Commercial Roofing Contractors Jackson Ms – 601 936 5293 – Metal Roofing Ms

Commercial Roofing Contractors Jackson Ms – 601 936 5293 – Metal Roofing Ms,601 936 5293 Michael McAlister

Metal roofing installed on your new or old building can save you up to 30% on your air conditioning cost in addition to giving you a tax credit for installing a GREEN roofing system.

Corrugated galvanized steel. This describes the original product that was wrought iron–steel sheet coated with zinc and then roll formed into corrugated sheets. This product is still used today in most areas. The newer push of modern architecture and “green” products has brought these products back to the foreground.
A blend of zinc, aluminium and silicon-coated steel, sold under various trade names like “Zincalume”, “galvalume”, etc. Sometimes left in the raw zinc finish, but more widely used as a base metal under factory coated colors.
Metal tile sheets. These are usually painted or stone-coated steel.
Stainless steel. Available for harsh conditions and/or as a distinctive design element. Usually roll-formed into standing seam profiles; however, shingles are available.
Copper (for main article, see: Copper in architecture). Copper roofs offer corrosion resistance, durability, long life, low maintenance, radio frequency shielding, lightning protection, and sustainability benefits. Copper roofs are often one of the most architecturally distinguishable features of prominent buildings, including churches, government buildings, and universities. Today, copper is used in roofing systems, flashings and copings, rain gutters and downspouts, domes, spires, vaults, and various other architectural design elements. At the Lyle Center for Regenerative Studies copper is used for regenerative principles of sustainable design: if the building were to be dismantled the copper could be reused because of its high value in recycling and its variety of potential uses. A vented copper roof assembly at Oak Ridge National Laboratories (U.S.) substantially reduced heat gain versus stone-coated steel shingle (SR246E90) or asphalt shingle (SR093E89), resulting in lower energy costs.
Aluminum. One of the longest-lasting metals, but somewhat expensive compared to steel products. We do NOT use aluminum, ever. The anodized layer is intimately bonded to the metal and is not normally subject to weathering and wear.
Stone coated steel. Panels made from zinc/aluminium-coated steel with acrylic gel coating. The stones are usually a natural product with a colored ceramic coating.
Lead, often used for church roofs and porches.
Tin

Coating

Several different types of coatings are used on metal panels: anti-rust, waterproofing, heat reflective. They are made of various materials such as epoxy and ceramic.

Untreated Metal roofs absorb and retain heat which causes high building envelope heat loads.

Ceramic coatings can be applied on metal roof materials to add heat reflective characteristic. Most ceramic coatings are made from regular paint, with ceramic beads mixed in as an additive. Although an average ceramic coated roof material reflects 75% to 85% of solar radiations, performance drops by over 30% after a few years due to dirt build-up. Their composition and thickness (from 500 to 1,000 micrometres) can cause cracks to appear, and the color selection is generally limited to white matte finish.

Coatings are sometimes applied to copper. Clear coatings preserve the natural color, warmth and metallic tone of copper alloys. Oils exclude moisture from copper roofs and flashings and simultaneously enhance their appearance by bringing out a rich luster and depth of color. The most popular oils are Lemon Oil, U.S.P., Lemon Grass Oil, Native E.I., paraffin oils, linseed oil, and castor oil. On copper roofing or flashing, reapplication as infrequently as once every three years can effectively retard patina formation. In arid climates, the maximum span between oilings may be extended to from three to five years. Opaque paint coatings are used primarily for work applied over copper when substrate integrity and longevity are desired but a specific color other than the naturally occurring copper hues is required. Lead-coated copper coatings are used when the appearance of exposed lead is desired or where water runoff from uncoated copper alloys would ordinarily stain lighter-colored building materials, such as marble, limestone, stucco, mortar or concrete.Zinc-tin coatings are an alternative to lead coatings since they have approximately the same appearance and workability.
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