Upgrade path

Wood Shutters Inside→ 1× Iron Shutters →Iron Shutters Inside→ 1× Steel Shutters →Steel Shutters Inside

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.

Also upgraded from Wood Shutters (1× Iron Shutters).

Crafting

Craft at Backpack · makes 1

Crafted as Iron Shutters: pick this one of its variants when you place it.

Harvest drops

Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.

When it collapses

Falling, it leaves Scrap Metal Pile (75% of the time) where it lands.

Where to find (43 POIs)

Dr. Karen Higashi Residence (tier 5), The Last Sunset Nursing Home (tier 5), Coleman's Drive-In (tier 4), Doominium Tower (tier 4), Downtown Marketplace (tier 4), Ecotrash Recycling Center (tier 4), Jeffelon Zuckergates Estate (tier 4), NFD Downtown HQ (tier 4), ParKing Garage #2 (tier 4), Pineballs Bowling (tier 4), Water Treatment Plant (tier 4), Ann Hoing's Telemarketing (tier 3), Ballzstrike Bowling (tier 3), Bottomless Barrel Buffet (tier 3), Hexagon Hideaway (tier 3), Hybrid Energy Substation #1 (tier 3), Jack's Lumber Mill (tier 3), KLZ Radio (tier 3), KZL Radio Station (tier 3), Law & Order Square (tier 3), OK Laundry (tier 3), Pass-N-Gas Plaza (tier 3), Poopy Pants City Daycare (tier 3), Pop's Pawn & Bel's Bakery (tier 3), The Road Gentleman Truck Stop (tier 3), Towersley Estate (tier 3), Hybrid Energy Substation #2 (tier 2), Mo Power Components Factory (tier 2), NEW Mamma Pizza (tier 2), Ranger Station Echo (tier 2), The Haug Residence (tier 2), ZMB Radio Station (tier 2), Caravan Carousel (tier 1), Motel Eight (tier 1), The Smokehouse (tier 1), Carlos' Travel Center, Condemned Property, Destroyed Pharmacy, Montgomery Public School, Navezgane Outlets and 3 more.

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