diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index b0339fb..d0b957a 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -70,7 +70,7 @@ jobs:
         docker exec -t test bundle update
         docker exec -t test bundle exec rake
         docker kill test
-  test_380x:
+  test_390x:
     runs-on: ubuntu-22.04
     steps:
     - name: Check out repository
@@ -79,14 +79,14 @@ jobs:
       run: |
         echo $(pwd)
         echo $(ls)
-        docker pull nrel/openstudio:3.8.0
-        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.8.0
+        docker pull nrel/openstudio:3.9.0
+        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.9.0
         docker exec -t test pwd
         docker exec -t test ls
         docker exec -t test bundle update
         docker exec -t test bundle exec rake
         docker kill test
-  test_390x:
+  test_310x:
     runs-on: ubuntu-22.04
     steps:
     - name: Check out repository
@@ -95,14 +95,14 @@ jobs:
       run: |
         echo $(pwd)
         echo $(ls)
-        docker pull nrel/openstudio:3.9.0
-        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.9.0
+        docker pull nrel/openstudio:3.10.0
+        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.10.0
         docker exec -t test pwd
         docker exec -t test ls
         docker exec -t test bundle update
         docker exec -t test bundle exec rake
         docker kill test
-  test_3100x:
+  test_311x:
     runs-on: ubuntu-22.04
     steps:
     - name: Check out repository
@@ -111,8 +111,8 @@ jobs:
       run: |
         echo $(pwd)
         echo $(ls)
-        docker pull nrel/openstudio:3.10.0
-        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.10.0
+        docker pull nrel/openstudio:3.11.0
+        docker run --name test --rm -d -t -v $(pwd):/work -w /work nrel/openstudio:3.11.0
         docker exec -t test pwd
         docker exec -t test ls
         docker exec -t test bundle update
diff --git a/lib/osut/utils.rb b/lib/osut/utils.rb
index 09bb951..2e96f59 100644
--- a/lib/osut/utils.rb
+++ b/lib/osut/utils.rb
@@ -4825,7 +4825,7 @@ def spaceWidth(space = nil)
       end
     end
 
-    res = realignedFace(polyg.to_a.reverse)
+    res = realignedFace(polyg.to_a.reverse, true)
     return 0 if res[:box].nil?
 
     # A bounded box's 'height', at its narrowest, is its 'width'.
@@ -4904,7 +4904,7 @@ def genAnchors(s = nil, set = [], tag = :box)
       # to 'genAnchors'), it inherits key :out - a Hash holding (among others) a
       # 'realigned' set of points (by default a 'realigned' :box). The latter is
       # typically generated from an outdoor-facing roof (e.g. when called from
-      # 'lights'). Subsequent calls to 'genAnchors' may send (as first
+      # 'addSkylights'). Subsequent calls to 'genAnchors' may send (as first
       # argument) a corresponding ceiling tile below (also from 'addSkylights').
       # Roof vs ceiling may neither share alignment transformation nor space
       # site transformation identities. All subsequent calls to 'genAnchors'
diff --git a/lib/osut/version.rb b/lib/osut/version.rb
index 2c1149c..ae7c89d 100644
--- a/lib/osut/version.rb
+++ b/lib/osut/version.rb
@@ -29,5 +29,5 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 module OSut
-  VERSION = "0.8.1".freeze
+  VERSION = "0.8.2".freeze
 end
diff --git a/spec/osut_tests_spec.rb b/spec/osut_tests_spec.rb
index 8d4a243..eb1c24a 100644
--- a/spec/osut_tests_spec.rb
+++ b/spec/osut_tests_spec.rb
@@ -5783,6 +5783,33 @@ module M
     expect(mod1.level).to eq(DBG)
     expect(mod1.clean!).to eq(DBG)
 
+    # Basic test: 'deep' space (vs X-axis).
+    vtx  = OpenStudio::Point3dVector.new
+    vtx << OpenStudio::Point3d.new(2,9,1)
+    vtx << OpenStudio::Point3d.new(2,1,1)
+    vtx << OpenStudio::Point3d.new(1,1,1)
+    vtx << OpenStudio::Point3d.new(1,9,1)
+
+    model = OpenStudio::Model::Model.new
+    space = OpenStudio::Model::Space.new(model)
+    floor = OpenStudio::Model::Surface.new(vtx, model)
+    floor.setSpace(space)
+    expect(mod1.spaceWidth(space).round(2)).to eq(1)
+
+    vtx  = OpenStudio::Point3dVector.new
+    vtx << OpenStudio::Point3d.new(9,2,1)
+    vtx << OpenStudio::Point3d.new(9,1,1)
+    vtx << OpenStudio::Point3d.new(1,1,1)
+    vtx << OpenStudio::Point3d.new(1,2,1)
+
+    # Basic test: 'narrow' space (vs X-axis).
+    model = OpenStudio::Model::Model.new
+    space = OpenStudio::Model::Space.new(model)
+    floor = OpenStudio::Model::Surface.new(vtx, model)
+    floor.setSpace(space)
+    expect(mod1.spaceWidth(space).round(2)).to eq(1)
+
+    # --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- #
     file  = File.join(__dir__, "files/osms/in/warehouse.osm")
     path  = OpenStudio::Path.new(file)
     model = translator.loadModel(path)