Material surface properties

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This is the list of physical surface types that Source recognises, as defined by the files referenced in /scripts/surfaceproperties_manifest.txt.

Surface types define the physical properties of an object including friction and density, collision/footstep sounds, the effect of bullet impacts and, if the object is destructible, health and gib type.

Both materials and models define their surfaces with the $surfaceprop command.

Note.pngNote:For GoldSrc GoldSrc, use sounds/materials.txt. This file usually has documentation at the top dictating which surface types are available in the given mod.

Types

Special

Description
Blockbullets (in Counter-Strike: Global Offensive) Blocks bullets entirely, because the Tools/ToolsBlockBullets doesn't really block bullets
Default
Default_silent For invisible collision materials, like sky.
Floatingstandable This one is used for puzzles where we want something that floats but the player can stand on without it sinking beneath the water.
Item Small med kit, smaller tech items, battery.
Ladder Ladder is a fake material for walking on ladders.
No_decal
Player Special materials for player controller.
Player_control_clip Special materials for player controller.
Bat
Blade
Chainsaw
Cricketbat
Crowbar
Fireaxe
Fryingpan
Golfclub
Guitar
Pitchfork
Shovel
Sword
(in Left 4 Dead 2) Like "Weapon" but used for the melee weapons to give specific sounds when they are dropped.

Concrete/Rock

Description
Baserock missing?
Boulder Will cause material glitches if used in models
Brick
Concrete
Concrete_block 9x12 prefabricated concrete cinder blocks.
Gravel
Rock Solid rock (small sounds).
Sheetrock (in Left 4 Dead 2Counter-Strike: Global Offensive)
Cavern_rock (in Half-Life 2: Episode Two)

Metal

Description
Canister Large oxygen tank, propane tank, welding tank.
Chain Metal chain.
Chainlink Chainlink fencing material.
Combine_metal
Crowbar
Floating_metal_barrel
Grenade Solid hand grenade.
Gunship
Metal
Metal_barrel
metal_sand_barrel (in Counter-Strike: Global Offensive)
Larger metal barrel, metal oil drum.
Metal_bouncy
Metal_Box Smaller metal box (< 2' width/height/depth)
Metal_seafloorcar
Metalgrate Metal grating, used for decking
Metalpanel Thick solid steel panel - used for solid wall, floor, machine construction.
Metalvent ~1mm thick metal
Metalvehicle
Paintcan Smaller metal can
Popcan Small aluminum can, full.
Roller Roller NPC
Slipperymetal
Solidmetal
Note.pngNote:Almost nothing is solid metal - so metal is sheet metal
Strider
Weapon Sounds for when weapons drop.
Strongman_bell (in Left 4 Dead 2Counter-Strike: Global Offensive) Sounds like a boxing ring bell when hit.
Slipperyslide (in Left 4 Dead 2Counter-Strike: Global Offensive) Like SlipperyMetal, but uses SolidMetal sounds.
Metal_shield (in Counter-Strike: Global Offensive) Uses weapon sounds.

Wood

Description
Wood Generic wood
Note.pngNote:materials should use wood_box, wood_crate, wood_plank, wood_panel etc.
Wood_Box
Wood_Crate Large crate, large wood furniture (bookcases, tables).(in all games since Portal 2)(also in Team Fortress 2Left 4 Dead series)
Wood_Dense (in Counter-Strike: Global Offensive)
Wood_Furniture small wood furniture - chairs, small tables.
Wood_LowDensity Small crate.(in all games since Portal 2) (also in Left 4 Dead series) (also in Team Fortress 2)
Wood_Plank Wood board, floorboard, plank.
Wood_Panel Plywood panel, wood door panel.
Wood_Solid Solid 6x6 or greater block, post or tree.
Woodladder (in Left 4 Dead 2Counter-Strike: Global Offensive) A ladder that makes wood sounds when climbing.

Terrain

Description
Dirt
Grass
Gravel
Mud
Quicksand
Sand
Slipperyslime
Antlionsand
Sugarcane (in Left 4 Dead 2Counter-Strike: Global Offensive)

Liquid

Description
Slime
Water
Wade Wade is a water material for walking in/on water at knee height.
Puddle
Wet (in Left 4 Dead 2Counter-Strike: Global Offensive) Doesn't actually do anything.

Frozen

Description
Ice
Snow

Organic

Description
Alienflesh
Antlion
Antlion_eggshell (in Half-Life 2: Episode Two)
Armorflesh Flesh for physics, metal for bullet fx.
Bloodyflesh
Flesh Medium-sized body.
Foliage
Foliage_leaf (in Left 4 Dead 2)Same as Foliage, but uses Foliage sounds, instead of Dirt sounds.
Hunter (in Half-Life 2: Episode Two)
Watermelon
Zombieflesh

Manufactured

Description
Advisor_shield (in Half-Life 2: Episode Two)
Asphalt missing?
Glass Pane of glass, computer screen, window, glass door...
Glassbottle Glass soda bottle, cup, plate, jar...
Glassfloor (in Counter-Strike: Global Offensive)Like Glass, but with a normal friction value.
Combine_glass
Tile
Paper
Papercup
Cardboard
Plaster Drywall, office wall material, sheetrock.
Plastic_barrel Larger plastic barrel, hollow, soft plastic.
Plastic_barrel_buoyant
Plastic_Box Small - Medium plastic box, hard plastic.
Plastic Smaller generic hard plastic.
Rubber Solid rubber floor mat, solid rubber tire.
Rubbertire Hollow rubber tire
Slidingrubbertire
Slidingrubbertire_front
Slidingrubbertire_rear
Jeeptire
Brakingrubbertire
Jalopy (in Half-Life 2: Episode Two)
Jalopytire (in Half-Life 2: Episode Two)
Slidingrubbertire_jalopyfront (in Half-Life 2: Episode Two)
Slidingrubbertire_jalopyrear (in Half-Life 2: Episode Two)
Clay (in Left 4 Dead 2Counter-Strike: Global Offensive) Ceramic jug, mug.
Porcelain Tubs, urinals, sinks
Upholstery

Miscellaneous

Description
Carpet
Ceiling_tile Acoustic ceiling tiles, sound baffles, crumbly plaster.
Computer Computer case, tech equipment case.
Pottery

See also