Metal Roofing Contractor, Douglasville, GA

 

Metal roofing is the most popular and widely used roofing systems. Traditionally crafted from zinc-coated wrought iron rolled into corrugated sheets, modern metal roofs can be made from silicon-coated steel (Galvalume), zinc (Zincalume), and aluminum. Another option is standing seam metal, which comes in rolled form with distinct widths and vertical seams to seal the joints.

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Common metals for roofing include:

  • Aluminum (Al): Lightweight and soft, aluminum does not rust but is less rigid and more susceptible to damage than steel.
  • Steel: Heavier and sturdier than aluminum, often coated with zinc to prevent corrosion and then painted or covered with acrylic gel.Corten steel, a type of treated steel, is used for rusty metal roofing due to its self-protective rusting process, eliminating the need for surface painting.
  • Tin (Sn): Rarely used today, “tin roofs” typically refer to any steel roofing.
  • Lead (Pb): One of the oldest roofing materials, lead remains in use for its durability and attractive appearance.

Premium options: Stainless steel, copper, and alloy products. Copper is particularly expensive but offers superior corrosion resistance, strength, UV protection, architectural appeal, lightning shielding, and longevity. Copper roofs require minimal maintenance and are often used in high-end buildings such as educational institutions, places of worship, and government establishments. Installing copper roofs requires specialized expertise.

Roofing Panels and Systems

Different metal roofing panels and systems cater to various specifications and requirements, influenced by factors like fastener methods, colors, panel systems, and paint systems.

Corrugated panel metal roofing: Dating back to the 1840s, corrugated metal sheets are galvanized for corrosion protection, making them suitable for industrial, commercial, and agricultural purposes. They are lightweight, fire-resistant, cost-effective, and environmentally friendly. Exposed fasteners or screws (matching the panel color) and caulking at overlap points ensure water resistance.

Curved panel metal roofing:

Also known as radiused metal panels, these are available as corrugated panels or standing seams. The curving process, often performed on-site, creates the desired radius for both residential and commercial applications.

Standing seam metal panel: Featuring vertical sheets running from ridge to eaves, standing seam panels offer watertight performance with concealed fasteners. Made from painted zinc-coated steel, aluminum, or galvalume steel, they provide excellent corrosion protection and a clean appearance.

Choosing a Style for Metal Roofing

The variety of metal roofs includes shingles and sheet-like panels. Selection depends on budget, aesthetic preference, building design, application, and color options. Metal shingle roofing can mimic slate, wood shakes, shingles, or Spanish tiles, while metal panel roofing often appears as standing seam roofing.

Coating

Coatings like ceramic (a blend of ceramic beads and paint) enhance waterproofing and heat-reflective properties. Clear epoxy coatings preserve the natural color of copper alloys.

Advantages of Metal Roofing

  • Longevity
  • Fire resistance
  • Variety of styles, designs, and colors
  • Minimal upkeep
  • Lightning protection
  • Environmentally friendly
  • Easy installation (except copper)
  • Energy efficiency
  • Can be installed over existing roofs
  • Excellent weather protection

Drawbacks of Metal Roofing

  • Noise during storms
  • Potential for denting
  • High initial cost
  • Expansion and contraction issues
  • Matching materials for future repairs can be challenging
  • Painted metal roofs may peel, chalk, fade, chip, or scratch

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Summary

Metal roofing is sustainable, flexible, and readily available, offering excellent protection, durability, and longevity with minimal maintenance. Available in a range of designs, they require routine maintenance and professional installation to ensure longevity and performance. Employing professional roofers ensures proper material selection, installation, and maintenance.