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: