Where is Heavy Trapdoor crafted?

At the Electric Masonry Bench or the Cement Mixer.

How long does Heavy Trapdoor take to craft?

3.75 s per craft at the Electric Masonry Bench, 7.5 s at the Cement Mixer. One craft makes 1. Station speed bonuses are applied in-game and not included.

Heavy Trapdoor

BuildingTier 3

Craft 1 Heavy Trapdoor from 12 Iron Ingot, 4 Steel Screw and 4 Epoxy per craft at an Electric Masonry Bench (3.75 s), or at 1 other station.

In-game description: “A heavy duty trapdoor.”

How to make

1 recipe

Recipe 1 of 1 · station

Electric Masonry Bench

Inputs

12 Iron Ingot,192 per minute3.2 per second12 per craft
4 Steel Screw,64 per minute1.07 per second4 per craft
4 Epoxy,64 per minute1.07 per second4 per craft

Output

1 Heavy Trapdoor,16 per minute0.27 per second1 per craft

Time: 3.75 s per craft, base
Power draw: 2 kWwhile running · cited override
Electricity: 7.5 kJ per craftdraw × time
Unlocked by: T3 IndustrialConcrete Building Trim Set blueprint

Quantities are per craft. Times are each station's base rate (crafting work ÷ processing rate); station speed bonuses are applied in-game and not included.

Weight: 1kg
Stack size: 20
Recipes: 1
Used in: 0

About Heavy Trapdoor

Heavy Trapdoor is a Tier 3 item in the Building category. One craft turns 12 Iron Ingot, 4 Steel Screw and 4 Epoxy into 1 Heavy Trapdoor at the Electric Masonry Bench (3.75 s) or Cement Mixer (7.5 s). Unlocked by the Concrete Building Trim Set blueprint in the Tier 3 tech tree, after Concrete Building Base Set.

Used in

No recipe in the game data uses Heavy Trapdoor.

Crafted at

2 stations

Craft time of Heavy Trapdoor per station
Station	Time / craft	Heavy Trapdoor /min	Power	Water
Electric Masonry Bench	3.75 s	16/min	2 kW cited	250 mL/s (boost)
Cement Mixer	7.5 s	8/min	No power connection	250 mL/s (boost)

Unlocked by

Tier 3 blueprintConcrete Building Trim Set
Requires Concrete Building Base Set.

Change history

Tracked since Week 252. Changes from later data updates appear here.

Heavy Trapdoor FAQ

How do you make Heavy Trapdoor in ICARUS?: One craft turns 12 Iron Ingot, 4 Steel Screw and 4 Epoxy into 1 Heavy Trapdoor at the Electric Masonry Bench (3.75 s) or Cement Mixer (7.5 s).
Where is Heavy Trapdoor crafted?: At the Electric Masonry Bench or the Cement Mixer.
How do you unlock Heavy Trapdoor?: Unlocked by the Concrete Building Trim Set blueprint in the Tier 3 tech tree, after Concrete Building Base Set.
How long does Heavy Trapdoor take to craft?: 3.75 s per craft at the Electric Masonry Bench, 7.5 s at the Cement Mixer. One craft makes 1. Station speed bonuses are applied in-game and not included.