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Roll-formed metal roof purlins, also called roof battens. They are cropped to the angle of the purlin top cuts and can be lapped for joining. Metal purlins or roof battens screwed to roof gang-nail-type trusses
A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope . The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.
The main function of an OWSJ is to provide direct support for roof or floor deck and to transfer the load imposed on the deck to the structural frame i.e. beam and column. In order to accurately design an OWSJ, engineers consider the joist span between bearing points, joist spacing, slope, live loads , dead loads , collateral loads, seismic ...
The primary roof covering [5] on houses in North America are asphalt shingles, but some have other types of roof shingles or metal roofs. Tile and thatch roofs are more common in Europe than North America. Some roofing materials help reduce air conditioning costs in hot climates by being designed to reflect light.
Roofing (clout) nail – generally a short nail with a broad head used with asphalt shingles, felt paper or the like; Screw (helical) nail – a nail with a spiral shank - uses including flooring and assembling pallets; Shake (shingle) nail – small headed nails to use for nailing shakes and shingles
Vertical, metal furring is applied to the wall to create a channel and receive the siding material. In construction, furring (furring strips) are strips of wood or other material applied to a structure to level or raise the surface, to prevent dampness, to make space for insulation, to level and resurface ceilings or walls, [1] or to increase the beam of a wooden ship.
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