How to Attach A 45 Degree Corner Rail Post Inside The Rim
A tricky situation is a 45 degree corner rail post attached to the inside of the rim joist.
What do you? Now that notching railing posts is no longer a wise
idea, you will have to use a few blocking and hardware connection
techniques to get a good corner rail post installed.
Here is a typical framing scenario for a 45 degree corner post. Check out the blocking and the hardware you will need.
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Required Hardware And Cost
In addition you will need to use custom cut lengths of threaded rod
and you will need a long ½" drill bit and a steady hand to make the
But in the end, this will result in a rigid and reliable 45 degree corner railing set inside the perimeter joist.
This way of installing rail posts at corner locations can be well
beyond the ability or desire of most people to install all this
hardware, or notch the decking boards around each post.
The other issue for some is the vulnerability of the wood posts to
moisture damage over the years because of direct wood on wood contact.
But there are simpler ways to install a strong corner rail post that will also give you a high quality and beautiful looking railing.
Take for example this low profile internal wood railing post anchor shown here.
It's less than twenty bucks and can be used in code
compliant residential deck rail construction when installed according
to the manufacuturer's engineering guidelines.
A Simple And Cost Effective Option
This is a potential solution for new wood deck railings, replacing
rotted railing posts, or as support posts for pergolas, gazebos, decks,
Then watch this video of a surface mount wood post anchor that has been tested for use with wood deck railings and costs less than $20 with all the hardware you will ever need and it covers all the possible situations described above.
So there you have it.
A thorough explanation of building traditional wood railing for decks and alternative solutions for great looking deck railing. You decide which is right for your specific project.