A roof top is part of your building envelope. It's the covering on the uppermost part of an building or shelter which provides protection from pets and weather, notably rain or snow, but heat also, wind and sunlight. The word also denotes the framing or structure which supports that covering.[1]The characteristics of the roof are centered upon the goal of the building that it protects, the available roof materials and the local traditions of structure and wider principles of architectural design and practice and may also be governed by local or nationwide legislation. In most countries a roof protects mainly against rain. A verandah might be roofed with material that defends against sunlight but admits the other elements. The roof of an garden conservatory protects plants from cold, wind, and rain, but admits light.Shack made of date palm branches at Neot Semadar, IsraelA rooftop could also provide additional liveable space, for example a roof structure garden.The elements in the design of a rooftop are:the materialthe constructionthe durabilityThe material of your roof may range from banana leaves, wheaten straw or seagrass to laminated goblet, copper (see: copper roof covering), aluminium sheeting and pre-cast concrete. In many parts of the global world ceramic tiles have been the predominant roof covering material for years and years, if not millennia. Other roofing materials include asphalt, coal tar pitch, EPDM silicone, Hypalon, polyurethane foam, PVC, slate, Teflon cloth, TPO, and real wood shakes and shingles.The construction of your roof depends upon its approach to support and the way the underneath space is bridged and set up rooftop is pitched. The pitch is the angle at which the roof goes up from its minimum to highest point. Most US local structures, except in very dry out areas, has roofs that are sloped, or pitched. Although modern structure elements such as drainpipes might take away the dependence on pitch, roofs are pitched for reasons of aesthetics and custom. So the pitch is dependent upon stylistic factors partly, and partially regarding practicalities.Some types of roof, for example thatch, require a steep pitch in order to be waterproof and durable. Other styles of roofing, for example pantiles, are unstable on a steeply pitched roof but provide excellent weather protection at a relatively low angle. In areas where there is little rainwater, an almost toned roof with a slight run-off provides satisfactory protection against an intermittent downpour. Drainpipes also remove the need for a sloping rooftop.A person that specializes in roof top construction is called a roofer.The durability of any rooftop is a matter of matter because the roof covering is often the least accessible part of an building for purposes of repair and renewal, while its damage or harm can have serious effects.Because the purpose of a roof top is to protect people and their possessions from climatic elements, the insulating properties of any roofing are a account in its structure and the choice of roofing material.Some roof covering materials, especially those of natural fibrous materials, such as thatch, have excellent insulating properties. For all those that not, extra insulation is often installed under the exterior part. In developed countries, nearly all dwellings have a ceiling installed under the structural members of the roof. The purpose of a ceiling is to insulate against temperature and cold, noises, dirt and grime and often from the lice and droppings of parrots who frequently choose roofs as nesting places.Cement tiles can be used as insulation. When installed giving a space between your tiles and the rooftop surface, it can reduce heat caused by sunlight.Types of insulation are thought or plastic sheeting, with a reflective surface sometimes, installed below the tiles or other materials directly; synthetic foam batting laid above the ceiling and recycled paper products and other such materials that can be inserted or sprayed into roof cavities. So called Cool roofs have become popular more and more, and in some full cases are mandated by local codes. Cool roofs are defined as roofs with both high reflectivity and high thermal emittance.Poorly covered and ventilated roofer can suffer from problems such as the formation of snow dams surrounding the overhanging eaves in cold weather, causing drinking water from melted snow on higher parts of the roof top to penetrate the roofing materials. Ice dams arise when warmth escapes through the uppermost part of the roof, and the snow at those points melts, refreezing as it drips along the shingles, and collecting in the form of ice at the lower points. This may result in structural damage from stress, like the destruction of drainage and gutter systems. Thanks a lot for reading and visit our blog, do not forget to share this post.