | Single Glazed, Double Glazed or Vacuum Glazed Renovated Vertical Double Box Sliding Sash Window