diff --git a/striker-ui/components/Bars/AllocationBar.tsx b/striker-ui/components/Bars/AllocationBar.tsx
index 90b3df0f..ebbe6292 100644
--- a/striker-ui/components/Bars/AllocationBar.tsx
+++ b/striker-ui/components/Bars/AllocationBar.tsx
@@ -1,13 +1,9 @@
-import { LinearProgress } from '@mui/material';
-import { styled } from '@mui/material/styles';
+import { styled } from '@mui/material';
+
+import { PURPLE, RED, BLUE } from '../../lib/consts/DEFAULT_THEME';
 
-import {
-  PURPLE,
-  RED,
-  BLUE,
-  BORDER_RADIUS,
-} from '../../lib/consts/DEFAULT_THEME';
 import BorderLinearProgress from './BorderLinearProgress';
+import Underline from './Underline';
 
 const PREFIX = 'AllocationBar';
 
@@ -15,7 +11,6 @@ const classes = {
   barOk: `${PREFIX}-barOk`,
   barWarning: `${PREFIX}-barWarning`,
   barAlert: `${PREFIX}-barAlert`,
-  underline: `${PREFIX}-underline`,
 };
 
 const StyledDiv = styled('div')(() => ({
@@ -30,10 +25,6 @@ const StyledDiv = styled('div')(() => ({
   [`& .${classes.barAlert}`]: {
     backgroundColor: RED,
   },
-
-  [`& .${classes.underline}`]: {
-    borderRadius: BORDER_RADIUS,
-  },
 }));
 
 const breakpointWarning = 70;
@@ -54,11 +45,7 @@ const AllocationBar = ({ allocated }: { allocated: number }): JSX.Element => (
       variant="determinate"
       value={allocated}
     />
-    <LinearProgress
-      className={classes.underline}
-      variant="determinate"
-      value={0}
-    />
+    <Underline />
   </StyledDiv>
 );
 
diff --git a/striker-ui/components/Bars/BorderLinearProgress.tsx b/striker-ui/components/Bars/BorderLinearProgress.tsx
index 50c1de44..57509a31 100644
--- a/striker-ui/components/Bars/BorderLinearProgress.tsx
+++ b/striker-ui/components/Bars/BorderLinearProgress.tsx
@@ -1,14 +1,15 @@
-import { LinearProgress } from '@mui/material';
-import { styled } from '@mui/material/styles';
-import {
-  PANEL_BACKGROUND,
-  BORDER_RADIUS,
-} from '../../lib/consts/DEFAULT_THEME';
+import { LinearProgress, linearProgressClasses, styled } from '@mui/material';
+
+import { BORDER_RADIUS } from '../../lib/consts/DEFAULT_THEME';
 
 const BorderLinearProgress = styled(LinearProgress)({
-  height: '1em',
+  backgroundColor: 'transparent',
   borderRadius: BORDER_RADIUS,
-  backgroundColor: PANEL_BACKGROUND,
+  height: '1em',
+
+  [`& .${linearProgressClasses.bar}`]: {
+    borderRadius: BORDER_RADIUS,
+  },
 });
 
 export default BorderLinearProgress;
diff --git a/striker-ui/components/Bars/ProgressBar.tsx b/striker-ui/components/Bars/ProgressBar.tsx
index 9f0280ad..d122acf2 100644
--- a/striker-ui/components/Bars/ProgressBar.tsx
+++ b/striker-ui/components/Bars/ProgressBar.tsx
@@ -1,15 +1,15 @@
-import { LinearProgress } from '@mui/material';
-import { styled } from '@mui/material/styles';
+import { styled } from '@mui/material';
+
+import { PURPLE, BLUE } from '../../lib/consts/DEFAULT_THEME';
 
-import { PURPLE, BLUE, BORDER_RADIUS } from '../../lib/consts/DEFAULT_THEME';
 import BorderLinearProgress from './BorderLinearProgress';
+import Underline from './Underline';
 
 const PREFIX = 'ProgressBar';
 
 const classes = {
   barOk: `${PREFIX}-barOk`,
   barInProgress: `${PREFIX}-barInProgress`,
-  underline: `${PREFIX}-underline`,
 };
 
 const StyledDiv = styled('div')(() => ({
@@ -20,10 +20,6 @@ const StyledDiv = styled('div')(() => ({
   [`& .${classes.barInProgress}`]: {
     backgroundColor: PURPLE,
   },
-
-  [`& .${classes.underline}`]: {
-    borderRadius: BORDER_RADIUS,
-  },
 }));
 
 const completed = 100;
@@ -44,11 +40,7 @@ const ProgressBar = ({
       variant="determinate"
       value={progressPercentage}
     />
-    <LinearProgress
-      className={classes.underline}
-      variant="determinate"
-      value={0}
-    />
+    <Underline />
   </StyledDiv>
 );
 
diff --git a/striker-ui/components/Bars/StackBar.tsx b/striker-ui/components/Bars/StackBar.tsx
new file mode 100644
index 00000000..d0676490
--- /dev/null
+++ b/striker-ui/components/Bars/StackBar.tsx
@@ -0,0 +1,72 @@
+import { Box, linearProgressClasses } from '@mui/material';
+import { FC, ReactElement, useMemo } from 'react';
+
+import { GREY } from '../../lib/consts/DEFAULT_THEME';
+
+import BorderLinearProgress from './BorderLinearProgress';
+import Underline from './Underline';
+
+const StackBar: FC<StackBarProps> = (props) => {
+  const { value } = props;
+
+  const values = useMemo<Record<string, StackBarValue>>(
+    () => ('value' in value ? { default: value as StackBarValue } : value),
+    [value],
+  );
+
+  const entries = useMemo<[string, StackBarValue][]>(
+    () => Object.entries(values).reverse(),
+    [values],
+  );
+
+  const bars = useMemo<ReactElement[]>(
+    () =>
+      entries.map<ReactElement>(
+        ([id, { colour = GREY, value: val }], index) => {
+          const backgroundColor =
+            typeof colour === 'string'
+              ? colour
+              : Object.entries(colour).findLast(
+                  ([mark]) => val >= Number(mark),
+                )?.[1] ?? GREY;
+
+          let position: 'absolute' | 'relative' = 'relative';
+          let top: 0 | undefined;
+          let width: string | undefined;
+
+          if (index) {
+            position = 'absolute';
+            top = 0;
+            width = '100%';
+          }
+
+          return (
+            <BorderLinearProgress
+              key={`stack-bar-${id}`}
+              sx={{
+                position,
+                top,
+                width,
+
+                [`& .${linearProgressClasses.bar}`]: {
+                  backgroundColor,
+                },
+              }}
+              variant="determinate"
+              value={val}
+            />
+          );
+        },
+      ),
+    [entries],
+  );
+
+  return (
+    <Box position="relative">
+      {bars}
+      <Underline />
+    </Box>
+  );
+};
+
+export default StackBar;
diff --git a/striker-ui/components/Bars/Underline.tsx b/striker-ui/components/Bars/Underline.tsx
new file mode 100644
index 00000000..b2553a2a
--- /dev/null
+++ b/striker-ui/components/Bars/Underline.tsx
@@ -0,0 +1,13 @@
+import { Box, styled } from '@mui/material';
+
+import { BORDER_RADIUS, DISABLED } from '../../lib/consts/DEFAULT_THEME';
+
+const Underline = styled(Box)({
+  backgroundColor: DISABLED,
+  borderRadius: BORDER_RADIUS,
+  display: 'block',
+  height: '4px',
+  position: 'relative',
+});
+
+export default Underline;
diff --git a/striker-ui/components/Bars/index.tsx b/striker-ui/components/Bars/index.tsx
index 0863c898..d321b41e 100644
--- a/striker-ui/components/Bars/index.tsx
+++ b/striker-ui/components/Bars/index.tsx
@@ -1,4 +1,5 @@
 import AllocationBar from './AllocationBar';
 import ProgressBar from './ProgressBar';
+import StackBar from './StackBar';
 
-export { AllocationBar, ProgressBar };
+export { AllocationBar, ProgressBar, StackBar };
diff --git a/striker-ui/types/StackBar.d.ts b/striker-ui/types/StackBar.d.ts
new file mode 100644
index 00000000..b0af9b11
--- /dev/null
+++ b/striker-ui/types/StackBar.d.ts
@@ -0,0 +1,8 @@
+type StackBarValue = {
+  colour?: string | Record<number, string>;
+  value: number;
+};
+
+type StackBarProps = {
+  value: StackBarValue | Record<string, StackBarValue>;
+};