diff --git a/code/__DEFINES/materials.dm b/code/__DEFINES/materials.dm
index 11f16d9ecb8..cfb9fff8b44 100644
--- a/code/__DEFINES/materials.dm
+++ b/code/__DEFINES/materials.dm
@@ -4,6 +4,9 @@
 /// Hard materials, such as iron or metal
 #define MAT_CATEGORY_RIGID "rigid material"
 
+///Use this flag on TRUE if you want the basic recipes
+#define MAT_CATEGORY_BASE_RECIPES "basic recipes"
+
 /// Flag for atoms, this flag ensures it isn't re-colored by materials. Useful for snowflake icons such as default toolboxes.
 #define MATERIAL_COLOR (1<<0)
 #define MATERIAL_ADD_PREFIX (1<<1)
diff --git a/code/datums/components/hot_ice.dm b/code/datums/components/hot_ice.dm
index 0ccb935f761..9c0c4730df5 100644
--- a/code/datums/components/hot_ice.dm
+++ b/code/datums/components/hot_ice.dm
@@ -12,7 +12,7 @@
 	RegisterSignal(parent, COMSIG_PARENT_ATTACKBY, .proc/attackby_react)
 	RegisterSignal(parent, COMSIG_ATOM_FIRE_ACT, .proc/flame_react)
 
-/datum/component/thermite/UnregisterFromParent()
+/datum/component/hot_ice/UnregisterFromParent()
 	UnregisterSignal(parent, COMSIG_PARENT_ATTACKBY)
 	UnregisterSignal(parent, COMSIG_ATOM_FIRE_ACT)
 
@@ -28,7 +28,7 @@
 		qdel(parent)
 
 /datum/component/hot_ice/proc/flame_react(datum/source, exposed_temperature, exposed_volume)
-	if(exposed_temperature > 300)
+	if(exposed_temperature > T0C + 100)
 		hot_ice_melt()
 
 /datum/component/hot_ice/proc/attackby_react(datum/source, obj/item/thing, mob/user, params)
diff --git a/code/datums/materials/basemats.dm b/code/datums/materials/basemats.dm
index cdb88460a56..1399f63d778 100644
--- a/code/datums/materials/basemats.dm
+++ b/code/datums/materials/basemats.dm
@@ -4,7 +4,7 @@
 	id = "iron"
 	desc = "Common iron ore often found in sedimentary and igneous layers of the crust."
 	color = "#878687"
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/metal
 	value_per_unit = 0.0025
 
@@ -15,7 +15,7 @@
 	desc = "Glass forged by melting sand."
 	color = "#88cdf1"
 	alpha = 150
-	categories = list(MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	integrity_modifier = 0.1
 	sheet_type = /obj/item/stack/sheet/glass
 	value_per_unit = 0.0025
@@ -33,7 +33,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	id = "silver"
 	desc = "Silver"
 	color = list(255/255, 284/255, 302/255,0, 0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,0,0)
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/silver
 	value_per_unit = 0.025
 	beauty_modifier = 0.075
@@ -45,7 +45,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	desc = "Gold"
 	color = list(340/255, 240/255, 50/255,0, 0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,0,0) //gold is shiny, but not as bright as bananium
 	strength_modifier = 1.2
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/gold
 	value_per_unit = 0.0625
 	beauty_modifier = 0.15
@@ -57,7 +57,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	id = "diamond"
 	desc = "Highly pressurized carbon"
 	color = list(48/255, 272/255, 301/255,0, 0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,0,0)
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/diamond
 	alpha = 132
 	value_per_unit = 0.25
@@ -70,7 +70,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	id = "uranium"
 	desc = "Uranium"
 	color = rgb(48, 237, 26)
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/uranium
 	value_per_unit = 0.05
 	beauty_modifier = 0.3 //It shines so beautiful
@@ -90,7 +90,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	id = "plasma"
 	desc = "Isn't plasma a state of matter? Oh whatever."
 	color = list(298/255, 46/255, 352/255,0, 0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,0,0)
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/plasma
 	value_per_unit = 0.1
 	beauty_modifier = 0.15
@@ -125,7 +125,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	id = "bananium"
 	desc = "Material with hilarious properties"
 	color = list(460/255, 464/255, 0, 0, 0,0,0,0, 0,0,0,0, 0,0,0,1, 0,0,0,0) //obnoxiously bright yellow
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/bananium
 	value_per_unit = 0.5
 	beauty_modifier = 0.5
@@ -150,7 +150,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	desc = "Titanium"
 	color = "#b3c0c7"
 	strength_modifier = 1.3
-	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/titanium
 	value_per_unit = 0.0625
 	beauty_modifier = 0.05
@@ -162,7 +162,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	desc = "Runite"
 	color = "#3F9995"
 	strength_modifier = 1.3
-	categories = list(MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/runite
 	value_per_unit = 0.3
 	beauty_modifier = 0.5
@@ -176,7 +176,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	color = "#caccd9"
 	strength_modifier = 0.85
 	sheet_type = /obj/item/stack/sheet/plastic
-	categories = list(MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	value_per_unit = 0.0125
 	beauty_modifier = -0.01
 	armor_modifiers = list("melee" = 1.5, "bullet" = 1.1, "laser" = 0.3, "energy" = 0.5, "bomb" = 1, "bio" = 1, "rad" = 1, "fire" = 1.1, "acid" = 1)
@@ -197,7 +197,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	color = "#bb8e53"
 	strength_modifier = 0.5
 	sheet_type = /obj/item/stack/sheet/mineral/wood
-	categories = list(MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	value_per_unit = 0.01
 	beauty_modifier = 0.1
 	armor_modifiers = list("melee" = 1.1, "bullet" = 1.1, "laser" = 0.4, "energy" = 0.4, "bomb" = 1, "bio" = 0.2, "rad" = 0, "fire" = 0, "acid" = 0.3)
@@ -221,7 +221,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	desc = "A powerful material made out of magic, I mean science!"
 	color = "#6d7e8e"
 	strength_modifier = 1.5
-	categories = list(MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/adamantine
 	value_per_unit = 0.25
 	beauty_modifier = 0.4
@@ -233,7 +233,7 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	id = "mythril"
 	desc = "How this even exists is byond me"
 	color = "#f2d5d7"
-	categories = list(MAT_CATEGORY_RIGID = TRUE)
+	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
 	sheet_type = /obj/item/stack/sheet/mineral/mythril
 	value_per_unit = 0.75
 	strength_modifier = 1.2
@@ -259,8 +259,8 @@ Unless you know what you're doing, only use the first three numbers. They're in
 	alpha = 150
 	categories = list(MAT_CATEGORY_RIGID = TRUE)
 	sheet_type = /obj/item/stack/sheet/hot_ice
-	value_per_unit = 0.75
-	beauty_modifier = 0.75
+	value_per_unit = 0.2
+	beauty_modifier = 0.2
 
 /datum/material/hot_ice/on_applied(atom/source, amount, material_flags)
 	. = ..()
diff --git a/code/game/objects/items/stacks/stack.dm b/code/game/objects/items/stacks/stack.dm
index 92f8c6a691d..e80db0804e4 100644
--- a/code/game/objects/items/stacks/stack.dm
+++ b/code/game/objects/items/stacks/stack.dm
@@ -65,7 +65,7 @@
 		var/datum/material/M = SSmaterials.GetMaterialRef(material_type) //First/main material
 		for(var/i in M.categories)
 			switch(i)
-				if(MAT_CATEGORY_RIGID)
+				if(MAT_CATEGORY_RIGID && MAT_CATEGORY_BASE_RECIPES)
 					var/list/temp = SSmaterials.rigid_stack_recipes.Copy()
 					recipes += temp
 	update_weight()
diff --git a/code/game/objects/obj_defense.dm b/code/game/objects/obj_defense.dm
index ff1d87437e9..a3e735f1297 100644
--- a/code/game/objects/obj_defense.dm
+++ b/code/game/objects/obj_defense.dm
@@ -205,6 +205,7 @@ GLOBAL_DATUM_INIT(acid_overlay, /mutable_appearance, mutable_appearance('icons/e
 		SSfire_burning.processing[src] = src
 		add_overlay(GLOB.fire_overlay, TRUE)
 		return 1
+	return ..()
 
 ///called when the obj is destroyed by fire
 /obj/proc/burn()