projectiles can pass

code/modules/assembly/infrared.dm

@@ -215,7 +215,7 @@
 	var/life_cycles = 0
 	var/life_cap = 20
 	anchored = TRUE
-	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE
+	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE | PASSFENCE
 
 
 /obj/effect/beam/i_beam/proc/hit()

code/modules/projectiles/guns/alien.dm

@@ -70,7 +70,7 @@
 	damage = 60
 	damage_type = BRUTE
 	flag = "bullet"
-	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE
+	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE | PASSFENCE
 
 	weaken = 5
 	stun = 5

code/modules/projectiles/guns/medbeam.dm

@@ -81,7 +81,7 @@
 	if(!istype(user_turf))
 		return 0
 	var/obj/dummy = new(user_turf)
-	dummy.pass_flags |= PASSTABLE & PASSGLASS & PASSGRILLE //Grille/Glass so it can be used through common windows
+	dummy.pass_flags |= PASSTABLE & PASSGLASS & PASSGRILLE & PASSFENCE //Grille/Glass so it can be used through common windows
 	for(var/turf/turf in getline(user_turf,target))
 		if(turf.density)
 			qdel(dummy)

code/modules/projectiles/projectile/beams.dm

@@ -1,7 +1,7 @@
 /obj/item/projectile/beam
 	name = "laser"
 	icon_state = "laser"
-	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE
+	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE | PASSFENCE
 	damage = 20
 	damage_type = BURN
 	hitsound = 'sound/weapons/sear.ogg'

code/modules/projectiles/projectile/bullets.dm

@@ -6,6 +6,7 @@
 	flag = "bullet"
 	hitsound_wall = "ricochet"
 	impact_effect_type = /obj/effect/temp_visual/impact_effect
+	pass_flags = PASSFENCE
 
 /obj/item/projectile/bullet/weakbullet //beanbag, heavy stamina damage
 	name = "beanbag slug"

code/modules/projectiles/projectile/energy.dm

@@ -5,6 +5,7 @@
 	damage_type = BURN
 	flag = "energy"
 	is_reflectable = TRUE
+	pass_flags = PASSFENCE
 
 /obj/item/projectile/energy/electrode
 	name = "electrode"

code/modules/projectiles/projectile/magic.dm

@@ -6,6 +6,7 @@
 	nodamage = 1
 	armour_penetration = 100
 	flag = "magic"
+	pass_flags = PASSFENCE
 
 /obj/item/projectile/magic/death
 	name = "bolt of death"

code/modules/projectiles/projectile/special.dm

@@ -53,7 +53,7 @@
 	nodamage = 1
 	flag = "energy"
 	var/temperature = 300
-	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE
+	pass_flags = PASSTABLE | PASSGLASS | PASSGRILLE | PASSFENCE
 
 /obj/item/projectile/temp/New(loc, shot_temp)
 	..()