Differences between Galvanization and Vinyl-coating

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Metal fencing, whether woven chain-link fence or welded wire fence, is frequently applied in schools, governments, residential yards, commercial buildings or other locations for their easy installation, cost effectiveness as well as durability. There are a lot of factors to be considered before selection. They include fence height, aperture size, wire gauge and wire coating. Among these factors, proper wire coating is essential to protect your fence from harsh environment elements like humidity, sand, soil chemicals and acid rain.

There are two popular wire coating - galvanized and vinyl-coated. Their distinctive difference depends on that a vinyl-coating is sealed around the zinc-coated steel wire. Or the vinyl-coated wire should be first galvanized. Thus vinyl-coated wire mesh lasts longer than galvanized. Most galvanized fence lasts 15 to 20 years. However, vinyl coated fences tend to last longer for its extra protective coating.

Vinyl-coated chain link or welded wire fence is superior to galvanized not only in durability, but also in appearance. Zinc-coated fence tends to leave a industrial appearance, while vinyl-coated fence match well with the surroundings. The frequent color is black and green.

Although vinyl-coating has advantages in durability, and appearance, but it is a little more expensive than zinc-coating. You can select either coating according to your actual situation.

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Be Wary of Weld Points

You want to put up a wire mesh fence. Which one should you choose? There are so many different types of fencing materials available. The fence's function, the task you want it to perform, will be a large determining factor in the selection process. Factors that will impact the functioning of your fence:

• Wire gauge

• Mesh opening size

• Height

With few exceptions, wire fences have either a galvanized or a vinyl-coated finish. Usually, the vinyl is applied to the previously galvanized wire. The important question is whether the wire mesh under the vinyl coating is galvanized before it's welded, or if the mesh is galvanized after it is welded. Why is this important?

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When galvanized wire is welded into a mesh, the protective zinc is burned off at the weld points where the wires intersect. This leaves the wires unprotected, exposed to both the air and any corrosive elements that may come in contact with them. Moisture tends to concentrate in these areas. One way to protect the wires from this threat is to vinyl coat them.

Hot-dipped

To get the highest quality protection from rust and corrosion a thick coating of PVC is applied to a wire mesh that has been galvanized after it has been welded. The wire fence material is hot-dipped--passed through a bath of molten zinc. The zinc flows over the entire surface of the mesh, thoroughly sealing the wires and the areas where the wires intersect. The PVC is applied last, giving the fence an extended life due to its double protection.

Double Protection

What factors make PVC coated galvanized after welded wire mesh the best vinyl coated wire mesh and fence?

• This attractive finish is pleasing to the eye

• Longest life--extended protection against rust and corrosion

• Reduced expense and labor of replacement

• Double protection--tightly bonded PVC coating on top of galvanized after weld

The next time you want to be sure that the wire you buy will last the longest, get vinyl coated wire mesh and fence that is galvanized after weld. Make sure the coating of PVC is both thick and tightly bonded to the underlying wire. This is so tough it's the same type of mesh used for lobster traps.

Don't settle for less expensive inferior wire mesh products--this is false economizing. Get the products that will stand the test of time!

You do have a choice!

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