diff --git a/perpendicular-flap/metadata.yaml b/perpendicular-flap/metadata.yaml
index 6aebd8fad..e0b06f17d 100644
--- a/perpendicular-flap/metadata.yaml
+++ b/perpendicular-flap/metadata.yaml
@@ -73,8 +73,8 @@ cases:
     run: ./run.sh
     component: openfoam-adapter
   
-  # solid-solids4foam:
-  #   participant: Solid
-  #   directory: ./solid-solids4foam
-  #   run: ./run.sh
-  #   component: openfoam-adapter
+  solid-solids4foam:
+    participant: Solid
+    directory: ./solid-solids4foam
+    run: ./run.sh
+    component: solids4foam
diff --git a/perpendicular-flap/reference-results/fluid-openfoam_solid-solids4foam.tar.gz b/perpendicular-flap/reference-results/fluid-openfoam_solid-solids4foam.tar.gz
new file mode 100644
index 000000000..1f60848fd
--- /dev/null
+++ b/perpendicular-flap/reference-results/fluid-openfoam_solid-solids4foam.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29e4d0f83bc001b8ccd6eecda3b77f5b6a9b8b1c1dd36b42bbb0ae055181db6c
+size 23231
diff --git a/perpendicular-flap/reference-results/reference_results.metadata b/perpendicular-flap/reference-results/reference_results.metadata
index 50e165dc1..5e1addbd8 100644
--- a/perpendicular-flap/reference-results/reference_results.metadata
+++ b/perpendicular-flap/reference-results/reference_results.metadata
@@ -11,7 +11,7 @@ We also include some information on the machine used to generate them
 
 | name | time | sha256 |
 |------|------|-------|
-| fluid-openfoam_solid-dune.tar.gz | 2026-07-08 13:13:57 | 06408d6dac453863c981a733defbe3bc807f1bc2fb15d04f2551060dd010692b |
+| fluid-openfoam_solid-solids4foam.tar.gz | 2026-07-10 18:05:57 | 29e4d0f83bc001b8ccd6eecda3b77f5b6a9b8b1c1dd36b42bbb0ae055181db6c |
 
 ## List of arguments used to generate the files
 
@@ -19,8 +19,9 @@ We also include some information on the machine used to generate them
 |------|------|
 | PLATFORM | ubuntu_2404 |
 | CALCULIX_VERSION | 2.20 |
-| DUNE_VERSION | 2.9 |
 | DUMUX_VERSION | 3.7 |
+| DUNE_VERSION_DUMUX | 2.9 |
+| DUNE_VERSION_DUNE | 2.9 |
 | OPENFOAM_EXECUTABLE | openfoam2512 |
 | SU2_VERSION | 7.5.1 |
 | FENICS_ADAPTER_REF | v2.3.0 |
@@ -28,13 +29,14 @@ We also include some information on the machine used to generate them
 | FMI_RUNNER_REF | v0.2.1 |
 | CALCULIX_ADAPTER_REF | v2.20.1 |
 | DEALII_ADAPTER_REF | a421d92 |
+| DUNE_ADAPTER_REF | 778d3bb |
 | DUMUX_ADAPTER_REF | 3f3f54f |
 | MICRO_MANAGER_REF | bf5ea7b |
 | OPENFOAM_ADAPTER_REF | 2c3062c |
 | PRECICE_REF | b770460f2447b94da430086085d6b424e7c073e9 |
 | PYTHON_BINDINGS_REF | v3.4.0 |
 | SU2_ADAPTER_REF | 5abe79b |
-| TUTORIALS_REF | 54cd04a8e5aa8f4efdce53785d298c115e7e287a |
+| TUTORIALS_REF | d7b5ca1cd4219d42441c5b3266d741dcf70e706e |
 | PRECICE_PRESET | production-audit |
 | PRECICE_UID | 1003 |
 | PRECICE_GID | 1003 |
diff --git a/perpendicular-flap/solid-solids4foam/system/fvSchemes b/perpendicular-flap/solid-solids4foam/system/fvSchemes
index 87d288970..842fba231 100644
--- a/perpendicular-flap/solid-solids4foam/system/fvSchemes
+++ b/perpendicular-flap/solid-solids4foam/system/fvSchemes
@@ -18,7 +18,7 @@ ddtSchemes
 
 gradSchemes
 {
-    default            extendedLeastSquares 0;
+    default            leastSquaresS4f 0;
 }
 
 divSchemes
@@ -46,6 +46,6 @@ interpolationSchemes
     interpolate(impK)  linear;
     interpolate(grad(D)) linear;
     interpolate(grad(DD)) linear;
-    interpolate(sigma0) linear;
+    interpolate(sigma) linear;
 }
 
diff --git a/tools/tests/component-templates/solids4foam.yaml b/tools/tests/component-templates/solids4foam.yaml
new file mode 100644
index 000000000..23ed3920d
--- /dev/null
+++ b/tools/tests/component-templates/solids4foam.yaml
@@ -0,0 +1,16 @@
+build: 
+  context: {{ dockerfile_context }}
+  args:
+    {% for key, value in build_arguments.items() %}
+      - {{key}}={{value}}
+    {% endfor %}
+  target: solids4foam
+depends_on:    
+  prepare:
+    condition: service_completed_successfully
+volumes:
+  - {{ run_directory }}:/runs
+command: >
+  /bin/bash -c "id && 
+  cd '/runs/{{ tutorial_folder }}/{{ case_folder }}' &&
+  openfoam {{ run }} | tee system-tests_{{ case_folder }}.log 2>&1"
diff --git a/tools/tests/components.yaml b/tools/tests/components.yaml
index 38e73b0c7..658b1d826 100644
--- a/tools/tests/components.yaml
+++ b/tools/tests/components.yaml
@@ -90,6 +90,22 @@ dune-adapter:
       repository: https://github.com/precice/dune-adapter
       default: "main"
 
+
+solids4foam:
+  repository: https://github.com/solids4foam/solids4foam
+  template: component-templates/solids4foam.yaml
+  build_arguments:
+    PLATFORM:
+      description: Dockerfile platform used
+      default: "ubuntu_2404"
+      # The name "PLATFORM" is misleading: For this component, we use a different base image.
+    TUTORIALS_REF:
+      description: Tutorial git reference to use
+      default: "master"
+    OPENFOAM_ADAPTER_REF:
+      description: Reference/tag of the OpenFOAM adapter to use
+      default: "master"
+
 fenics-adapter:
   template: component-templates/fenics-adapter.yaml
   build_arguments:
diff --git a/tools/tests/dockerfiles/ubuntu_2404/Dockerfile b/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
index 1da2ef2a7..4a5ed8b6e 100644
--- a/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
+++ b/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
@@ -560,4 +560,63 @@ RUN cd /home/precice/aste && \
     make all install -j $(nproc) && \
     cd ../.. && rm -rf aste
 
-WORKDIR /home/precice
\ No newline at end of file
+WORKDIR /home/precice
+
+
+FROM solids4foam/solids4foam:v2.3-openfoam-v2412-latest as solids4foam
+
+ARG PRECICE_UID=1000
+ARG PRECICE_GID=1000
+ARG OPENFOAM_ADAPTER_PR
+ARG OPENFOAM_ADAPTER_REF
+
+USER root
+SHELL ["/bin/bash", "-c"]
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Set the same user as the rest of the system tests components, for consistency.
+RUN set -eux; \
+    if getent group "${PRECICE_GID}" >/dev/null; then \
+        existing_group="$(getent group "${PRECICE_GID}" | cut -d: -f1)"; \
+        if [ "${existing_group}" != "precice" ]; then \
+            groupmod -n precice "${existing_group}"; \
+        fi; \
+    else \
+        groupadd -g "${PRECICE_GID}" precice; \
+    fi; \
+    if getent passwd "${PRECICE_UID}" >/dev/null; then \
+        existing_user="$(getent passwd "${PRECICE_UID}" | cut -d: -f1)"; \
+        if [ "${existing_user}" != "precice" ]; then \
+            usermod -l precice -d /home/precice -m "${existing_user}"; \
+        fi; \
+        usermod -g "${PRECICE_GID}" precice; \
+    else \
+        useradd -u "${PRECICE_UID}" -g "${PRECICE_GID}" -ms /bin/bash precice; \
+    fi; \
+    mkdir -p /home/precice; \
+    chown -R "${PRECICE_UID}:${PRECICE_GID}" /home/precice
+
+# The base image provides all binaries under /root/, but we prefer to build as a regular user.
+RUN mv /root/OpenFOAM/ /home/precice/OpenFOAM/ && \
+    chown -R "${PRECICE_UID}:${PRECICE_GID}" /home/precice/OpenFOAM
+
+# Set a general openfoam executable, to make the component template version-independent
+RUN ln -sf /usr/bin/openfoam2412 /usr/bin/openfoam
+
+RUN apt-get -qq update && \
+    apt-get -qq -y install wget git
+
+# preCICE v3.4 was the last release to support Ubuntu 22.04 (used as a base image),
+# so there is no reason to accept the preCICE version as an argument and build it from source.
+# Rework this part once a newer base image is used.
+RUN  wget https://github.com/precice/precice/releases/download/v3.4.1/libprecice3_3.4.1_jammy.deb && \
+     apt-get -qq -y install ./libprecice3_3.4.1_jammy.deb
+
+USER precice
+WORKDIR /home/precice
+
+RUN git clone https://github.com/precice/openfoam-adapter.git &&\
+    cd openfoam-adapter && \
+    if [ -n "${OPENFOAM_ADAPTER_PR}" ]; then git fetch origin pull/${OPENFOAM_ADAPTER_PR}/head; fi && \
+    git checkout ${OPENFOAM_ADAPTER_REF} && \
+    /usr/bin/openfoam2412 ./Allwmake -j $(nproc)
\ No newline at end of file
diff --git a/tools/tests/tests.yaml b/tools/tests/tests.yaml
index 65e6246a6..23820780a 100644
--- a/tools/tests/tests.yaml
+++ b/tools/tests/tests.yaml
@@ -505,6 +505,13 @@ test_suites:
           - solid-openfoam
         max_time: 0.03
         reference_result: ./perpendicular-flap/reference-results/fluid-openfoam_solid-openfoam.tar.gz
+      - &perpendicular-flap_fluid-openfoam_solid-solids4foam
+        path: perpendicular-flap
+        case_combination:
+          - fluid-openfoam
+          - solid-solids4foam
+        max_time: 0.1
+        reference_result: ./perpendicular-flap/reference-results/fluid-openfoam_solid-solids4foam.tar.gz
       - &perpendicular-flap_fluid-su2_solid-fenics
         path: perpendicular-flap
         case_combination:
@@ -882,6 +889,10 @@ test_suites:
       - *partitioned-heat-conduction-mixedbc_left-openfoam_right-openfoam
       - *partitioned-heat-conduction-robin_left-openfoam_right-openfoam
 
+  solids4foam:
+    tutorials:
+      - *perpendicular-flap_fluid-openfoam_solid-solids4foam
+
   su2-adapter:
     tutorials:
       - *flow-over-heated-plate_fluid-su2_solid-openfoam