Built-in gutter systems are integrated within the cornice structure, connected to internal or external leaders, and are not readily visible. Traditional Rainwater Conductor Systems of the 18th and 19th Centuries by Karen Dodge of the National Park Service (1999) reports that built-in gutters were first adopted in North America during the 18th century in high-style Georgian and Federal-style buildings, usually public or commercial, where refined architectural qualities were desired. These hidden gutters also served an aesthetic purpose in buildings with grandiose compositions, classical orders, and elaborate cornices. The roof and cornice line are not only extremely important elements of the architectural character of these buildings -- they also play a critical role in the water-shedding function of the exterior. Historically built-in gutters were constructed of wood boxes with sloped bottoms, lined with metal; the first metal linings were lead. Copper became available in America by the end of the 18th century and soon became popular for its durability. The integrity of the metal lining, flashings below the edge of the roof cladding, and cap flashings are critical to the performance of built-in gutters. A common sub-category of built-in gutter also called a boxed gutter, eaves trough, or sunken gutter, cuts through the roof itself and is lined with metal.

Restoration of built-in-gutters:
Restoration of long-neglected built-in gutter systems that leak and have caused decay in the cornice and roof structure is often complicated and can be costly. But once the work is completed, a regularly maintained, well-detailed system can last 60 to 100 years or more, depending on the life of the metal lining. A preservation architect or consultant should inspect the building, propose treatment options, develop working drawings and specifications, and supervise bidding and construction. Temporary protection and permanent repairs should be performed by a roofer experienced in this specialty on historic buildings.

Conclusion:
Although restoring long-neglected gutter systems is often a major expense, the long lifespan of a well-detailed and maintained system, and the preservation of the original design of the building, often justify the effort. It is important to evaluate the options on a case-by-case basis with advice from preservation architects and consultants with specific expertise in gutter systems and a holistic view of the building.

Built-in-gutters:
Built-in gutter systems are integrated within the cornice structure, connected to internal or external leaders, and are not readily visible. Traditional Rainwater Conductor Systems of the 18th and 19th Centuries by Karen Dodge of the National Park...

Leaf proof gutters:
Granted, a gutter isn't always glamorous. But it also handles a critical task of routing the runoff from a very large surface of the roof to proper drainage away from the house. By doing this, it keeps the house high and dry, protecting siding,...

Vacuum gutters
from the ground using extension tubes, thus allowing you to clean the second story of homes. As you do not need ladders to clean the gutters, you are able to complete the cleaning task faster and safer. Vacuum gutter systems collect wet or dry:...