A roof top is part of any building envelope. It's the covering on the uppermost part of any building or shelter which provides protection from pets or animals and weather, notably rain or snow, but heat also, sunlight and wind. The term also denotes the framing or structure which supports that covering.[1]The characteristics of an roof are based mostly upon the purpose of the building that this protects, the available roofer materials and the neighborhood traditions of engineering and wider concepts of architectural design and practice and could also be governed by local or national legislation. In most countries a roof protects mostly against rain. A verandah might be roofed with material that shields against natural light but admits the other elements. The roof of an garden conservatory protects plants from cold, wind, and rain, but admits light.Shack manufactured from date palm branches at Neot Semadar, IsraelA roof might provide additional living space, for example a roof covering garden.The elements in the look of a roof structure are:the materialthe constructionthe durabilityThe material of your roof may range between banana leaves, wheaten seagrass or straw to laminated a glass, copper (see: copper roof), aluminium sheeting and pre-cast concrete. In lots of parts of the global world ceramic tiles have been the predominant roof covering materials for years and years, if not millennia. Other roof covering materials include asphalt, coal tar pitch, EPDM rubber, Hypalon, polyurethane foam, PVC, slate, Teflon cloth, TPO, and timber shakes and shingles.The construction of a roof depends upon its approach to support and the way the underneath space is bridged and set up roof top is pitched. The pitch is the viewpoint of which the roof goes up from its least expensive to highest point. Most US local structures, except in very dried up locations, has roofs that are sloped, or pitched. Although modern engineering elements such as drainpipes may take away the dependence on pitch, roofs are pitched for reasons of custom and aesthetics. So the pitch is partly dependent after stylistic factors, and to do with practicalities partly.Some types of roofing, for example thatch, need a steep pitch in order to be durable and waterproof. Other types of roofing, for example pantiles, are unstable over a steeply pitched roof but provide excellent weather protection at a relatively low angle. In parts where there is little rain, an almost even roof with hook run-off provides adequate protection against an intermittent downpour. Drainpipes take away the need for a sloping rooftop also.A person that specializes in roof top construction is named a roofer.The durability of your roof structure is a subject of matter because the roof covering is usually the least accessible part of a building for purposes of repair and renewal, while its harm or damage can have serious effects.Because the purpose of a roof is to protect people and their property from climatic elements, the insulating properties of an roofing are a awareness in its framework and the decision of roofing material.Some roofing materials, specifically those of natural fibrous material, such as thatch, have excellent insulating properties. For those that not, extra insulation is often installed under the outside part. In developed countries, nearly all dwellings have a ceiling installed under the structural members of the roof. The goal of a roof is to insulate against temperature and cold, noise, dirt and grime and often from the droppings and lice of wild birds who frequently choose roofs as nesting places.Concrete tiles can be used as insulation. When installed departing a space between your tiles and the roofing surface, it can reduce heating up caused by sunlight.Forms of insulation are thought or plastic material sheeting, sometimes with a reflective surface, installed directly below the tiles or other material; synthetic foam batting laid above the ceiling and recycled paper products and other such materials that may be inserted or sprayed into roof cavities. So called Cool roofs have become popular more and more, and occasionally are mandated by local codes. Cool roofs are thought as roofs with both high reflectivity and high thermal emittance.Poorly covered and ventilated roofer can have problems with problems like the formation of snow dams across the overhanging eaves in winter, causing water from melted snow on top elements of the roof top to penetrate the roofing material. Ice dams occur when temperature escapes through the uppermost part of the roof, and the snow at those true items melts, refreezing as it drips across the shingles, and collecting by means of ice at the low points. This may result in structural damage from stress, like the damage of drainage and gutter systems. Thanks a lot for reading and visit our blog, do not forget to share this information.