How should vinyl fencing posts be installed?

berry_stewartApril 25, 2012

How should vinyl fencing posts be installed? I have 3 different contractors recommending 3 different ways for the same ActiveYards Dogwood panels (I am in New England):

1. 3' depth, 6 inches of gravel in the bottom of each hole and 160# of concrete per post

2. 3' depth, no gravel, 80lbs concrete, Pressure treated wood block insert 5x5x9" for line posts, & 7' block for gate posts

3. 3' depth, no gravel, 80lbs concrete per post, Aluminum Post Stiffener or galvanized steel insert for gate posts

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The important thing to remember is that the posts are hollow and on their own will not support either fence or gate. Gate posts need to be more substantial than other posts. If the concrete goes in the hole first concrete can be worked up into the post somewhat but this is not reliable so I would eliminate No1. A pressure treated wood insert (no. 2) works well but there needs to be gravel in the bottom of the hole as drainage to prevent rotting of the wood. I am not familiar with metal inserts but this could be more durable ask to see a demo: the strength needs to come from the insert and the vinyl just like a sleeve over it.

    Bookmark   April 26, 2012 at 8:42AM
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See this thread:

Here is a link that might be useful: Vinyl fence posts - cement or not?

    Bookmark   April 26, 2012 at 9:09PM
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