Support Beams

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Support Beams
Acacia Support Beam.png
Ash Support Beam.png
Aspen Support Beam.png
Birch Support Beam.png
Blackwood Support Beam.png
Chestnut Support Beam.png
Douglas Fir Support Beam.png
Hickory Support Beam.png
Kapok Support Beam.png
Maple Support Beam.png
Oak Support Beam.png
Palm Support Beam.png
Pine Support Beam.png
Rosewood Support Beam.png
Sequoia Support Beam.png
Spruce Support Beam.png
Sycamore Support Beam.png
White Cedar Support Beam.png
No block image.png
Willow Support Beam.png
Acacia Support Beam.pngAsh Support Beam.pngAspen Support Beam.pngBirch Support Beam.pngBlackwood Support Beam.pngChestnut Support Beam.pngDouglas Fir Support Beam.pngHickory Support Beam.pngKapok Support Beam.pngMaple Support Beam.pngOak Support Beam.pngPalm Support Beam.pngPine Support Beam.pngRosewood Support Beam.pngSequoia Support Beam.pngSpruce Support Beam.pngSycamore Support Beam.pngWhite Cedar Support Beam.pngWillow Support Beam.png
Tool

Steel Axe.png

Stacksize

32

Size

Small

Weight

Light

Renewable

Yes

Ore Dictionary

support

Drops

Self

Flammable

Yes

Extra Item Data

See Data

Usage

Support beams are used to prevent cave-ins. This prevention is applied with the horizontal section of the support beam in place. Vertical or corner support beams will not help in preventing a cave-in.

There are a few rules when placing support beams:

  • Support beams must be built vertically at least three blocks high in order to support placement of any horizontal beams.
  • Support beams can only be placed horizontally between two vertical beams that are up to 5 blocks apart.
  • Support beams can be placed vertically to any height.
  • Support beams will place the first 3 blocks all on their own, and any additional beams must be placed one at a time. To override the first 3 behavior, hold (Default:⇧ Shift) while placing.

A single horizontally placed support beam will prevent cave-ins from originating from an area that is 4 blocks in each horizontal direction, and 1 block above and below the beam (9x9x3 Area). Raw Stone that is within this area can still cause cave-ins that originate outside the area when mined. Raw stone that is mined, regardless of if it is supported or not, will randomly scan an area that is 4 blocks in each horizontal direction, and 2 blocks above and below the raw stone (9x9x5 Area). If this random scan finds raw stone or ore that is unsupported, the unsupported block will become the epicenter of a cave-in that will then spread outwards.

Unsupported blocks that are the epicenter of a cave-in can also propagate cave-in's back to supported areas. Cave-in's that fall on a support beam will break that block, and all other connecting horizontally placed support beams, before continuing to fall to the ground. Additional broken support beams may then cause other collapses of gravity-affected blocks to occur. Support beams are a tool for cave-in prevention, and not protection. Mine safely!