British Woodworking Federation
Certificate type
BWF Certificate of Membership
Ventrolla Sash Window SpecialistsValid until 31/12/2024
Provided by British Woodworking Federation
Expiry date: 31/12/2024
Products with this third party certificate
View all products (8)Ventrolla | Specialist Sash Window Renovation And Performance Upgrade. Draught-Proofing And Heritage Double Glazing
Ventrolla | Specialist Casement Window Renovation and Performance Upgrade. Draught-proofing and heritage double glazing
Ventrolla | Secondary Glazing Lift Out Units
Ventrolla | Secondary Glazing Horizontal Slider Unit
Ventrolla | Secondary Glazing Hinged Units
Ventrolla | Double Glazed Or Single Glazed New Replacement Casement Window
Ventrolla | Double Glazed Or Single Glazed Replacement Sash Windows
Ventrolla | Secondary Glazing Vertical Slider Unit