Slate roofing is actually a natural rock and in the United Slate is quarried in Pennsylvania, New York, Vermont, and Virginia. As with copper, slate roofing has been used for centuries as a roofing material and has stood the test of time because it is a nonabsorbent natural stone. Today's slate is available in various colors and have various standards associated with them. Although not a popular choice amongst today's roofing consumer, slate roofing is one of the most breath-taking and most durable roofs on the market. However, slate roofing shares the same limitations as copper and tile roofing.
Advantages:
1.Durability- Time tested roofing material
2.Appearance
3.Available in various colors
4.Non-porous
Limitations:
1.Cost
2.Skilled labor required
3.Labor intensive.
Copper
Copper roofing, although used for centuries, is not a widely used roofing material in today's roofing marketplace as a whole. Although majestic and beautiful, copper roofing has declined since the invention of inexpensive metal materials and membrane roofing products which require less complicated installation methods and which are not as labor intensive. Used for centuries in America's most beautiful churches and historic landmarks, copper still remains one of the most sought after roofing for those who can afford the vintage, grand look. From copper roofs to copper valleys and copper through-wall flashings and gutters, the skilled craftsmen we employ have the capability and know-how to make any project look as tasteful as its designer and owner.
Advantages:
1.Durability Time tested roofing material
2.Green roofing product
3.Naturally resistant to algae and mold formation
4.Appearance
5.Versatility- can be shaped and formed for many roof applications: including standing seam, flat seam, gutters, chimney through-wall flashings, valley materials, basic flashings, etc.
Limitations:
1.Cost
2.Skilled labor required
3.Labor intensive
Architectural Metal Systems
Architectural metal roofing is making a comeback in residential, commercial and industrial roofing due to the availability of newer inexpensive metal material technology. A variety of options are available that mimic the look of Tile (Mediterranean tile) and shingle roofing. Metal roofing offers unparalleled water resistance and versatility and should be a strong consideration when deciding to re-roof.
Advantages:
1.Fire-retardant
2.Durable
3.Virtually maintenance free
4.Environmentally friendly, some are composed of recycled materials
5.Reflects and blocks heat transfer resulting in greater energy efficiency
6.Variety of color options
7.Algae/mold resistance
Limitations:
1.Premium pricing
2.Requires Professional installation/training
3.Rain noise transfer
4.Reliance on underlayment for water resistance
5.Possibility of denting