Guideline No. 09 – Chimney and Flue Additions

An Exterior Alteration Application must be submitted for all Chimney and Flues.

Exterior Alteration Application Requirements

The application must include:

• Diagrammed plot plan, showing the location of the chimney or flue to the house. Note: Applications without a diagrammed plot plan will not be accepted.
• Dimensions, color, style.
• Complete description of the material.
• Manufacturer’s drawing.
• Elevations showing the exact location of the chimney or flue.
• Elevations showing other chimneys and flues located on property.

Approval

Your application will most likely be approved if you meet the following conditions:

1. Chimneys meet Howard County minimum height requirements. Height shall not exceed the County minimum unless required for proper functioning.
2. Flues are totally enclosed (boxed in) with brick or stone or a material which matches the exterior house finish and do not exceed 14 inches in outside diameter.
3. Painting to match the siding or the trim if the flue will exit the rear slope of the roof.
4. If the flue is visible from the street, the flue enclosure extends the entire length of the flue.
5. All flashing and trim is painted to match adjacent materials.
6. Flues are identical with respect to design, proportion, and materials if more than one flue is proposed.
7. Both flues are combined in one box enclosure if an additional flue is to be added adjacent to an existing one.