Whether you’ve bought a fence that you want to install yourself, are having it installed by someone else, or want to refresh an existing fence, you might be tempted to modify it in some way.
However, before you fire up the welder, plug in the grinder, or get your paint supplies ready, there are a few things you need to know about on-site modifications to fences. In places like Phoenix and other parts of Arizona, you’ll often want a custom fit for a property line, but it’s important to be aware of how those changes might affect your fence’s longevity and warranty.
On-Site Modifications Will Probably Affect Your Warranty
If you’re installing a wood fence that’s built from scratch, or even a chain link fence that might only have a short warranty, on-site modifications might not be a huge problem. However, if you’re installing a branded fence system that offers a long warranty—possibly 20, 25, or more years—any on-site modification could jeopardize the coverage you’ve paid for.
Fence warranties from major manufacturers often have strict guidelines. They may explicitly exclude coverage if the fence is cut, welded, or painted in a way that’s not approved. These restrictions exist because changing the structure or finish in the field can leave weak spots and lessen corrosion resistance. Always check your warranty details or consult the fence company before proceeding with any modification.
Why Do Fence Manufacturers Not Allow On-Site Modifications?
Manufacturers who offer longer warranties have no control over how on-site modifications are done. That means they can’t assure that cuts or welds are made properly or that corrosion protection is applied correctly. Without supervision, they can’t maintain the same quality standards they have during production.
Likewise, once a fence has been modified with outdoor paint or other chemicals, it can be difficult to track the long-term effects on the finish. Manufacturers typically rely on their own controlled processes to ensure consistent quality, and any unapproved alteration might invalidate the fence’s stated performance.
Likewise, once a fence has been modified with outdoor paint or other chemicals, it can be difficult to track the long-term effects on the finish. Manufacturers typically rely on their own controlled processes to ensure consistent quality, and any unapproved alteration might invalidate the fence’s stated performance.
What About Necessary On-Site Modifications?
Sometimes, on-site fence modifications are unavoidable: you may need to trim a panel to fit an irregular lot line, cut around a utility box, or rework a gate for a sloped driveway. In these scenarios, it’s usually best to work with a trusted fence company that has a relationship with the manufacturer. That way, you can potentially obtain permission or recommended guidelines for making those changes.
When on-site modifications are allowed, the manufacturer will likely require specific tools, processes, and protective coatings. For instance, they might specify a certain primer or paint system to seal newly exposed metal, or certain fasteners that meet corrosion-resistant standards. In some cases, they might even send a representative for inspection before granting a warranty on the adjusted parts.
These requirements can be especially important in Arizona’s climate, where intense sun and heat can contribute to wear and tear on a fence. Proper mitigation and following manufacturer guidelines can help ensure that any necessary alterations meet quality standards.
As you can see, there’s a lot to consider before you cut, weld, or otherwise modify a branded fence system on site. Always ask questions before you do anything and make sure it won’t affect your warranty.
Western Fence has decades of experience serving the Phoenix Metro Area and beyond. Our team can guide you through warranty requirements and manufacturer specifications to ensure a stress-free job. If you’re looking for professional help with your Phoenix fence installation or modifications, learn more about our Arizona fence services.