Fixes #4923

code/game/objects/structures/grille.dm

@@ -121,7 +121,13 @@
 			return !density
 
 /obj/structure/grille/bullet_act(var/obj/item/projectile/Proj)
+
 	if(!Proj)	return
+
+	//Tasers and the like should not damage grilles.
+	if(Proj.damage_type == HALLOSS)
+		return
+
 	src.health -= Proj.damage*0.2
 	healthcheck()
 	return 0

code/game/objects/structures/window.dm

@@ -18,6 +18,11 @@
 //	var/icon/silicateIcon = null // the silicated icon
 
 /obj/structure/window/bullet_act(var/obj/item/projectile/Proj)
+
+	//Tasers and the like should not damage windows.
+	if(Proj.damage_type == HALLOSS)
+		return
+
 	health -= Proj.damage
 	..()
 	if(health <= 0)