diff --git a/playwright/e2e/element-examples/si-modal-service.spec.ts b/playwright/e2e/element-examples/si-modal-service.spec.ts
index 73c727c66f..6785fd4204 100644
--- a/playwright/e2e/element-examples/si-modal-service.spec.ts
+++ b/playwright/e2e/element-examples/si-modal-service.spec.ts
@@ -28,4 +28,15 @@ test.describe('si-modal-service', () => {
 
     await si.runVisualAndA11yTests('icon');
   });
+
+  test(example + ' full screen modal + toast', async ({ page, si }) => {
+    await si.visitExample(example);
+
+    await page.locator('.btn').getByText('Create full-screen modal').click();
+    await expect(page.locator('.modal-body')).toBeVisible();
+    await page.locator('.btn').getByText('Show manual close toast').click();
+    await expect(page.locator('.toast-content').first()).toBeVisible();
+
+    await si.runVisualAndA11yTests('full-screen-toast');
+  });
 });
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast-element-examples-chromium-dark-linux.png b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast-element-examples-chromium-dark-linux.png
new file mode 100644
index 0000000000..67ddc25128
--- /dev/null
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast-element-examples-chromium-dark-linux.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9847da8500fd9c6bec3d228794d691ac77fbe5a44ee35550ccb15bc6b6284e7b
+size 18400
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast-element-examples-chromium-light-linux.png b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast-element-examples-chromium-light-linux.png
new file mode 100644
index 0000000000..f2136c7bbe
--- /dev/null
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast-element-examples-chromium-light-linux.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aa51615f86b4dd3ed63964756cbd20fe5bd35301e306f43f962323e4d55fae60
+size 18492
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast.yaml b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast.yaml
new file mode 100644
index 0000000000..bdf1f90dcc
--- /dev/null
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--full-screen-toast.yaml
@@ -0,0 +1,16 @@
+- button "Create template modal"
+- button "Create large modal"
+- button "Create centered modal"
+- button "Create modal with icon"
+- button "Create full-screen modal"
+- button "Create nested modal"
+- button "Create modal with custom component"
+- text: Info
+- paragraph: Manual close toast
+- paragraph: This notification remains visible until it is closed.
+- button "Close"
+- dialog:
+  - heading "Full-screen modal" [level=4]
+  - button "Close modal": 
+  - paragraph: This full-screen modal can trigger a toast notification.
+  - button "Show manual close toast"
\ No newline at end of file
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-dark-linux.png b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-dark-linux.png
index 266f9522cf..d879ad4257 100644
--- a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-dark-linux.png
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-dark-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a96d1989ce0a5740935d5b4c58a4c3db9c5a80b079884a6647ad4d2dbc7f708e
-size 16429
+oid sha256:f49f9322af20b843d803c95be302a105555ac58b5b0d82526da2f8ac25c1beff
+size 16066
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-light-linux.png b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-light-linux.png
index 4190f44d66..3459373b81 100644
--- a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-light-linux.png
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service--icon-element-examples-chromium-light-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0ec17f2af0fbee1188b2d35c08dfe96481531eed942c607128c398c4009bbb89
-size 18958
+oid sha256:992cf334978ece8beb9f76d92cac203f339fa484ee45fa1c00e1937588e4570c
+size 18628
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-dark-linux.png b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-dark-linux.png
index f36cde3ddb..7946020d0f 100644
--- a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-dark-linux.png
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-dark-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0bb7a2095be52a00ee30c36a0806567961f3c8e182c18588e02db5f70aa1ea8f
-size 16490
+oid sha256:98db3a69a37195126448da4cb102484670a6f94a457c95d16187360dcfe2732d
+size 16081
diff --git a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-light-linux.png b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-light-linux.png
index 1cedea6113..eb1568b6c5 100644
--- a/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-light-linux.png
+++ b/playwright/snapshots/si-modal-service.spec.ts-snapshots/si-modals--si-modal-service-element-examples-chromium-light-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e31c049b39f13c9f5b0a3b34ef5887a9e8c519a687bd9f67838bc17f67d7b564
-size 18854
+oid sha256:61af5db5cbc0db1f0d598d30badd0b40a5fa54178b1d61c07c07d33c015a3ce7
+size 18528
diff --git a/playwright/snapshots/si-tour.spec.ts-snapshots/si-tour--si-tour--open-menu-element-examples-chromium-light-linux.png b/playwright/snapshots/si-tour.spec.ts-snapshots/si-tour--si-tour--open-menu-element-examples-chromium-light-linux.png
index d8e71c308c..1961414de7 100644
--- a/playwright/snapshots/si-tour.spec.ts-snapshots/si-tour--si-tour--open-menu-element-examples-chromium-light-linux.png
+++ b/playwright/snapshots/si-tour.spec.ts-snapshots/si-tour--si-tour--open-menu-element-examples-chromium-light-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b6df702d204f46c4351e03488054e2c7faf91b339b48fdaa3db27e9b462eae1e
-size 47905
+oid sha256:20ca009dea9fede6195c0fb34b1919a48113cfeb7edc704398ff3e967a423713
+size 47690
diff --git a/projects/element-ng/toast-notification/si-toast-notification.service.ts b/projects/element-ng/toast-notification/si-toast-notification.service.ts
index 02d47cc7dc..7c2c2d9435 100644
--- a/projects/element-ng/toast-notification/si-toast-notification.service.ts
+++ b/projects/element-ng/toast-notification/si-toast-notification.service.ts
@@ -110,6 +110,17 @@ export class SiToastNotificationService implements OnDestroy {
       );
     }
 
+    // when using popover API, brings toast to top layer
+    const host = this.overlayRef?.hostElement;
+    if (host?.getAttribute('popover')) {
+      try {
+        host.hidePopover();
+        host.showPopover();
+      } catch {
+        // ignored
+      }
+    }
+
     return toast;
   }
 
diff --git a/projects/element-ng/tour/si-tour.service.ts b/projects/element-ng/tour/si-tour.service.ts
index 602dae4e11..869ed8b400 100644
--- a/projects/element-ng/tour/si-tour.service.ts
+++ b/projects/element-ng/tour/si-tour.service.ts
@@ -238,6 +238,17 @@ export class SiTourService {
       // component for each step
       this.outsideClickDispatcher.remove(this.overlayRef);
       this.outsideClickDispatcher.add(this.overlayRef);
+
+      // when using popover API, brings tour to top layer
+      const host = this.overlayRef?.hostElement;
+      if (host?.getAttribute('popover')) {
+        try {
+          host.hidePopover();
+          host.showPopover();
+        } catch {
+          // ignored
+        }
+      }
       return;
     }
 
diff --git a/src/app/examples/si-modals/si-modal-service.html b/src/app/examples/si-modals/si-modal-service.html
index 4d0e1508bf..bac85c65be 100644
--- a/src/app/examples/si-modals/si-modal-service.html
+++ b/src/app/examples/si-modals/si-modal-service.html
@@ -14,6 +14,12 @@
   <button type="button" class="btn btn-secondary" (click)="openModal(iconTemplate)"
     >Create modal with icon</button
   >
+  <button
+    type="button"
+    class="btn btn-secondary"
+    (click)="openModal(fullscreenTemplate, 'modal-fullscreen')"
+    >Create full-screen modal</button
+  >
   <button
     type="button"
     class="btn btn-secondary"
@@ -44,6 +50,25 @@ <h4 class="modal-title" id="sample-modal-title">Modal</h4>
   </div>
 </ng-template>
 
+<ng-template #fullscreenTemplate let-modalRef="modalRef">
+  <div class="modal-header">
+    <h4 class="modal-title" id="sample-modal-title">Full-screen modal</h4>
+    <button
+      type="button"
+      class="btn btn-circle btn-tertiary-ghost element-cancel"
+      aria-label="Close modal"
+      (click)="modalRef.hide('cancel')"
+    >
+    </button>
+  </div>
+  <div class="modal-body">
+    <p>This full-screen modal can trigger a toast notification.</p>
+    <button type="button" class="btn btn-secondary" (click)="showManualCloseToast()"
+      >Show manual close toast</button
+    >
+  </div>
+</ng-template>
+
 <ng-template #nestedTemplate let-parentModalRef="modalRef" let-thing="someThing">
   <div class="modal-header">
     <h4 class="modal-title" id="sample-modal-title-parent">Modal</h4>
diff --git a/src/app/examples/si-modals/si-modal-service.ts b/src/app/examples/si-modals/si-modal-service.ts
index 1794946e93..74632c6901 100644
--- a/src/app/examples/si-modals/si-modal-service.ts
+++ b/src/app/examples/si-modals/si-modal-service.ts
@@ -5,6 +5,7 @@
 import { Component, inject, Injector, OnDestroy, TemplateRef } from '@angular/core';
 import { SiStatusIconComponent } from '@siemens/element-ng/icon';
 import { ModalRef, SiModalService } from '@siemens/element-ng/modal';
+import { SiToastNotificationService } from '@siemens/element-ng/toast-notification';
 import { LOG_EVENT } from '@siemens/live-preview';
 
 import { AppTableComponent } from './app-table.component';
@@ -21,6 +22,7 @@ export class SampleComponent implements OnDestroy {
 
   private logEvent = inject(LOG_EVENT);
   private modalService = inject(SiModalService);
+  private toastNotificationService = inject(SiToastNotificationService);
   private injector = inject(Injector);
 
   ngOnDestroy(): void {
@@ -73,4 +75,13 @@ export class SampleComponent implements OnDestroy {
       injector: this.injector
     });
   }
+
+  showManualCloseToast(): void {
+    this.toastNotificationService.showToastNotification({
+      state: 'info',
+      title: 'Manual close toast',
+      message: 'This notification remains visible until it is closed.',
+      disableAutoClose: true
+    });
+  }
 }