diff --git a/valve/pbr/halflife.wad/-[C1A0_LAB]/-[C1A0_LAB].mat b/valve/pbr/halflife.wad/-[C1A0_LAB]/-[C1A0_LAB].mat
index cf3e3b3..8f8d6c8 100644
--- a/valve/pbr/halflife.wad/-[C1A0_LAB]/-[C1A0_LAB].mat
+++ b/valve/pbr/halflife.wad/-[C1A0_LAB]/-[C1A0_LAB].mat
@@ -35,11 +35,11 @@
 "for" "C1A0_LABFLRE"
 //"force_reload" "1"
 "basecolor_map" "C1A0_LABFLRE.png"
-"normal_map" "C1A0_LABFLRE_normal.png"
+"normal_map" "C1A0_LABFLRE_normal.png" // FIXME: better normalmap texture
 //"metal_map" "C1A0_LABFLRE_metal.png"
 //"roughness_map" "C1A0_LABFLRE_roughness.png"
 "metalness" "0"
-"roughness" "0.4"
+"roughness" "0.5"
 }
 
 {
diff --git a/valve/pbr/halflife.wad/-[LAB1_DOOR]/-[LAB1_DOOR].mat b/valve/pbr/halflife.wad/-[LAB1_DOOR]/-[LAB1_DOOR].mat
index df412d0..f848790 100644
--- a/valve/pbr/halflife.wad/-[LAB1_DOOR]/-[LAB1_DOOR].mat
+++ b/valve/pbr/halflife.wad/-[LAB1_DOOR]/-[LAB1_DOOR].mat
@@ -36,10 +36,10 @@
 //"basecolor_map" "LAB1_DOOR2A.png"
 "basecolor_map" "LAB1_DOOR2A.png"
 "normal_map" "LAB1_DOOR2A_normal.png" // by MAX3D // TODO: better normal map
-"metal_map" "LAB1_DOOR2A_metal.png"
+//"metal_map" "LAB1_DOOR2A_metal.png" // FIXME: replace metal texture
 "roughness_map" "LAB1_DOOR2A_roughness.png"
 "base_color" "0.75 0.75 0.75"
-//"metalness" "1"
+"metalness" "1"
 //"roughness" "0.3"
 }
 
@@ -52,8 +52,9 @@
 //"roughness_map" "LAB1_DOOR2B_roughness.png"
 
 "normal_map" "LAB1_DOOR2A_normal.png"
-"metal_map" "LAB1_DOOR2A_metal.png"
+//"metal_map" "LAB1_DOOR2A_metal.png" // FIXME: replace metal texture
 "roughness_map" "/colors/gray.png"
+"metalness" "1" // FIXME
 }
 
 {
diff --git a/valve/pbr/halflife.wad/-[~LIGHT]/+~FIFTIES_LGT2/+~FIFTIES_LGT2.mat b/valve/pbr/halflife.wad/-[~LIGHT]/+~FIFTIES_LGT2/+~FIFTIES_LGT2.mat
index 7d3a9a9..13c544e 100644
--- a/valve/pbr/halflife.wad/-[~LIGHT]/+~FIFTIES_LGT2/+~FIFTIES_LGT2.mat
+++ b/valve/pbr/halflife.wad/-[~LIGHT]/+~FIFTIES_LGT2/+~FIFTIES_LGT2.mat
@@ -14,6 +14,7 @@
 {
 "for" "+A~FIFTIES_LGT2"
 //"basecolor_map" "+A~FIFTIES_LGT2.png"
+"basecolor_map" "+0~FIFTIES_LGT2.png"
 //"normal_map" "+A~FIFTIES_LGT2_normal.png"
 //"metal_map" "+A~FIFTIES_LGT2_metal.png"
 //"roughness_map" "+A~FIFTIES_LGT2_roughness.png"
diff --git a/valve/pbr/halflife.wad/halflife.mat b/valve/pbr/halflife.wad/halflife.mat
index 702812e..89a986f 100644
--- a/valve/pbr/halflife.wad/halflife.mat
+++ b/valve/pbr/halflife.wad/halflife.mat
@@ -1051,8 +1051,9 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 "normal_map" "C1A1_FLR2C_normal.png"
 //"metal_map" "C1A1_FLR2C_metal.png"
 //"roughness_map" "C1A1_FLR2C_roughness.png"
+//"normal_scale" "0.5"
 "metalness" "0"
-"roughness" "0.35"
+"roughness" "0.55"
 }
 
 {
@@ -3761,7 +3762,8 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 //"roughness_map" "CRETE2_FLR03_roughness.png"
 //"metal_map" "/colors/white.png"
 //"roughness_map" "/colors/ddd.png"
-"metalness" "0.7"
+//"metalness" "0.7"
+"metalness" "1"
 "roughness" "0.5"
 }
 
@@ -6159,11 +6161,11 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 {
 "for" "GENERIC015V2"
 "basecolor_map" "GENERIC015V2.png"
-"base_color" "1.5 1.5 1.5"
+"base_color" "2.5 2.5 2.5"
 "normal_map" "GENERIC015V2_normal.png"
 //"metal_map" "GENERIC015V2_metal.png"
 "roughness_map" "GENERIC015V2_roughness.png"
-"metalness" "0.5"
+"metalness" "0.95"
 //"roughness" "0.5"
 }
 
@@ -12791,8 +12793,8 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 "normal_map" "{GRATESTEP2_normal.png"
 //"metal_map" "{GRATESTEP2_metal.png"
 "roughness_map" "{GRATESTEP2_roughness.png"
-"metalness" "0.7"
-"roughness" "0.6"
+"metalness" "0.95"
+"roughness" "0.8"
 "normal_scale" "0.4"
 }
 
diff --git a/valve/pbr/models/v_gauss.mdl/v_gauss.mat b/valve/pbr/models/v_gauss.mdl/v_gauss.mat
index 9e24d4c..325a425 100644
--- a/valve/pbr/models/v_gauss.mdl/v_gauss.mat
+++ b/valve/pbr/models/v_gauss.mdl/v_gauss.mat
@@ -5,12 +5,12 @@
 //"basecolor_map" "/colors/copper_hack.png"
 //"base_color" "1.0 0.6 0.5"
 "basecolor_map" "/colors/white.png"
-"base_color" "1.0 0.45 0.2"
+"base_color" "1.0 0.25 0.0"
 //"normal_map" "barrelCHROME_normal.png"
 //"metal_map" "barrelCHROME_metal.png"
 //"roughness_map" "barrelCHROME_roughness.png"
 "metalness" "1"
-"roughness" "0.3"
+"roughness" "0.2"
 }
 
 {
diff --git a/valve/pbr/models/v_grenade.mdl/v_grenade.mat b/valve/pbr/models/v_grenade.mdl/v_grenade.mat
index 09c156d..2a82192 100644
--- a/valve/pbr/models/v_grenade.mdl/v_grenade.mat
+++ b/valve/pbr/models/v_grenade.mdl/v_grenade.mat
@@ -17,14 +17,15 @@
 
 {
 "for" "#models/v_grenade/grenade3.mdl"
-"force_reload" "1"
+//"force_reload" "1"
 "basecolor_map" "grenade3.png"
 //"basecolor_map" "/colors/white.png"
 "normal_map" "grenade3_normal.png"
 //"normal_map" "/colors/black.png"
 //"metal_map" "grenade3_metal.png"
 //"roughness_map" "grenade3_roughness.png"
-"metalness" "0.3"
+//"metalness" "0.3"
+//"metalness" "0.05"
 "roughness" "0.4"
 //"metalness" "1"
 //"roughness" "0"