3 insert screws through the bracket and into the floor.
Install stair end post to floor.
How to bolt a staircase newel post on top of floor youtube bolting a newel post down to the top of the floor is easy.
Bolting a newel post down to the.
If you could find a big enough one you would have to fill in the bottom of the posts and drill a brass insert to thread the molly bolt into.
Step 3 place post over lag.
Glue the hole tap in the plug and sand flat.
From 1 1 2 access hole insert curved washed and nut.
Torque down hard using the 3 4 box end wrench.
Always make sure you have appropriate backing on the floor itself and that you are aware of and avoid any electrical wires plumbing etc.
But you will still get flex from the subfloor.
Step 2 screw the lag bolt into the floor.
Check the position of the existing newel post and make sure they match.
Set the first newel post in place at the bottom of the stairs.
You just need 4 six inch long rail bolts.
Cut a square hole in the top radius shaped plywood to fit a short 4 inch by 3 inch post.
A steel plate is first screwed to the bottom of the post then the plate itself with the attached post is screwed into the floor.
Two nuts can be used to create a temporary head bolt.
The first method to install newel posts is to use a newel mounting plate.
Insert the post into the new base and plumb the post making its position on the bottom radius shaped plywood.