Twin Wall Quotation Forms


    External Twin Wall System Quotation Form

    Make:
    Model:
    Fuel Type:

    Diameter: (required)
    Please note: The UK building regulations state that a chimney liner should be 6”/150mm diameter or above unless a DEFRA approved appliance with a 5” outlet is being used.
    A (Wall Thickness)
    B (Rear of stove to wall)
    C (Height to centre of rear flue outlet)
    D (Height to Ridge)
    E (Height to Gutter)
    F (Roof Pitch Angle)
    G (Overhang, if required)


    Contact Details

    Name: (required)
    Contact Number: (required)
    Email: (required)
    Postal Address: (required)
    Additional Information:
    external twin wall system