Windows
Bulletproof Glass Opaque Plate Centered
Bulletproof Glass can be repaired but requires completely new blocks of the same type as repair material.
Harvest drops
Broken Glass× 21
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Where to find (4 POIs)
Haven Hotel (tier 5), Coleman's Drive-In (tier 4), Restaurant Zelekt (tier 4), HNN Bank (tier 3).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.