Corrugated Metal Siding:
A Viable Option for Your Home?
You are probably familiar with the wavelike pattern of corrugated metal siding - but perhaps you have seen it on roofing in your area. The look is similar to corrugated cardboard. The waves add extra strength and durability to the material.
What you may NOT know is that some people are choosing this product for their homes!
Corrugated metal siding is sometimes referred to as "architectural siding or cladding" and is most often associated with industrial buildings, "retro" buildings (perhaps an older home is livened up with the addition of the siding) or modern designs.
But it is gaining popularity with some in the green building industry, and with homeowners in particular who appreciate its durability, non toxic properties, and heat-reflecting characteristics.
Although metal is considered to be somewhat energy-intensive to manufacture, it is highly recyclable, non-toxic, and very long lasting. It is not unusual for metal to carry a warranty of 50 years (and it may last well past that mark).
Corrugated Metal siding is ideal for homes in coastal areas, where moisture and salt are ever present. It is also a good choice for areas prone to strong winds, lots of snow, or storms.
Corrugated Metal Siding:
Pros and Cons
This siding has the same advantages and disadvantages of any metal siding, but the corrugation adds another dimension of strength and durability to the product.
- Fire Resistant
- Minimal Maintenance Required
- Termite Resistant
- Usually less costly than stucco, brick or concrete products
- Energy intensive to manufacture
- Finite resource (yet can be recycled)
- Not a good source of insulation
- Often has to be shipped long distances
- Should be grounded to prevent electric shock
Corrugated Aluminum Siding
Aluminum siding is useful where a more durable finish is required than straight sheet metal can provide.
This siding is especially ideal in coastal areas because the aluminum reacts with moist and salty air to form aluminum oxide. This reaction creates a very hard coating that then seals the aluminum surface from future deterioration.
Some companies offer coatings to protect the finish from rust. Other people pay to have the coatings removed - to "rust out" the look of their siding - so it looks older!
Aluminum is softer than steel, so it is somewhat prone to denting if your area gets many hailstorms.
Corrugated Steel Siding
Corrugated Steel Siding is a stiffer material than aluminum. It offers advanced dent resistance from hailstorms.
The siding can form rust over time, but there are corrosion-resistant coatings (such as zinc) than can be added to the material. Sometimes these coatings may fail around the edges as years go by. But there are some products with baked-on finishes guaranteed for a number of years. Should it be needed, the metal can be repainted with tough paint (auto body paint is a good choice) if the extended life of the product is a little "rough around the edges".
Steel is also the best in terms of fire protection.
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