Corrugated cladding is a strong and economical building material made of metal, fiberglass, or vinyl sheets set in horizontal or vertical patterns. Corrugations provide strength and stiffness to the material, allowing it to be secured with fewer studs or crossbars. Galvanized steel is the most commonly used material, but aluminum is preferred in coastal regions due to its ability to form a hard coating that protects against deterioration. Fiberglass or vinyl can be used for patios and porches but are not as strong as steel or aluminum.
Corrugated cladding is an exterior building covering made of corrugated or rippled metal, fiberglass, or vinyl sheets set in horizontal or vertical patterns. The siding is called corrugated when it has been pressed or factory produced in a hill and valley pattern, with a depth of half an inch (1.27 cm) for each valley. The most common corrugated fitting is made of galvanized steel.
The corrugations in corrugated siding provide strength to the sheets of material and allow them to be secured to a framework with studs or crossbars placed much further apart than regular non-corrugated material. The corrugations in corrugated coatings give the flat material the stiffness needed to resist dents and swelling.
Corrugated iron siding is widely used for farm and ranch buildings as it is a strong and economical building material. This fitting is available in several strength gauges for material thickness and different lengths, although most are manufactured in 27 1/2 inch (69.85 cm) widths, which means 24 inches (60.96 cm) of coverage with a 1 3/4 inch (4.45 cm) overlap on each side.
Corrugated iron sheets are usually set in a vertical or upright position from the ground to the roof overhang, although they can also be set in a horizontal pattern. Nails or screws can be used to attach corrugated siding to a structure. If corrugated siding is attached to a metal frame, then self-tapping screws are used.
While galvanized steel is the most commonly used material for corrugated siding, aluminum is also popular in some areas. Corrugated steel is much stronger than corrugated aluminum and is much more resistant to dents, but in areas where there is a lot of wind and hail, corrugated steel siding is preferred.
However, in coastal regions where the atmosphere contains large amounts of moisture and salt, aluminum is often preferred over steel even though it is not as strong. Aluminum cladding will provide greater durability than steel over the long term due to its ability to form aluminum oxide, sealing the aluminum from further deterioration by providing a hard coating on the fitting.
For patios and porches, corrugated fiberglass or vinyl can be used as both siding and roofing as these materials will allow light through while protecting from direct sunlight. However, these materials cannot take direct hits like steel or aluminum can. Where corrugated steel or aluminum siding can finally dent under heavy blows or excessive pressure, fiberglass or vinyl will break.
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