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Lift slab construction (also called the Youtz-Slick Method) is a method of constructing concrete buildings by casting the floor or roof slab on top of the previous slab and then raising (jacking) the slab up with hydraulic jacks. This method of construction allows for a large portion of the work to be completed at ground level, negating the ...
Stone slabs require a very heavyweight roof structure, but their weight makes them stormproof. An obsolete roofing material, now used commercially only for building restoration. Collyweston stone slate named after the village of Collyweston; Solar shingle; Metal shakes or shingles. Long life. High cost, suitable for roofs of 3:12 pitch or greater.
A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°. [ 1 ] Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof .
A diagrid (a portmanteau of diagonal grid) is a framework of diagonally intersecting metal, concrete, or wooden beams that is used in the construction of buildings and roofs. [1] It requires less structural steel than a conventional steel frame. Hearst Tower in New York City, designed by Norman Foster, uses 21 percent less steel than a standard ...
A roofer, roof mechanic, or roofing contractor is a tradesman who specializes in roof construction. Roofers replace, repair, and install the roofs of buildings, using a variety of materials, including shingles, single-ply, bitumen, and metal. Roofing work includes the hoisting, storage, application, and removal of roofing materials and ...
A person that specializes in roof construction is called a roofer. The durability of a roof is a matter of concern because the roof is often the least accessible part of a building for purposes of repair and renewal, while its damage or destruction can have serious effects.
the front façade of the building "rises to form a parapet (upper wall) which hides most or nearly all of the roof" the roof "is almost always a front gable, though gambrel and bowed roofs are occasionally found" "a better grade of materials is often used on the façade than on the sides or rear of the building" and
A rain roof is a second, newer roof that has been constructed over an existing roof that has failed, or which has inadequate slope to shed rain. Since such additional spaces may not be visible or accessible, the concealed void presents a particular hazard in firefighting operations, as a fire may develop or persist in such a space undetected.
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