What are the different grades of metal roofing?

5 Types of Metal Roofing Materials

• Copper — Extremely long-lasting, very soft with low melting temperature.
• Aluminum — Long-lasting, resistant to salt water corrosion.
• Zinc — Extremely long-lasting, resistant to corrosion and lowest melting point.
• Steel — Three variations: galvanized, galvalume, and weathering steel (Corten)

How much does it cost to metal roof yourself?

Metal roofs cost about $250 per square (1 square = 100 s.f.). If you do it yourself, the average roof would cost about $4,000, significantly less than hiring a contractor to install three-tab shingles.

What kind of maintenance does a metal roof need?

Fortunately for log home owners with a brand-new metal roof, you can keep the metal gleaming with a simple, light washing with a water hose twice a year (once in late spring to wash away the pollen and again in late fall to remove fallen leaves, acorns and other debris).

How long does a painted metal roof last?

Even though the paint has a 30-year warranty, it doesn’t mean it’s going to disappear after 30 years. As long as it’s properly installed and your attic is adequately ventilated, there’s no reason you shouldn’t get at least 30 years out of your standing seam metal roof.

Does a metal roof need to be painted?

Your metal roof will most likely not need any repainting for a dozen years or more, especially if it was installed with one of our modern high-quality paint systems. … Acrylic and oil-based paints can be recoated every two to four years. Elastomeric systems only need to be recoated every five to ten years.

What is under a metal roof?

The traditional and most common material used for roof underlayment on a steep-slope metal roof is non-perforated, asphalt-impregnated felt underlayment. … Architectural metal roofs with felt underlayment are best suited for buildings with proper slope and low moisture loads in dry or arid climates.