Copper Flashing - 16 oz 24 Gauge 10' Rolls in Various Widths for Roofing, DIY, or Contractor use-Lead Free Copper - can be Used with Pressure Treated Lumber (2" Width)

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Soft zinc" is a newer, proprietary flashing material. It is a relatively malleable material, making it useful for complex roofing connections. It provides normal soft soldering capabilities and delivers easy folding. Soft zinc is said to be an "environmentally friendly" replacement for lead flashing; like lead, it is recyclable, while avoiding lead-contaminated runoff. [13] Types [ edit ] The flashing visible here is the apron below the dormer and the valley flashing in the open valley. The step flashing (soakers) are properly installed underneath the roof and wall shingles and thus is not visible. Hôtel Demoret Moulins, France

Most modern construction materials are fairly resistant to moisture penetration. However, many joints between masonry units, panels, or architectural features are not. The effects of natural movement due to settlement, expansion, and contraction tend to compound the problems and may eventually lead to leaks. Flashing is used to prevent moisture from entering at such locations. It is also used to divert to the exterior moisture that has already entered various components of a structure. Clean exposed copper surfaces, removing substances that might cause abnormal discoloration of metal. There are different terms given to flashing, often determined by where they are used or their shape. In builders books, by 1832 Loudons An Encyclopædia of Cottage, Farm, and Villa Architecture and Furniture... gives instruction on installing lead flashing and 1875 Notes on Building Construction gives detailed instruction and is well illustrated with methods still used today. [6] There are a wide range of roof flashing types that are used in different contexts. Some are designed for roofers to install around features such as chimneys, roof windows and vents. Others are designed to protect the roof where it meets the house wall.In earlier days, birch bark was occasionally used as a flashing material. [7] Most flashing materials today are metal, plastic, rubber, or impregnated paper. [8] Installation: Installed above windows and doors, or the edges of an entire roof, Drip tray flashings help to control the water flow away from the fascia of the house by providing an efficient course for it to run from the roof. Provide maintenance data in Operations and Maintenance manual for maintaining applied coatings on copper panels. Sternthal, Daniel (2000). Copper flashings in contemporary construction, The Construction Specifier, Magazine of the Construction Specifications Institute, October 2000

inch (150-mm) or 12-inch (300-mm) square samples of specified sheet materials to be exposed as finished surfaces.Old-time New England Journal of the Society for the Preservation of New England Antiquities, volumes 52-55 1961.19. Shop drawings showing layout, profiles, methods of joining, and anchorage details, including major counterflashings, copings, trim/fascia units, and gravel stops systems. Provide layouts at ¼-inch (1:50) scale and details at 3-inch (1:4) scale.