Wood Double Door
Press & hold Activate to lock it or set a combination.
Repair with Wood and a construction tool using the secondary action. Can be upgraded with an Iron Double Door.
Upgrade path
Hit a placed block with a stone axe, claw hammer or nail gun while carrying the material of the next step: 5 hits per upgrade.
Crafting
Craft at Backpack · makes 1
Wood× 10
Harvest drops
- Wood× 2
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Wood Debris (Terrain) (75% of the time) where it lands.
Where to find (11 POIs)
Junkville Saloon (tier 3), Mornin Lumber Hotel (tier 2), Slummit Apartments (tier 2), The Engall's Residence (tier 2), The Jensen Residence (tier 2), Fine Swines (tier 1), Ranger Station Delta (tier 1), Buddies Grain, Moonshiners' Retreat, Northline Inspection Depot, Old Johnson's Shed.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.