Upgrade path

Hit a placed block with a stone axe, claw hammer or nail gun while carrying the material of the next step: 4 hits per upgrade.

Also upgraded from Plain Wood Barricade02 Center Plate (4× Wood), Plain Wood Window Plug (4× Wood), Plywood Osb Center Plate (4× Wood), Siding White Burnt Center Plate (4× Wood), Window Plug 01 (4× Wood), Window Plug 02 (4× Wood), Wood Barricade Center Plate (4× Wood).

When its hit points run out it becomes Plain Wood Window Plug.

Harvest drops

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 (7 POIs)

Town Hall (tier 4), The Grand Forks Estate (tier 3), The Nightstar Residence (tier 3), The Huenink Residence (tier 2), The Dead Rooster (tier 1), The Reber Residence (tier 1), The Mimzy Residence.

Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.