# Overview >Doors are commonly considered Medium objects. **Forcing Open.** With the [[Utilize]] action, a creature can try to force open a door that is [[#Barred Door|Barred]] or [[#Locked Door|Locked]], doing so with a successful STR (Athletics) check. The table provides the DC of the check. **Guidelines.** For bigger doors, double or triple the [[HP]] and increase the DC of the check by 5. <br> # Common Door Table | Door | AC | HP | DC to Force Open | | ----------- |:---:|:---:| :----------------: | | Glass door | 13 | 4 | 10 | | Wooden door | 15 | 18 | 15 | | Stone door | 17 | 40 | 20 | | Metal door | 19 | 72 | 25 | <br> # Barred Door A barred door has no lock. A creature on the barred side of the door can take the [[Utilize]] Action to lift the bar from its braces, allowing the door to be opened. <br> # Locked Door Characters who don't have the key to a locked door can try to [[Picking A Lock|pick the lock]] using Thieves' Tools.