How to attach a wooden post to concrete so it doesn't spin
Standard concrete screws like Tapcons often spin out and fail to tighten properly in this application. This leaves the wooden post insecure and prevents you from successfully installing a sturdy railing.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Using Simpson Strong-Tie post bases with concrete anchors
- 2Attaching a grab bar directly to the house
- 3Predrilling the holes
- 4Using a ramset gun
In their words
Unedited, most upvoted first, each linked to the thread it came from.
Where this came up
People with this problem also raised
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- 3Contractor poured concrete over basement floor access holes
- 2Are ridge hooks enough to secure a roof ladder?