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What is Corrugated Galvanized Steel?

Corrugated galvanized steel is a robust material with a wavy pattern that enhances its strength. It's steel coated in zinc, which resists rust, making it ideal for roofing and siding in harsh climates. Its durability and sustainability make it a top choice for eco-conscious construction. Curious about how it can revolutionize your building projects? Let's delve deeper into its versatile applications.
Lori Kilchermann
Lori Kilchermann

Corrugated galvanized steel is often used for roofing applications where rust is not wanted. The corrugated version is simply galvanized steel sheeting that is bent into pieces that contain ridges. It contains rises and falls as well as flat, low spots for securing it to a surface. These sheets can be applied in an overlapping manner to create leak-proof seams on ceilings and walls. This galvanized material is used in climates that promote the fast rust through of unprotected metals.

Bolts and screws are the preferred method for securing corrugated galvanized steel. The galvanized finish creates a surface which in not easily welded. The high heat generated from welding the galvanized steel often causes the galvanizing to burn and peel off. This in turn creates rust through at every weld position. Generally, self-tapping-screws equipped with rubber washers are used whenever possible.

Corrugated galvanized steel is bright silver and shiny.
Corrugated galvanized steel is bright silver and shiny.

Corrugated galvanized steel is bright silver and shiny. It is difficult to paint over the galvanized surface and this is the limiting factor on this material's usefulness as a building component. Used as an exterior building product, the structures can be distracting and even dangerous to passing motorists due to the glare and reflective properties of the galvanized finish. The use of corrugated galvanized steel is usually limited to roofs and interior walls that might come in contact with water, chemicals and animal waste.

Corrugated steel, like galvanized wire, is often protected from corrosion by a layer of zinc.
Corrugated steel, like galvanized wire, is often protected from corrosion by a layer of zinc.

Often used as an underlying material, concrete is ofter poured over corrugated galvanized steel. The galvanized finish prevents the steel from premature rust-through under the cement and the corrugated panels create a strong durable surface in which to support the heavy weight of the concrete. The corrugations allow long spans of concrete to be poured with fewer upright supports being required.

Bolts and screws are the preferred method for securing corrugated galvanized steel.
Bolts and screws are the preferred method for securing corrugated galvanized steel.

Large outdoor grain bins are created from corrugated galvanized steel panels. The panels make very sturdy walls requiring no external or internal supports beyond the corrugated panels themselves. By beginning at the bottom and placing the panels on top of each other, the grain bins are made water tight. The moisture levels of the grain do not affect the galvanized panels at all and they become longtime fixtures on the farm site.

Corrugated galvanized may be a challenge to paint over.
Corrugated galvanized may be a challenge to paint over.

Corrugated galvanized steel panels are also used to build water tanks. The rust preventative characteristics of the galvanized panels prevent the tanks from rusting and developing leaks. Large tanks are built to hold water reserves in areas that frequently suffer long dry spells, while smaller tanks are used to water livestock.

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    • Corrugated galvanized steel is bright silver and shiny.
      By: frog
      Corrugated galvanized steel is bright silver and shiny.
    • Corrugated steel, like galvanized wire, is often protected from corrosion by a layer of zinc.
      By: Jon Le-Bon
      Corrugated steel, like galvanized wire, is often protected from corrosion by a layer of zinc.
    • Bolts and screws are the preferred method for securing corrugated galvanized steel.
      By: Coprid
      Bolts and screws are the preferred method for securing corrugated galvanized steel.
    • Corrugated galvanized may be a challenge to paint over.
      By: vladimirkim3722
      Corrugated galvanized may be a challenge to paint over.
    • Galvanization -- the applying of protective zinc coatings to steel or iron -- is often performed using special machines at production factories.
      By: Moreno Soppelsa
      Galvanization -- the applying of protective zinc coatings to steel or iron -- is often performed using special machines at production factories.