diff --git a/buildcfg.txt b/buildcfg.txt
index 3d424e74..a1522769 100644
--- a/buildcfg.txt
+++ b/buildcfg.txt
@@ -2816,3 +2816,7 @@ AQF073
 AQF074
 AQF075
 AQF076
+
+; Custom flats
+FCGRATE1
+FCGRATE2
diff --git a/flats/fcgrate1.png b/flats/fcgrate1.png
new file mode 100644
index 00000000..0b2a28d4
Binary files /dev/null and b/flats/fcgrate1.png differ
diff --git a/flats/fcgrate2.png b/flats/fcgrate2.png
new file mode 100644
index 00000000..de7cd916
Binary files /dev/null and b/flats/fcgrate2.png differ
diff --git a/lumps/textures/textures.cfg b/lumps/textures/textures.cfg
index 73313b9f..c798d572 100644
--- a/lumps/textures/textures.cfg
+++ b/lumps/textures/textures.cfg
@@ -3459,6 +3459,12 @@ GLASS2          64      96
 GLASS1          64      96
 *   GLASS1      0       0
 
+; Other custom textures:
+CEILVINE        128     128
+*   CEILVINE    0       0
+CGRATE1         128     128
+*   CGRATE1     0       0
+
 ; These textures are only in FreeDM
 
 #ifdef FREEDM
diff --git a/patches/ceilvine.png b/patches/ceilvine.png
new file mode 100644
index 00000000..e1589df7
Binary files /dev/null and b/patches/ceilvine.png differ
diff --git a/patches/cgrate1.png b/patches/cgrate1.png
new file mode 100644
index 00000000..608d52d8
Binary files /dev/null and b/patches/cgrate1.png differ