Doors and hatches
Metal Catwalk Bent, Trap
A false floor or trap that will disintegrate when stepped on.
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.
Harvest drops
Iron× 10
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves
Scrap Metal Pile (60% of the time) where it lands.
Where to find (9 POIs)
Downtown Marketplace (tier 4), Flushing Rule Palace (tier 4), HSP Logistics (tier 4), Hybrid Energy (tier 4), Wasted Stiff's (tier 4), Downtown Apartments (tier 3), Hexagon Hideaway (tier 3), Schittz Law (tier 3), Metal Works (tier 1).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.