A roof is part of your building envelope. It is the covering on the uppermost part of the building or shelter which gives protection from pets and weather, notably rain or snow, but also heat, wind and sunlight. The term also denotes the framing or structure which supports that covering.[1]The characteristics of your roof are centered upon the purpose of the building it protects, the available roof covering materials and the neighborhood traditions of construction and wider concepts 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 a garden conservatory protects plants from cold, wind, and rain, but admits light.
Shack made of date hand branches at Neot Semadar, IsraelA roof covering may also provide additional liveable space, for example a roofing garden.The elements in the design of a roof structure are:the materialthe constructionthe durabilityThe material of any roof may range from banana leaves, wheaten seagrass or straw to laminated cup, copper (see: copper roof), aluminium sheeting and pre-cast cement. In many elements of the global world ceramic tiles have been the predominant roof covering materials for years and years, if not millennia. Other roof materials include asphalt, coal tar pitch, EPDM silicone, Hypalon, reboundable foam, PVC, slate, Teflon textile, TPO, and lumber shakes and shingles.
The construction of a roof is determined by its method of support and the way the underneath space is bridged and whether or not the roof top is pitched. The pitch is the position at which the roof goes up from its lowest to highest point. Most US domestic architecture, except in very dry out regions, has roofs that are sloped, or pitched. Although modern structure elements such as drainpipes might remove the dependence on pitch, roofs are pitched for reasons of traditions and appearance. So the pitch is partly dependent upon stylistic factors, also to do with practicalities partly.
Some types of roof covering, for example thatch, require a steep pitch in order to be waterproof and durable. Other styles of roofing, for example pantiles, are unstable over a steeply pitched roof but provide excellent weather protection at a relatively low angle. In locations where there is little rainwater, an almost flat roof with hook run-off provides satisfactory protection against an occasional downpour. Drainpipes also remove the need for a sloping roof.
Somebody who specializes in roof construction is called a roofer.The durability of an roof is a subject of matter because the roof top is often the least accessible part of the building for purposes of repair and renewal, while its damage or destruction can have serious effects.
Because the purpose of a roof top is to protect people and their belongings from climatic elements, the insulating properties of a roof are a concern in its composition and the choice of roofing materials.Some roofer materials, specifically those of natural fibrous material, such as thatch, have excellent insulating properties. For all those that not, extra insulation is often installed under the external layer. In developed countries, the majority of dwellings have a ceiling installed under the structural members of the roof. The purpose of a roof is to insulate against warmth and cold, noise, mud and frequently from the droppings and lice of wild birds who frequently choose roofs as nesting places.
Cement tiles can be utilized as insulation. When installed giving a space between your tiles and the roofing surface, it can reduce heating caused by sunlight.Types of insulation are plastic material or thought sheeting, with a reflective surface sometimes, installed immediately below the tiles or other material; 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 significantly, and sometimes are mandated by local codes. Cool roofs are defined as roofs with both high reflectivity and high thermal emittance.
Poorly insulated and ventilated roof covering can suffer from problems like the formation of glaciers dams across the overhanging eaves in cold weather, causing drinking water from melted snow on higher elements of the roof covering to permeate the roofing material. Ice dams appear when warmth escapes through the uppermost area of the roof, and the snow at those true details melts, refreezing as it drips over the shingles, and collecting in the form of ice at the lower points. This may lead to structural harm from stress, including the devastation of gutter and drainage systems.
Beautiful Sloping roof luxury villa 3700 Sq. Ft. April 2012
Home Roof Design with Modern Touch : Dark Brown Simple Home Roof Idea
sloping roof kerala house design
Home Roof Design with Modern Touch : Dark Brown Simple Home Roof Idea
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