Steam Community :: Guide :: A19 Basic building blocks
How To Build And Upgrade A Wooden Frame In 7 Days To Die?
7 days to die how to upgrade wood frame, scrap frame and rebar frame - YouTube
More Rebar Frames – 7 Days to Die Mods
How to: Make Reinforced Concrete + Upgrading (7 Days to Die: Alpha 13) - GSBS - YouTube
Steam Community :: Guide :: A19 Basic building blocks
7 Days to Die Building Block Upgrade Experience (Alpha 19) 7d2d wooden, iron, flagstone, brick,rebar - YouTube
Rebar Frames - Official 7 Days to Die Wiki
As I promised.. I made another and better version of Block upgrade screen, With Names, HP and the amount of required items to upgrade. (I hope it will help everyone ^^ ) :