Prison Architect Wiki
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Materials are decorative and sometimes functional textures that you can use to customize the facilities of your prison. They can be divided into two big groups: Walls and Flooring.

Construction and Demolition[]

Your Workmen will take care of building and demolishing Walls and Flooring whenever you give them the order.

  • To build a Wall, open the Walls & Doors menu on the 'Walls' tab (default tab whenever you open the menu) and select the type of Wall you want to build; click, hold and drag on an empty spot of the map to build a wall in a line or a square. This method is used only to build dividing walls; if you need to build foundations, use the Foundations menu.
  • To demolish a Wall, use the 'Demolish Walls' tool found in both the Foundations menu and at the end in the Walls & Doors menu. This will generate Rubble, which needs to be dumped by Workmen.
  • To place Flooring, open the Flooring menu and select the desired type of Flooring to build; click, hold and drag to lay down the Flooring. Some types of Flooring can only be placed 'indoors' (e.g. Wooden Floor) or 'outdoors' (e.g. Road).
  • To remove Flooring, select the 'Sell Flooring' tool in the Flooring menu and select the Flooring you wish to dispose of; this action is immediate and do not required Workmen.

Walls[]

Walls are used enclose outside areas of your prison and delimit rooms.

Although most of the walls only differ differ in aesthetics, some of them have additional features:

  • Fence, Fence (grass) and Fence (bamboo) let your Guards see through them; however they are easy to climb over by prisoners if you have Escape Plans enabled in the map settings.
  • Barred Wall lets your Guards see through it, and they can also shoot with a Tazer through the bars.

NOTE: indoors and outdoors areas do not visually communicate between them, meaning a Guard or CCTV camera placed outside will not be able to see inside a room even if it has Barred Walls.

  • Perimeter Wall prevents prisoners to digging Escape Tunnels under it; however it doesn't let you build water pipes through it.

Prisoners and Staff members cannot usually pass through walls; Workmen may occasionally travel through walls when building near or under them to prevent getting stuck. If you enable the mutator 'Spectral Staff', all your Staff can move freely through walls.

Image Name In-game
Description
Indoors /
Outdoors
Notes Cost
Fence.png
Fence Outdoors Only Outdoors Only Can be climbed
See through
$3
Fence (Grass).png
Fence (Grass) Fence sections with grass beneath, instead of dirt. Outdoors Only Can be climbed
See through
$3
Concrete Wall.png
Concrete Wall $50
Brick Wall.png
Brick Wall $50
Perimeter Wall.png
Perimeter Wall Water Pipes can not be built underneath. Outdoors Only Prisoners can't dig Escape Tunnels under it
You can't place pipes through it
$200
Barred Wall.png
Barred Wall Build barred wall sections on top of foundations, to create new areas or rooms. See through
Guards can shoot their Tazer through it
$70
White Wall.png
White Wall Build walls made of breeze block on top of foundations, to create new areas or rooms. $50
Tiled Wall.png
Tiled Wall Build tiled walls on top of foundations, to create new areas and rooms. $90
Wall (Rusty).png
Wall (Rusty) Build cheap rusty walls for post-apocalyptic look. Decreases a Cell's grade $20
Wall (Slum).png
Wall (Slum) Build cheap slum walls, because money saved on inmate welfare is money you can put towards extending your office. Decreases a Cell's grade $20
Wall (Derelict).png
Wall (Derelict) Build cheap derelict walls for that ancient look. Decreases a Cell's grade $20
Wall (Overgrown).png
Wall (Overgrown) Build cheap overgrown walls because even in prison, life finds a way. Decreases a Cell's grade $20
Fence (Bamboo).png
Fence (Bamboo) A man made bamboo fence for an encampment look. Outdoors Only Can be climbed
See through
$3
Wall (Art Deco).png
Wall (Art Deco) Build Art Deco Walls to create 1920's architectural look to the prison. $100
Hedge.png
Hedge Tall but weak hedges. More of a nicety than a serious security option. Outdoors Only $3
Wall (Cushioned).png
Wall (Cushioned) Build wall sections on top of foundations to create new areas or rooms that have a wealthy, leather look to them. Indoors Only $110
Wall Classy (Burgundy).png
Wall (Classy Burgundy) Build classy walls on top of foundations, to create new staff areas or rooms. $50
Wall (Oriental).png
Wall (Oriental) Build oriental walls to create areas of the prison with an ancient Japanese feel. $50
Wall Classy (Green).png
Wall Classy (Green) Build classy walls on top of foundations, to create new staff areas or rooms. $50
Wall Classy (Blue Stripes).png
Wall Classy (Blue Stripes) Build classy walls on top of foundations, to create new staff areas or rooms. $50
Wall (Yutani).png
Wall (Yutani) Build walls with a hi-tech look on top of foundations, to create new areas or rooms. Goes great with the Cargo or Solaco floor. $100
Wall (Decayed).png
Wall (Decayed) Build cheap walls made of decayed breeze block on top of foundations. Decreases a Cell's grade $20
Wall (Low Sec).png
Wall (Min Sec) Build coloured walls to indicate a certain security sector of the prison. $90
Wall (Med Sec).png
Wall (Med Sec) Build coloured walls to indicate a certain security sector of the prison. $90
Wall (Max Sec).png
Wall (Max Sec) Build coloured walls to indicate a certain security sector of the prison. $90
Wall (White).png
Wall (White) Build coloured walls to indicate a certain security sector of the prison. $90
Wall (Yellow).png
Wall (Yellow) Build coloured walls to indicate a certain security sector of the prison. $90
Cliff Edge.png
Cliff Edge Build cliff walls to create elevated and impassible areas around your prison or island. Outdoors Only $250
Reclaimed Wooden Wall.png
Reclaimed Wood Wall Wooden walls, created by reusing old materials. $40
Bottle Wall.png
Bottle Wall Beautiful and colourful walls, created by reusing old materials. $40
White Picket Fence.png
White Picket Fence Great at securing your flower gardens, but not so great with securing prisoners. Outdoors Only Can be climbed
See through
$5
Hay Bale Wall.png
Hay Bale Wall Tall but weak hay bales. More of a nicety than a serious security option. Outdoors Only $3
Wooden Fence.png
Wooden Fence A man made wooden fence, that provides a more natural look. Outdoors Only Can be climbed
See through
$5
Garden Wall.png
Garden Wall Adds a little life and colour to your prison's boundaries. $30

Flooring[]

Flooring can influence the walk speed of people walking on it. Most Flooring types can only be placed indoors or outdoors.

Image Name In-game
Description
Indoors
Outdoors
Notes Walk
Speed
Cost
Dirt.png
Dirt Outdoors Only Can be built on water Slow Free
Mud.png
Mud It's mud and it's free! Outdoors Only Can be built on water
Decreases a Yard's grade
Slow Free
Paving Stone.png
Paving Stone Outdoors Only Fast $10
Grass.png
Grass Outdoors Only Can be built on water Slow $10
Grass Corner.png
Grass Corner A grass corner with dirt. Useful for angled pathways. Outdoors Only Can be built on water Slow $15
Gravel.png
Gravel Outdoors Only Slow $10
Road.png
Road Outdoors Only Normal $10
Stone.png
Stone Outdoors Only Normal $10
Sand 01.png
Sand Outdoors Only Can be built on water Slow Free
Sandstone.png
Sandstone Lay sandstone slabs down on outdoor areas. Outdoors Only Normal $40
Concrete Tiles.png
Concrete Tiles Both Fast $10
Concrete Floor.png
Concrete Floor Indoors Only The default floor material found inside all newly built foundations. Fast $10
Solaco.png
Solaco Give our prison floors a hi-tech look. Goes great with the Yutani walls. Indoors Only Normal $50
Wooden Floor.png
Wooden Floor Indoors Only Normal $50
CeramicFloor.png
Ceramic Floor Indoors Only Normal $50
Mosaic Floor.png
Mosaic Floor Indoors Only Fast $10
Metal Floor.png
Metal Floor Indoors Only Fast $10
Grate.png
Grate Give our prison floors a hi-tech look. Indoors Only Normal $40
Limestone.png
Limestone The floor is the colour of faded limes. Indoors Only Fast $50
Marble Tiles.png
Marble Tiles Indoors Only Normal $10
White Tiles.png
White Tiles Indoors Only Normal $10
Fancy Tiles.png
Fancy Tiles Indoors Only Normal $10
Carpet (Blue).png
Carpet (Blue) Lay comfy carpet down. Perfect for staff areas. Indoors Only Normal $50
Carpet (Brown).png
Carpet (Brown) Lay comfy carpet down. Perfect for staff areas. Indoors Only Normal $50
Carpet (Red).png
Carpet (Red) Lay comfy carpet down. Perfect for staff areas. Indoors Only Normal $50
Iron Floor.png
Iron Floor Give our prison a bespoke look. Indoors Only Normal $10
Cargo Floor.png
Cargo Floor Give our prison floors a bespoke look. Indoors Only Fast $20
Checkered Floor.png
Checkered Floor These would probably look good in Kitchens or Canteens. Indoors Only Fast $10
Padded.png
Padded Matches the padded walls to create a complete padded cell for Criminally Insane inmates. Indoors Only Caters to the Safety need Slow $40
Grass n Stones.png
Grass n Stones A grassy area with flag stones. Outdoors Only Can be built on water Normal $15
Lunar.png
Lunar A hardened rocky surface with an interstellar look. Outdoors Only Can be built on water Normal $30
Snow.png
Snow It's like water, only colder and prettier. Outdoors Only Can be built on water Slow $5
Running Track.png
Running Track Perfect for our inmates to jog on, in the Yard. Outdoors Only Very Fast $50
Bamboo.png
Bamboo A floor with a jungle encampment look. Indoors Only Normal $5
Flowery Field.png
Flowery Field A grassy area with nice flowers growing. Outdoors Only Can be built on water Normal $15
Dock (Wooden).png
Dock (Wooden) A solid timber floor, perfect for dock yard. Outdoors Only Normal $40
Cliff Edge.png
Cliff Edge Build cliff walls to create elevated and impassible areas around your prison or island. Outdoors Only $250
Reclaimed Brick.png
Reclaimed Brick A herringbone patterned floor tile, created by reusing old materials. Both Normal $20
Reclaimed Rubber.png
Reclaimed Rubber Rubber floor tiles, created by reusing old materials. Both Fast $40
Field Grass.png
Field Grass An overgrown patch of grass. Outdoors Only Slow $20
Laminate Flooring.png
Laminate Flooring
(Fire Resistant)
A wooden floor with fire resistant properties. Indoors Only Normal $50
Carpet.png
Carpet
(Fire Resistant)
Lay comfy carpet down. Perfect for Staff areas. It also has fire resistant properties. Indoors Only Slow $30
Water.png
Water Create streams, rivers and other impassible water areas. Outdoors Only $10
Water.png
Water (Large) Create large areas of water, lakes and oceans. Outdoors Only 4x4m circle $120
Water (Shallow).png
Water (Shallow) Create shallow water areas to create a nicer shorelines, between Sand and Water flooring. These tiles can be walked on unlike standard Water. Outdoors Only Slow $10
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