Planning Commission Agenda and Packet 2009 09 02 Joint

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WHY KEEP HISTORIC WINDOWS? Most heat loss occurs from ceilings, and from infiltra- tion around frames. Have an energy audit performed on your home to determine sources of energy loss before assuming that removing windows will solve the prob- lem. Most wood windows that are greater than 60 years old are constructed with old growth lumber, and are more long lasting than their modern equivalents. •Vinyl replacement windows give off toxic byproducts when they are manufactured. How To BRING HISTORIC WINDOWS TO MODERN ENERGY STANDARDS Keep exterior wood windows properly painted and repair loose or dried out glazing putty. Repair and re -glaze broken panes rather than replacing windows. Remove old paint if windows stick or are difficult to close. Mount storm windows on the interior or exterior. Storm windows mounted on the interior surface maintain the integrity of the home's exterior. ASSISTANCE AVAILABLE The Historic Preservation Commission's Design Review Committee is available to offer limited assistance and recommendations on your Old Town home remodel project. Archi- tects on the committee are available to give you advice on addition location, height and massing, second story step- backs, and possible energy saving options. Committee members are able to give you ideas that may help to maintain your old home's character as you plan your addition. This assistance is best taken early in your planning process. More limited assistance is available once your design is complete. To avail yourself of this assistance, please contact Sean McCartney at 303.335.4591 or seanm @louisvilleco.gov. On average, replacement windows take 100 years to pay for themselves in energy savings. National Trust for Historic Preservation 30% of replacement windows are replaced again within 10 years. National Trust for H istoric Preservation A properly maintained single pane wood window with a storm window added to it can be just as efficient as a modern double paned low -e glass window. 721 Grant Avenue The Historic Preservation Commission advises the City Council and City staff on preservation issues. in addition, the Commission oversees the process for properties in Louisville to be designat- ed as local landmarks of historical relevance. To find out about preservation incentives that are available to owners of historic buildings, please contact Sean McCartney at 303.335.4591 or seanm @louisvilleco.gov.