Built In Box Gutters

I am having a problem with my gutters.
Built in box gutters. Since they are not readily visible they typically don t alter the historic character of buildings and don t detract from or conceal decorative cornice details. K style gutters for houses built after 1950. The k style gutter is an adaptation from a design based on the classical orders of design. Historical use of built in gutters places of worship.
Built in gutters also referred to as box gutters are considered a concealed roof drainage system. Perhaps the first use of built in gutter systems was seen in old churches or other places of worship. The water is overflowing the gutter in several locations into the. Most commonly the systems were built into the eaves edge or cornice of the roofing system.
Unfortunately being unseen often results in neglect. Box gutters consist of wood framing with a sheet metal lining usually copper stainless steel or galvanized steel. Essentially a sloped wooden box is constructed then lined with metal. In many cases however a built in or box gutter may be what your house originally had and what it should have now.
I have a mid century 1952 single story house with an all but flat roof slight pitch very slight and the gutters are not carrying the water all the way along the gutters to the downspout. Built in or box gutter.