diff --git a/valve/pbr/halflife.wad/+LASER1FALL/+LASER1FALL.mat b/valve/pbr/halflife.wad/+LASER1FALL/+LASER1FALL.mat
index bc7f53f..c565012 100644
--- a/valve/pbr/halflife.wad/+LASER1FALL/+LASER1FALL.mat
+++ b/valve/pbr/halflife.wad/+LASER1FALL/+LASER1FALL.mat
@@ -1,10 +1,19 @@
+{
+"new" "generic_laser1fall"
+"base_color" "1 1 1 0.5"
+"metalness" "0.5"
+"roughness" "0.1"
+}
 
+// FIXME: change rendermode
 {
 "for" "+0LASER1FALL"
 //"basecolor_map" "+0LASER1FALL.png"
 //"normal_map" "+0LASER1FALL_normal.png"
 //"metal_map" "+0LASER1FALL_metal.png"
 //"roughness_map" "+0LASER1FALL_roughness.png"
+//"basecolor_map" "/colors/white.png"
+"inherit" "generic_laser1fall"
 }
 
 {
@@ -13,6 +22,7 @@
 //"normal_map" "+1LASER1FALL_normal.png"
 //"metal_map" "+1LASER1FALL_metal.png"
 //"roughness_map" "+1LASER1FALL_roughness.png"
+"inherit" "generic_laser1fall"
 }
 
 {
@@ -21,6 +31,7 @@
 //"normal_map" "+2LASER1FALL_normal.png"
 //"metal_map" "+2LASER1FALL_metal.png"
 //"roughness_map" "+2LASER1FALL_roughness.png"
+"inherit" "generic_laser1fall"
 }
 
 {
@@ -29,4 +40,5 @@
 //"normal_map" "+3LASER1FALL_normal.png"
 //"metal_map" "+3LASER1FALL_metal.png"
 //"roughness_map" "+3LASER1FALL_roughness.png"
+"inherit" "generic_laser1fall"
 }
diff --git a/valve/pbr/halflife.wad/-SILO2_P2/-SILO2_P2.mat b/valve/pbr/halflife.wad/-SILO2_P2/-SILO2_P2.mat
index 595d406..dce3475 100644
--- a/valve/pbr/halflife.wad/-SILO2_P2/-SILO2_P2.mat
+++ b/valve/pbr/halflife.wad/-SILO2_P2/-SILO2_P2.mat
@@ -1,3 +1,10 @@
+{
+"new" "generic_metal_silo"
+"basecolor_map" "/colors/white.png"
+"base_color" "2 2 2"
+"metalness" "0.7"
+"roughness" "0.5"
+}
 
 {
 "for" "-0SILO2_P2"
@@ -5,6 +12,7 @@
 //"normal_map" "-0SILO2_P2_normal.png"
 //"metal_map" "-0SILO2_P2_metal.png"
 //"roughness_map" "-0SILO2_P2_roughness.png"
+"inherit" "generic_metal_silo"
 }
 
 {
@@ -13,6 +21,7 @@
 //"normal_map" "-1SILO2_P2_normal.png"
 //"metal_map" "-1SILO2_P2_metal.png"
 //"roughness_map" "-1SILO2_P2_roughness.png"
+"inherit" "generic_metal_silo"
 }
 
 {
@@ -21,6 +30,7 @@
 //"normal_map" "-2SILO2_P2_normal.png"
 //"metal_map" "-2SILO2_P2_metal.png"
 //"roughness_map" "-2SILO2_P2_roughness.png"
+"inherit" "generic_metal_silo"
 }
 
 {
@@ -29,4 +39,5 @@
 //"normal_map" "-3SILO2_P2_normal.png"
 //"metal_map" "-3SILO2_P2_metal.png"
 //"roughness_map" "-3SILO2_P2_roughness.png"
+"inherit" "generic_metal_silo"
 }
diff --git a/valve/pbr/halflife.wad/halflife.mat b/valve/pbr/halflife.wad/halflife.mat
index f2e06f7..6bf8971 100644
--- a/valve/pbr/halflife.wad/halflife.mat
+++ b/valve/pbr/halflife.wad/halflife.mat
@@ -7551,9 +7551,12 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 {
 "for" "LAB1_BRD3G"
 //"basecolor_map" "LAB1_BRD3G.png"
+"base_color" "3 3 3" // hack
 //"normal_map" "LAB1_BRD3G_normal.png"
 //"metal_map" "LAB1_BRD3G_metal.png"
 //"roughness_map" "LAB1_BRD3G_roughness.png"
+"metalness" "0.8"
+"roughness" "0.4"
 }
 
 {
diff --git a/valve/pbr/maps/c1a0c.bsp/c1a0c.mat b/valve/pbr/maps/c1a0c.bsp/c1a0c.mat
index 72c837c..28331ca 100644
--- a/valve/pbr/maps/c1a0c.bsp/c1a0c.mat
+++ b/valve/pbr/maps/c1a0c.bsp/c1a0c.mat
@@ -4,4 +4,8 @@
 "basecolor_map" "/colors/white.png"
 "metalness" "0.8"
 "roughness" "0.1"
+}
+// TODO: fix smooth normal
+{
+"for" "trrm_pan1" // reset material
 }
\ No newline at end of file
diff --git a/valve/pbr/mirror.mat b/valve/pbr/mirror.mat
index dc0b15e..02c034d 100644
--- a/valve/pbr/mirror.mat
+++ b/valve/pbr/mirror.mat
@@ -30,5 +30,7 @@
 "for" "reflect1"
 "basecolor_map" "/colors/white.png"
 "metalness" "1"
+//"basecolor_map" "/colors/black.png"
+//"metalness" "0"
 "roughness" "0"
 }