: Use treated 4x4 or 6x6 posts to prevent rot. Fast-Setting Concrete : Products like Quikrete Fast-Setting Concrete Go to product viewer dialog for this item. or Postcrete are ideal for easy, quick-dry installations.
: Fast-setting concrete usually takes 30-60 minutes to set and about 4 hours before you can continue working. Wait 24 hours for a full cure before applying heavy loads. Pro Tips for Extra Stability 124364
: Shape the top of the concrete into a slope away from the post to prevent water from pooling at the base and causing rot. : Use treated 4x4 or 6x6 posts to prevent rot