diff --git a/source/core/maptypes.h b/source/core/maptypes.h
index 0fc13b054..c1c522a2d 100644
--- a/source/core/maptypes.h
+++ b/source/core/maptypes.h
@@ -63,6 +63,10 @@ enum ESectorBits
 	CSTAT_SECTOR_TRANS_INVERT		= 256,
 	CSTAT_SECTOR_METHOD				= 384,
 	CSTAT_SECTOR_FAF_BLOCK_HITSCAN	= 32768,	// SW only
+
+	CSTAT_SECTOR_EXHUMED_BIT1			= 1 << 14,
+	CSTAT_SECTOR_EXHUMED_BIT2			= 1 << 15,
+
 };
 
 // Extended sector bit flags.
diff --git a/source/games/blood/src/player.cpp b/source/games/blood/src/player.cpp
index 8ba7b4e71..ab7d922ef 100644
--- a/source/games/blood/src/player.cpp
+++ b/source/games/blood/src/player.cpp
@@ -1340,7 +1340,7 @@ void doslopetilting(PLAYER* pPlayer, double const scaleAdjust = 1)
     auto* const pXSprite = pPlayer->pXSprite;
     int const florhit = pPlayer->actor->hit.florhit.type;
     bool const va = pXSprite->height < 16 && (florhit == kHitSector || florhit == 0) ? 1 : 0;
-    pPlayer->horizon.calcviewpitch(pSprite->pos.vec2, buildang(pSprite->ang), va, pSprite->sector()->floorstat & 2, pSprite->sector(), scaleAdjust);
+    pPlayer->horizon.calcviewpitch(pSprite->pos.vec2, buildang(pSprite->ang), va, pSprite->sector()->floorstat & CSTAT_SECTOR_SLOPE, pSprite->sector(), scaleAdjust);
 }
 
 void ProcessInput(PLAYER *pPlayer)
diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 11dbb5f87..f523ff6bc 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -2316,7 +2316,7 @@ bool jibs(DDukeActor *actor, int JIBS6, bool timeout, bool callsetsprite, bool f
 				deletesprite(actor);
 				return false;
 			}
-			if ((s->sector()->floorstat & 2))
+			if ((s->sector()->floorstat & CSTAT_SECTOR_SLOPE))
 			{
 				deletesprite(actor);
 				return false;
@@ -2359,7 +2359,7 @@ bool bloodpool(DDukeActor* actor, bool puke, int TIRE)
 	if (t[0] == 0)
 	{
 		t[0] = 1;
-		if (sectp->floorstat & 2)
+		if (sectp->floorstat & CSTAT_SECTOR_SLOPE)
 		{
 			deletesprite(actor);
 			return false;
@@ -2737,7 +2737,7 @@ void handle_se00(DDukeActor* actor, int LASERLINE)
 		t[2] += (l * q);
 	}
 
-	if (l && (sect->floorstat & 64))
+	if (l && (sect->floorstat & CSTAT_SECTOR_ALIGN))
 	{
 		int p;
 		for (p = connecthead; p >= 0; p = connectpoint2[p])
@@ -3794,7 +3794,7 @@ void handle_se13(DDukeActor* actor)
 			//Change the shades
 
 			t[3]++;
-			sc->ceilingstat ^= 1;
+			sc->ceilingstat ^= CSTAT_SECTOR_SKY;
 
 			if (s->ang == 512)
 			{
@@ -4259,7 +4259,7 @@ void handle_se20(DDukeActor* actor)
 				a2->s->x += x;
 				a2->s->y += l;
 				SetActor(a2, a2->s->pos);
-				if (a2->sector()->floorstat & 2)
+				if (a2->sector()->floorstat & CSTAT_SECTOR_SLOPE)
 					if (a2->s->statnum == 2)
 						makeitfall(a2);
 			}
@@ -4515,7 +4515,7 @@ void handle_se24(DDukeActor *actor, const int16_t *list1, const int16_t *list2,
 
 						SetActor(a2, s2->pos);
 
-						if (s2->sector()->floorstat & 2)
+						if (s2->sector()->floorstat & CSTAT_SECTOR_SLOPE)
 							if (s2->statnum == 2)
 								makeitfall(a2);
 					}
@@ -5236,7 +5236,7 @@ void fall_common(DDukeActor *actor, int playernum, int JIBS6, int DRONE, int BLO
 			else c = gs.gravity;
 		}
 
-		if (actor->cgg <= 0 || (s->sector()->floorstat & 2))
+		if (actor->cgg <= 0 || (s->sector()->floorstat & CSTAT_SECTOR_SLOPE))
 		{
 			getglobalz(actor);
 			actor->cgg = 6;
diff --git a/source/games/duke/src/player.cpp b/source/games/duke/src/player.cpp
index 253cc2f28..f2709b931 100644
--- a/source/games/duke/src/player.cpp
+++ b/source/games/duke/src/player.cpp
@@ -487,7 +487,7 @@ void footprints(int snum)
 	auto s = actor->s;
 
 	if (p->footprintcount > 0 && p->on_ground)
-		if ((p->cursector->floorstat & 2) != 2)
+		if ((p->cursector->floorstat & CSTAT_SECTOR_SLOPE) != 2)
 		{
 			int j = -1;
 			DukeSectIterator it(s->sector());
diff --git a/source/games/duke/src/spawn.cpp b/source/games/duke/src/spawn.cpp
index dd7b7424c..7950c71ac 100644
--- a/source/games/duke/src/spawn.cpp
+++ b/source/games/duke/src/spawn.cpp
@@ -734,12 +734,12 @@ void spawneffector(DDukeActor* actor, TArray<DDukeActor*>* actors)
 
 			if (sectp->ceilingstat & CSTAT_SECTOR_SKY)
 			{
-				sectp->ceilingstat ^= 1;
+				sectp->ceilingstat ^= CSTAT_SECTOR_SKY;
 				t[3] = 1;
 
 				if (!ceiling && sp->ang == 512)
 				{
-					sectp->ceilingstat ^= 1;
+					sectp->ceilingstat ^= CSTAT_SECTOR_SKY;
 					t[3] = 0;
 				}
 
diff --git a/source/games/exhumed/src/object.cpp b/source/games/exhumed/src/object.cpp
index d32cf043f..2b2f83175 100644
--- a/source/games/exhumed/src/object.cpp
+++ b/source/games/exhumed/src/object.cpp
@@ -2338,7 +2338,7 @@ void AddMovingSector(sectortype* pSector, int edx, int ebx, int ecx)
         pMoveSect->nChannel = -1;
     }
 
-    pSector->floorstat |= 0x40;
+    pSector->floorstat |= CSTAT_SECTOR_ALIGN;
 }
 
 void DoMovingSects()
@@ -2493,8 +2493,8 @@ void PostProcess()
 
         if (pSector->Flag & kSectUnderwater)
         {
-            pSector->ceilingstat |= 0x40;
-            pSector->floorstat &= 0xBFFF;
+            pSector->ceilingstat |= CSTAT_SECTOR_ALIGN;
+            pSector->floorstat &= ~(CSTAT_SECTOR_EXHUMED_BIT1 | CSTAT_SECTOR_EXHUMED_BIT2);
 
             for (unsigned j = 0; j < sMoveSect.Size(); j++)
             {
diff --git a/source/games/exhumed/src/spider.cpp b/source/games/exhumed/src/spider.cpp
index 95a47fadc..9a343c185 100644
--- a/source/games/exhumed/src/spider.cpp
+++ b/source/games/exhumed/src/spider.cpp
@@ -291,7 +291,7 @@ void AISpider::Tick(RunListEvent* ev)
     if (nMov.exbits & kHitAux1
         && sp->zvel < 0
         && hiHit.type != kHitSprite
-        && !((sp->sector()->ceilingstat) & 1))
+        && !((sp->sector()->ceilingstat) & CSTAT_SECTOR_SKY))
     {
         sp->cstat |= 8;
         sp->z = GetActorHeight(spp) + sp->sector()->ceilingz;