diff --git a/bcl.py b/bcl.py
index 1a7f1e8..65b661f 100755
--- a/bcl.py
+++ b/bcl.py
@@ -139,6 +139,27 @@ def make_product(opts: BclOpts, product: str):
             file_pattern_recursive = '%s/**/%s' % (install_dir, file_pattern)
             [rm_rf(x) for x in glob.iglob(file_pattern_recursive, recursive=True)]
 
+    # WebAssembly.Framework.sln
+    if product == 'wasm':
+        wasm_fx_output_dir = '%s/sdks/wasm/framework/netstandard2.0' % opts.mono_source_root
+        wasm_fx_sln_file = '%s/sdks/wasm/framework/src/WebAssembly.Framework.sln' % opts.mono_source_root
+        output_dir = path_join(install_dir, 'wasm')
+
+        from msbuild_helper import build_solution
+        build_solution(wasm_fx_sln_file, 'Release')
+
+        import shutil
+        from glob import glob
+
+        fglob = glob(path_join(wasm_fx_output_dir, '*.dll'))
+
+        if not opts.remove_pdb:
+            fglob.extend(glob(path_join(wasm_fx_output_dir, '*.pdb')))
+
+        for file in fglob:
+            if os.path.isfile(file):
+                shutil.copy(file, output_dir)
+
     # godot_android_ext profile (custom 'Mono.Android.dll')
     if product == 'android':
         this_script_dir = os.path.dirname(os.path.realpath(__file__))
diff --git a/msbuild_helper.py b/msbuild_helper.py
new file mode 100644
index 0000000..90b736f
--- /dev/null
+++ b/msbuild_helper.py
@@ -0,0 +1,61 @@
+import os
+
+from os_utils import *
+
+
+def find_dotnet_cli():
+    import os.path
+
+    for hint_dir in os.environ["PATH"].split(os.pathsep):
+        hint_dir = hint_dir.strip('"')
+        hint_path = os.path.join(hint_dir, "dotnet")
+        if os.path.isfile(hint_path) and os.access(hint_path, os.X_OK):
+            return hint_path
+
+
+def find_msbuild():
+    import os.path
+    import sys
+
+    hint_dirs = []
+    if sys.platform == "darwin":
+        hint_dirs[:0] = [
+            "/Library/Frameworks/Mono.framework/Versions/Current/bin",
+            "/usr/local/var/homebrew/linked/mono/bin",
+        ]
+
+    for hint_dir in hint_dirs:
+        hint_path = os.path.join(hint_dir, "msbuild")
+        if os.path.isfile(hint_path):
+            return hint_path
+
+    for hint_dir in os.environ["PATH"].split(os.pathsep):
+        hint_dir = hint_dir.strip('"')
+        hint_path = os.path.join(hint_dir, "msbuild")
+        if os.path.isfile(hint_path) and os.access(hint_path, os.X_OK):
+            return hint_path
+
+    return None
+
+
+def build_solution(solution_path, build_config, extra_msbuild_args=[]):
+    msbuild_args = []
+
+    dotnet_cli = find_dotnet_cli()
+
+    if dotnet_cli:
+        msbuild_path = dotnet_cli
+        msbuild_args += ["msbuild"]  # `dotnet msbuild` command
+    else:
+        msbuild_path = find_msbuild()
+        if msbuild_path is None:
+            raise BuildError("Cannot find MSBuild executable")
+
+    print("MSBuild path: " + msbuild_path)
+
+    # Build solution
+
+    msbuild_args += [solution_path, "/restore", "/t:Build", "/p:Configuration=" + build_config]
+    msbuild_args += extra_msbuild_args
+
+    run_command(msbuild_path, msbuild_args, name="msbuild")