Transcription of 1.0 Roofing - .NET Framework
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1.0 Roofing - .NET Framework
Roofing , FL ASHINGS AND CHIMNEYS. INTRODUCTION. The primary purpose of a roof is to protect the building from rain, snow, sun and wind. Roofs also affect the appearance of a building. Roofs provide some mechanical protection against falling objects, although hail damage for example, is common. Roof coverings are not intended to keep out the cold. Most roofs are very poor insulators. Roofing SLOPED AND FLAT There are two main categories of Roofing systems: sloped roofs and flat roofs. Roofing profes- sionals call these steep roofs and low sloped roofs.
Metal flashings are used wherever the roof changes direction or meets an obstruction such as a chimney. When the flashings rust, a section of the roof may have to be removed to install a new flashing. This is an expensive proposition. Copper and lead flashings are expensive, but last longer than galvanized steel or aluminum flashings.
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