A roof top is part of any building envelope. It is the covering on the uppermost part of your building or shelter which gives protection from pets or animals and weather, rain or snow notably, but heat also, sunlight and wind. The word denotes the framing or framework which helps that covering also.[1]The characteristics of your roof are reliant upon the purpose of the building that this covers, the available roof covering materials and the local traditions of construction and wider concepts of architectural design and practice and may also be governed by local or national legislation. In most countries a roof protects against rain primarily. A verandah may be roofed with material that protects against sunlight but admits the other elements. The roof of your garden conservatory protects plants from cold, wind, and rain, but admits light.Shack manufactured from date palm branches at Neot Semadar, IsraelA roof top might provide additional living space, for example a roof covering garden.The elements in the look of a roof top are:the materialthe constructionthe durabilityThe material of an roof may range from banana leaves, wheaten seagrass or straw to laminated wine glass, copper (see: copper roof covering), aluminium sheeting and pre-cast concrete. In lots of elements of the global world ceramic tiles have been the predominant roofing material for years and years, if not millennia. Other roof materials include asphalt, coal tar pitch, EPDM plastic, Hypalon, reboundable foam, PVC, slate, Teflon fabric, TPO, and solid wood shingles and shakes.The construction of a roof depends upon its approach to support and the way the underneath space is bridged and set up roof is pitched. The pitch is the viewpoint at which the roof rises from its minimum to highest point. Most US local structures, except in very dry out locations, has roofs that are sloped, or pitched. Although modern development elements such as drainpipes might remove the dependence on pitch, roofs are pitched for reasons of tradition and looks. So the pitch is dependent after stylistic factors partly, also to do with practicalities partly.Some types of roof covering, for example thatch, need a steep pitch in order to be waterproof and durable. Other types of roofing, for example pantiles, are unstable on a steeply pitched roof but provide excellent weather protection at a comparatively low angle. In regions where there is little rain, an almost toned roof with a slight run-off provides sufficient protection against an intermittent downpour. Drainpipes remove the need for a sloping roof structure also.A person that specializes in roof top construction is called a roofer.The durability of a roof covering is a matter of matter because the roof covering is often the least accessible part of a building for purposes of repair and renewal, while its damage or devastation can have serious results.Because the purpose of a roof top is to protect people and their property from climatic elements, the insulating properties of any roof structure are a factor in its framework and the choice of roofing materials.Some roof covering materials, especially those of natural fibrous materials, such as thatch, have excellent insulating properties. For those that do not, extra insulation is installed under the external covering often. In developed countries, nearly all dwellings have a ceiling installed under the structural members of the roof. The purpose of a roof is to insulate against high temperature and cold, noises, dirt and grime and frequently from the droppings and lice of parrots who frequently choose roofs as nesting places.Cement tiles can be used as insulation. When installed leaving a space between the tiles and the rooftop surface, it can reduce heating caused by sunlight.Forms of insulation are noticed or cheap sheeting, sometimes with a reflective surface, installed immediately below the tiles or other materials; 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 protected and ventilated roof can have problems with problems including the formation of glaciers dams surrounding the overhanging eaves in cold weather, causing drinking water from melted snow on top parts of the roof top to penetrate the roofing materials. Ice dams happen when heat escapes through the uppermost area of the roof, and the snow at those true factors melts, refreezing as it drips along the shingles, and collecting in the form of ice at the lower points. This can cause structural damage from stress, like the damage of drainage and gutter systems. Thanks for reading and visit our blog, don't forget to share this informative article.