Q&A for How to Install a Vinyl Fence

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Do I have to let the posts sit for awhile after I set them with concrete, before I put the fence together?

Community Answer

It is best practice to brace each post plumb (level) temporarily and at least 24 hours for concrete to fully harden.

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Question

Is concrete necessary for installing a post?

Donagan

Top Answerer

Not strictly necessary, but strongly recommended.

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Question

Can vinyl fencing be installed with existing wood posts?

Community Answer

Not recommended, as the wooden posts can rot and leave the vinyl posts without support.

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How far apart do I place vinyl fence posts?

Donagan

Top Answerer

There's no specific rule. It depends on the length and height of the fence sections, environmental factors such as wind load, cost considerations, and your own preference for appearance. Posts could be set anywhere from six to 20 feet apart.

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Question

Does the top rail or bottom rail get the reinforcement bar when installing a vinyl fence?

Community Answer

Place the reinforcement rail in the bottom channel to prevent the fence from sagging. The reinforcement rail should look like a "C" or "U"; put the opening downward for best support.

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Do I need to use wooden 4"x 4" posts under the 4" x 4" vinyl sleeves? Can I use different sizes?

Community Answer

Depends on the fencing. You can place wood supports inside them, but it sometimes doesn't matter with the manufacturer. You will need post supports at gates, though. They're metal and have enough room inside for the slats to be put in. If you are putting in support posts inside the vinyl, make sure you have room for the fence slats to be inserted. Otherwise, it's a huge pain to have to cut inside to ensure you have a proper fit.

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