A roofing is part of any building envelope. It's the covering on the uppermost part of the building or shelter which provides protection from pets or animals and weather, rain or snow notably, but also heat, sunlight and wind. The term also denotes the framing or structure which supports that covering.[1]The characteristics of your roof are reliant upon the goal of the building that it addresses, the available roof materials and the neighborhood traditions of engineering and wider principles of architectural design and practice and may also be governed by local or nationwide 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 hand branches at Neot Semadar, IsraelA roof structure may also provide additional living space, for example a roof covering garden.The elements in the design of a roof are:the materialthe constructionthe durabilityThe material of a roof may range from banana leaves, wheaten seagrass or straw to laminated cup, copper (see: copper roof covering), aluminium sheeting and pre-cast concrete. In many elements of the global world ceramic tiles have been the predominant roof materials for centuries, if not millennia. Other roof materials include asphalt, coal tar pitch, EPDM silicone, Hypalon, polyurethane foam, PVC, slate, Teflon cloth, TPO, and solid wood shakes and shingles.
The construction of your roof depends upon its approach to support and how the underneath space is bridged and whether or not the roof is pitched. The pitch is the angle at which the roof rises from its minimum to highest point. Most US domestic structures, except in very dried out regions, has roofs that are sloped, or pitched. Although modern construction elements such as drainpipes might take away the dependence on pitch, roofs are pitched for reasons of traditions and aesthetics. So the pitch is partly dependent after stylistic factors, also to do with practicalities partially.
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 on the steeply pitched roof but provide excellent weather protection at a comparatively low angle. In regions where there is little rainfall, an almost level roof with hook run-off provides adequate protection against an occasional downpour. Drainpipes remove the need for a sloping roof also.
A person that specializes in roof construction is called a roofer.The durability of any rooftop is a subject of concern because the roof covering is often the least accessible part of an building for purposes of repair and renewal, while its destruction or devastation can have serious results.
Because the purpose of a roof covering is to protect people and their property from climatic elements, the insulating properties of an roof structure are a factor in its structure and the choice of roofing materials.Some roofing materials, those of natural fibrous materials especially, such as thatch, have excellent insulating properties. For those that do not, extra insulation is installed under the outer covering often. In developed countries, the majority of 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 frequently 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 system caused by sunlight.Forms of insulation are plastic material or thought sheeting, with a reflective surface sometimes, installed directly below the tiles or other materials; 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 are becoming popular progressively more, and in some instances are mandated by local codes. Cool roofs are defined as roofs with both high reflectivity and high thermal emittance.
Poorly covered and ventilated roofing can have problems with problems like the formation of snow dams surrounding the overhanging eaves in cold weather, causing normal water from melted snow on top elements of the roofing to permeate the roofing material. Ice dams arise when heating escapes through the uppermost part of the roof, and the snow at those true details melts, refreezing as it drips across the shingles, and collecting in the form of ice at the lower points. This can result in structural harm from stress, like the destruction of gutter and drainage systems.
Two, four, or multi post design. Metal or wood lattice roof system
Metal Roof Houses curved steel roof home by Dutch architects
Southern Living Custom Builder : White Plains
Two, four, or multi post design. Metal or wood lattice roof system
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