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Building Blocks

Rust has 20 building blocks across 5 grades, from 10 health in Twig to 2,000 health in Armored.

Twig building blocks

Health
10
Full block
50 Wood
Upkeep a day
10% to 33.3% of its cost
Gone without upkeep in
1 hour
Cheapest raid
25 Sulfur

What each block costs in Twig

Walls

  • Wall Wood 50
  • Doorway Wood 35
  • Window Wood 35
  • Half Wall Wood 50
  • Low Wall Wood 25
  • Wall Frame Wood 25

Floors

  • Floor Wood 25
  • Triangle Floor Wood 13
  • Floor Frame Wood 25
  • Triangle Floor Frame Wood 13

Foundations

  • Foundation Wood 50
  • Triangle Foundation Wood 25
  • Foundation Steps Wood 25
  • Ramp Wood 25

Roofs

  • Roof Wood 25
  • Triangle Roof Wood 25

Stairs

  • L Shaped Stairs Wood 50
  • U Shaped Stairs Wood 50
  • Spiral Stairs Wood 50
  • Triangle Spiral Stairs Wood 50

What it takes to raid a Twig block

Cheapest with explosives

25 sulfur

How many of one explosive destroy one Twig block on its own, counted from the hard side.
ExplosiveWalls, floors, foundations, roofsStairs, steps, ramp
Explosive 5.56 Rifle Ammo 1 1
Beancan Grenade 1 1
F1 Grenade 2 1
High Velocity Rocket 1 1
Satchel Charge 1 1
Rocket 1 1
Timed Explosive Charge 1 1
40mm HE Grenade 1 1

Every count starts from full health, with the Timed Explosive Charge and the Satchel Charge stuck on the block and Explosive 5.56 Rifle Ammo fired from an Assault Rifle.

A Satchel Charge fails to go off 20% of the time and a Beancan Grenade 15%, so carry spares.

Add it up for a whole base in the Raid Calculator.

Getting through a Twig block with a tool

Swings it takes to break one Twig Wall, from each side.

Soft side

Hard side

A tool does 10 times the damage on the soft side. The Wall Frame and Floor Frame have no soft side and take the hard-side count on every face. A block with no hard side takes the soft-side count.

Twig upkeep, decay and repair

What one Twig block adds to the tool cupboard's upkeep, by the size of the base it stands in.
Building piecesShare of the cost, a dayOne Wall
The first 15 10% 5 Wood
The next 50 15% 7.5 Wood
The next 125 20% 10 Wood
Everything above 190 33.3% 16.65 Wood

The Triangle Spiral Stairs adds nothing to the tool cupboard's upkeep, at any grade.

Once the cupboard stops paying, a Twig block goes from full health to gone in an hour.

A hammer swing gives back up to 50 health and takes the matching share of what the block cost: one swing and 50 Wood bring a Twig Wall back from nothing. After a hit, the block cannot be repaired for 30 seconds.

Work out a whole base in the Upkeep Calculator.

Wood building blocks

Health
250
Full block
200 Wood
Upkeep a day
10% to 33.3% of its cost
Gone without upkeep in
3 hours
Cheapest raid
1,200 Sulfur

What each block costs in Wood

Walls

  • Wall Wood 200
  • Doorway Wood 140
  • Window Wood 140
  • Half Wall Wood 200
  • Low Wall Wood 100
  • Wall Frame Wood 100

Floors

  • Floor Wood 100
  • Triangle Floor Wood 50
  • Floor Frame Wood 100
  • Triangle Floor Frame Wood 50

Foundations

  • Foundation Wood 200
  • Triangle Foundation Wood 100
  • Foundation Steps Wood 100
  • Ramp Wood 100

Roofs

  • Roof Wood 100
  • Triangle Roof Wood 100

Stairs

  • L Shaped Stairs Wood 200
  • U Shaped Stairs Wood 200
  • Spiral Stairs Wood 200
  • Triangle Spiral Stairs Wood 200

What it takes to raid a Wood block

Cheapest with explosives

1,200 sulfur

How many of one explosive destroy one Wood block on its own, counted from the hard side.
ExplosiveWalls, floors, foundations, roofsStairs, steps, ramp
Explosive 5.56 Rifle Ammo 48 42
Satchel Charge 3 3
High Velocity Rocket 9 8
Beancan Grenade 18 13
Timed Explosive Charge 1 1
Rocket 2 2
F1 Grenade 189 59
40mm HE Grenade 8 8

Every count starts from full health, with the Timed Explosive Charge and the Satchel Charge stuck on the block and Explosive 5.56 Rifle Ammo fired from an Assault Rifle.

A Satchel Charge fails to go off 20% of the time and a Beancan Grenade 15%, so carry spares.

Add it up for a whole base in the Raid Calculator.

Getting through a Wood block with a tool

Swings it takes to break one Wood Wall, from each side.

Soft side

Hard side

A tool does 10 times the damage on the soft side. The Wall Frame and Floor Frame have no soft side and take the hard-side count on every face. A block with no hard side takes the soft-side count.

Wood upkeep, decay and repair

What one Wood block adds to the tool cupboard's upkeep, by the size of the base it stands in.
Building piecesShare of the cost, a dayOne Wall
The first 15 10% 20 Wood
The next 50 15% 30 Wood
The next 125 20% 40 Wood
Everything above 190 33.3% 66.6 Wood

The Triangle Spiral Stairs adds nothing to the tool cupboard's upkeep, at any grade.

Once the cupboard stops paying, a Wood block goes from full health to gone in 3 hours.

A hammer swing gives back up to 50 health and takes the matching share of what the block cost: 5 swings and 200 Wood bring a Wood Wall back from nothing. After a hit, the block cannot be repaired for 30 seconds.

Work out a whole base in the Upkeep Calculator.

Stone building blocks

Health
500
Full block
300 Stones
Upkeep a day
10% to 33.3% of its cost
Gone without upkeep in
5 hours
Cheapest raid
4,250 Sulfur

What each block costs in Stone

Walls

  • Wall Stones 300
  • Doorway Stones 210
  • Window Stones 210
  • Half Wall Stones 300
  • Low Wall Stones 150
  • Wall Frame Stones 150

Floors

  • Floor Stones 150
  • Triangle Floor Stones 75
  • Floor Frame Stones 150
  • Triangle Floor Frame Stones 75

Foundations

  • Foundation Stones 300
  • Triangle Foundation Stones 150
  • Foundation Steps Stones 150
  • Ramp Stones 150

Roofs

  • Roof Stones 150
  • Triangle Roof Stones 150

Stairs

  • L Shaped Stairs Stones 300
  • U Shaped Stairs Stones 300
  • Spiral Stairs Stones 300
  • Triangle Spiral Stairs Stones 300

What it takes to raid a Stone block

Cheapest with explosives

4,250 sulfur

How many of one explosive destroy one Stone block on its own, counted from the hard side.
ExplosiveWalls, floors, foundations, roofsStairs, steps, ramp
Timed Explosive Charge 2 2
Explosive 5.56 Rifle Ammo 182 167
Satchel Charge 10 10
Rocket 4 4
High Velocity Rocket 32 31
Beancan Grenade 64 46
40mm HE Grenade 29 27
F1 Grenade over 300 182

Every count starts from full health, with the Timed Explosive Charge and the Satchel Charge stuck on the block and Explosive 5.56 Rifle Ammo fired from an Assault Rifle.

A Satchel Charge fails to go off 20% of the time and a Beancan Grenade 15%, so carry spares.

Add it up for a whole base in the Raid Calculator.

Getting through a Stone block with a tool

Swings it takes to break one Stone Wall, from each side.

Soft side

Hard side

A tool does 10 times the damage on the soft side. The Wall Frame and Floor Frame have no soft side and take the hard-side count on every face. A block with no hard side takes the soft-side count.

Stone upkeep, decay and repair

What one Stone block adds to the tool cupboard's upkeep, by the size of the base it stands in.
Building piecesShare of the cost, a dayOne Wall
The first 15 10% 30 Stones
The next 50 15% 45 Stones
The next 125 20% 60 Stones
Everything above 190 33.3% 99.9 Stones

The Triangle Spiral Stairs adds nothing to the tool cupboard's upkeep, at any grade.

Once the cupboard stops paying, a Stone block goes from full health to gone in 5 hours.

A hammer swing gives back up to 50 health and takes the matching share of what the block cost: 10 swings and 300 Stones bring a Stone Wall back from nothing. After a hit, the block cannot be repaired for 30 seconds.

Work out a whole base in the Upkeep Calculator.

Sheet Metal building blocks

Health
1,000
Full block
200 Metal Fragments
Upkeep a day
10% to 33.3% of its cost
Gone without upkeep in
8 hours
Cheapest raid
8,350 Sulfur

What each block costs in Sheet Metal

Walls

  • Wall Metal Fragments 200
  • Doorway Metal Fragments 140
  • Window Metal Fragments 140
  • Half Wall Metal Fragments 200
  • Low Wall Metal Fragments 100
  • Wall Frame Metal Fragments 100

Floors

  • Floor Metal Fragments 100
  • Triangle Floor Metal Fragments 50
  • Floor Frame Metal Fragments 100
  • Triangle Floor Frame Metal Fragments 50

Foundations

  • Foundation Metal Fragments 200
  • Triangle Foundation Metal Fragments 100
  • Foundation Steps Metal Fragments 100
  • Ramp Metal Fragments 100

Roofs

  • Roof Metal Fragments 100
  • Triangle Roof Metal Fragments 100

Stairs

  • L Shaped Stairs Metal Fragments 200
  • U Shaped Stairs Metal Fragments 200
  • Spiral Stairs Metal Fragments 200
  • Triangle Spiral Stairs Metal Fragments 200

What it takes to raid a Sheet Metal block

Cheapest with explosives

8,350 sulfur

How many of one explosive destroy one Sheet Metal block on its own, counted from the hard side.
ExplosiveWalls, floors, foundations, roofsStairs, steps, ramp
Timed Explosive Charge 4 4
Satchel Charge 23 23
Rocket 8 8
High Velocity Rocket 67 67
Beancan Grenade 131 112
40mm HE Grenade 57 56

Every count starts from full health, with the Timed Explosive Charge and the Satchel Charge stuck on the block.

A Satchel Charge fails to go off 20% of the time and a Beancan Grenade 15%, so carry spares.

Add it up for a whole base in the Raid Calculator.

Getting through a Sheet Metal block with a tool

Swings it takes to break one Sheet Metal Wall, from each side.

Soft side

Hard side

A tool does 10 times the damage on the soft side. The Wall Frame and Floor Frame have no soft side and take the hard-side count on every face. A block with no hard side takes the soft-side count.

Sheet Metal upkeep, decay and repair

What one Sheet Metal block adds to the tool cupboard's upkeep, by the size of the base it stands in.
Building piecesShare of the cost, a dayOne Wall
The first 15 10% 20 Metal Fragments
The next 50 15% 30 Metal Fragments
The next 125 20% 40 Metal Fragments
Everything above 190 33.3% 66.6 Metal Fragments

The Triangle Spiral Stairs adds nothing to the tool cupboard's upkeep, at any grade.

Once the cupboard stops paying, a Sheet Metal block goes from full health to gone in 8 hours.

A hammer swing gives back up to 50 health and takes the matching share of what the block cost: 20 swings and 200 Metal Fragments bring a Sheet Metal Wall back from nothing. After a hit, the block cannot be repaired for 30 seconds.

Work out a whole base in the Upkeep Calculator.

Armored building blocks

Health
2,000
Full block
25 High Quality Metal
Upkeep a day
10% to 33.3% of its cost
Gone without upkeep in
12 hours
Cheapest raid
16,150 Sulfur

What each block costs in Armored

Walls

  • Wall High Quality Metal 25
  • Doorway High Quality Metal 18
  • Window High Quality Metal 18
  • Half Wall High Quality Metal 25
  • Low Wall High Quality Metal 13
  • Wall Frame High Quality Metal 13

Floors

  • Floor High Quality Metal 13
  • Triangle Floor High Quality Metal 7
  • Floor Frame High Quality Metal 13
  • Triangle Floor Frame High Quality Metal 7

Foundations

  • Foundation High Quality Metal 25
  • Triangle Foundation High Quality Metal 13
  • Foundation Steps High Quality Metal 13
  • Ramp High Quality Metal 13

Roofs

  • Roof High Quality Metal 13
  • Triangle Roof High Quality Metal 13

Stairs

  • L Shaped Stairs High Quality Metal 25
  • U Shaped Stairs High Quality Metal 25
  • Spiral Stairs High Quality Metal 25
  • Triangle Spiral Stairs High Quality Metal 25

What it takes to raid an Armored block

Cheapest with explosives

16,150 sulfur

How many of one explosive destroy one Armored block on its own, counted from the hard side.
ExplosiveWalls, floors, foundations, roofsStairs, steps, ramp
Timed Explosive Charge 8 8
Rocket 15 15
Satchel Charge 46 46
High Velocity Rocket 134 134
Beancan Grenade 262 223
40mm HE Grenade 114 111

Every count starts from full health, with the Timed Explosive Charge and the Satchel Charge stuck on the block.

A Satchel Charge fails to go off 20% of the time and a Beancan Grenade 15%, so carry spares.

Add it up for a whole base in the Raid Calculator.

Getting through an Armored block with a tool

Swings it takes to break one Armored Wall, from each side.

Soft side

Hard side

A tool does 10 times the damage on the soft side. The Wall Frame and Floor Frame have no soft side and take the hard-side count on every face. A block with no hard side takes the soft-side count.

Armored upkeep, decay and repair

What one Armored block adds to the tool cupboard's upkeep, by the size of the base it stands in.
Building piecesShare of the cost, a dayOne Wall
The first 15 10% 2.5 High Quality Metal
The next 50 15% 3.75 High Quality Metal
The next 125 20% 5 High Quality Metal
Everything above 190 33.3% 8.33 High Quality Metal

The Triangle Spiral Stairs adds nothing to the tool cupboard's upkeep, at any grade.

Once the cupboard stops paying, an Armored block goes from full health to gone in 12 hours.

A hammer swing gives back up to 50 health and takes the matching share of what the block cost: 25 swings and 25 High Quality Metal bring an Armored Wall back from nothing. After a hit, the block cannot be repaired for 30 seconds.

Work out a whole base in the Upkeep Calculator.

Every block at every grade

What it costs to build each building block as Twig, or to upgrade it to each of the other grades.
Block TwigWood WoodWood StoneStones Sheet MetalMetal Fragments ArmoredHigh Quality Metal
Wall 5020030020025
Doorway 3514021014018
Window 3514021014018
Half Wall 5020030020025
Low Wall 2510015010013
Wall Frame 2510015010013
Floor 2510015010013
Triangle Floor 135075507
Floor Frame 2510015010013
Triangle Floor Frame 135075507
Foundation 5020030020025
Triangle Foundation 2510015010013
Foundation Steps 2510015010013
Ramp 2510015010013
Roof 2510015010013
Triangle Roof 2510015010013
L Shaped Stairs 5020030020025
U Shaped Stairs 5020030020025
Spiral Stairs 5020030020025
Triangle Spiral Stairs 5020030020025

How the price of a block is worked out

Each grade has one price, the one a Wall or a Foundation pays. Every other block pays a share of it, rounded up to a whole resource, and upgrading charges the new grade in full whatever the block was before.

Share of the gradeBlocks
Full priceWall, Half Wall, Foundation, L Shaped Stairs, U Shaped Stairs, Spiral Stairs, Triangle Spiral Stairs
70%Doorway, Window
50%Low Wall, Wall Frame, Floor, Floor Frame, Triangle Foundation, Foundation Steps, Ramp, Roof, Triangle Roof
25%Triangle Floor, Triangle Floor Frame

Blocks with no hard side

14 of the 20 blocks carry a hard side, an extra layer of armor on top of the grade's own, the Wall, the Floor and the Roof among them. Foundation Steps, Ramp, L Shaped Stairs, U Shaped Stairs, Spiral Stairs and Triangle Spiral Stairs have none: a rocket, a grenade or a bullet meets the armor of the grade and nothing more, which is why the same explosive goes further on them. A charge stuck on a block skips the hard side anyway, so it takes the same number on both kinds.

  • Foundation Steps
  • Ramp
  • L Shaped Stairs
  • U Shaped Stairs
  • Spiral Stairs
  • Triangle Spiral Stairs

Building grades, upkeep brackets, decay timers and hard-side raid rules

Every player-constructed base in Rust is assembled from 20 structural shapes placed with a Building Plan and upgraded with a Hammer across 5 material grades, scaling from Twig (10 HP) through Wood, Stone, and Sheet Metal up to Armored (2,000 HP). All 20 shapes within a given grade share an identical hitpoint pool, while placement and upgrade bills scale by the shape's cost fraction in the table above.

Structurally, 14 of the building blocks carry a directional hard exterior, three open frame pieces present hard-side resistance on every face, and the remaining 6 stair, step, and ramp shapes have no hard shell, taking 10 times more melee damage on exposed soft faces. Daily Tool Cupboard upkeep taxes connected structures across four progressive brackets, and swinging a Hammer heals up to 50 HP per strike after a 30-second combat lock.

  • Five construction grades and base costs: All 20 structural shapes upgrade through 5 material tiers spanning 10 to 2,000 hitpoints, billed in Wood, Stones, Metal Fragments, or High Quality Metal.
  • Progressive 24-hour Tool Cupboard upkeep brackets: Connected base pieces are taxed across four marginal block-count tiers ranging from 10% daily upkeep on small starter footprints up to 33.3% on large compounds.
  • Minimum hard-side sulfur raid cost by grade: Explosive breach totals scale strictly by material tier rather than block shape, because every wall, floor, and foundation in the same grade shares the same health bar.
  • Empty Tool Cupboard decay duration and Hammer repair: Unfed structures decay from outer shells inward over 1 to 12 hours by tier, while Hammer strikes restore 50 HP per swing once the 30s combat timer expires.

Frequently asked questions about the Rust wiki

What are the 5 building grades in Rust and how much health does each have?

Player structures in Rust upgrade through 5 tiers shared by all 20 shapes: Twig at 10 HP (50 Wood), Wood at 250 HP (200 Wood), Stone at 500 HP (300 Stones), Sheet Metal at 1,000 HP (200 Metal Fragments) and Armored at 2,000 HP (25 High Quality Metal). Every shape at a given tier carries that exact health bar.

How is the build and upgrade cost of each Rust building block calculated?

Each material tier defines a base price paid at 100% by a full Wall, Half Wall, Square Foundation, or staircase, while smaller pieces pay a fixed percentage rounded up: 70% on Doorways and Windows, 50% on Square Floors, Roofs, and Triangle Foundations, and 25% on Triangle Floors.

Which Rust building blocks have a soft side and how much extra damage do tools deal?

Out of 20 structural pieces, 14 feature an inner soft face where melee tools inflict 10x normal damage. The three wall and floor frame pieces are hard-sided on both faces, whereas the 6 stair, spiral stair, roof, and ramp shapes lack a hard exterior.

How much sulfur does it take to raid each building grade in Rust?

Breaching a hard-sided block at minimum sulfur cost takes 25 Sulfur for Twig (10 HP), 1,200 for Wood (250 HP), 4,250 for Stone (500 HP), 8,350 for Sheet Metal (1,000 HP) and 16,150 for Armored (2,000 HP). Attached charges deal identical damage across all shapes, whereas rockets break soft-sided stairs in fewer shots.

How do Tool Cupboard upkeep brackets work for Rust building blocks?

A Tool Cupboard totals the construction bill of all connected pieces and charges a daily tax by bracket: 10% on the first 15 pieces, 15% on the next 50 pieces, 20% on the next 125 pieces and 33.3% above 190 pieces.

How fast do Rust building blocks decay when the Tool Cupboard is empty?

When a Tool Cupboard runs dry of a grade's material, pieces of that tier crumble from full HP to zero over 1 hour (Twig), 3 hours (Wood), 5 hours (Stone), 8 hours (Sheet Metal) and 12 hours (Armored). Outer shell layers dissolve before interior core rooms.

How does repairing a building block with a Hammer work in Rust?

Swinging a Hammer against damaged tiles heals up to 50 hitpoints per blow and consumes construction materials proportional to the missing health (100% of the tier price across a full bar), provided 30 seconds have elapsed since the block last took attack damage.

How do Square and Triangle Foundation and Floor costs compare in Rust?

A Square Foundation charges 100% of the tier bill (200 Wood, 300 Stones, 200 Metal Fragments, or 25 High Quality Metal), whereas a Triangle Foundation charges 50% (rounded to 13 High Quality Metal in Armored). Square Floors cost 50% and Triangle Floors cost 25%.

Related calculators and reference tables