diff --git a/config.def.h b/config.def.h
index 1c0b587..ff87720 100644
--- a/config.def.h
+++ b/config.def.h
@@ -33,6 +33,8 @@ static const Rule rules[] = {
 
 /* layout(s) */
 static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
+static const float vfactmaster = 0.5;  /* vertical factor of first master tile */
+static const float vfactstack  = 0.5;  /* vertical factor of first stack tile */
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 
@@ -94,6 +96,12 @@ static Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+	{ MODKEY,              XK_y,  setvfactmaster,  {.f = +0.05} },
+	{ MODKEY|ShiftMask,    XK_y,  setvfactmaster,  {.f = -0.05} },
+	{ MODKEY|ControlMask,  XK_y,  setvfactmaster,  {.f = +1.0 } },
+	{ MODKEY,              XK_o,  setvfactstack,   {.f = +0.05} },
+	{ MODKEY|ShiftMask,    XK_o,  setvfactstack,   {.f = -0.05} },
+	{ MODKEY|ControlMask,  XK_o,  setvfactstack,   {.f = +1.0 } },
 };
 
 /* button definitions */
diff --git a/dwm.c b/dwm.c
index 664c527..84fbdf2 100644
--- a/dwm.c
+++ b/dwm.c
@@ -114,6 +114,8 @@ typedef struct {
 struct Monitor {
 	char ltsymbol[16];
 	float mfact;
+	float vfactmaster;
+	float vfactstack;
 	int nmaster;
 	int num;
 	int by;               /* bar geometry */
@@ -204,6 +206,9 @@ static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
 static void setup(void);
 static void seturgent(Client *c, int urg);
+static void setvfact(float *factor, float f);
+static void setvfactmaster(const Arg *arg);
+static void setvfactstack(const Arg *arg);
 static void showhide(Client *c);
 static void sigchld(int unused);
 static void spawn(const Arg *arg);
@@ -636,6 +641,8 @@ createmon(void)
 	m = ecalloc(1, sizeof(Monitor));
 	m->tagset[0] = m->tagset[1] = 1;
 	m->mfact = mfact;
+	m->vfactmaster = vfactmaster;
+	m->vfactstack = vfactstack;
 	m->nmaster = nmaster;
 	m->showbar = showbar;
 	m->topbar = topbar;
@@ -1611,6 +1618,27 @@ seturgent(Client *c, int urg)
 	XFree(wmh);
 }
 
+void
+setvfact(float *factor, float f) {
+	if (!selmon->lt[selmon->sellt]->arrange)
+		return;
+	f += (*factor < 0.05 ? 0.5 : *factor);
+	*factor = f < 1.0 ? (f < 0.05 || f > 0.95 ? *factor : f) : 0.0;
+	arrange(selmon);
+}
+
+void
+setvfactmaster(const Arg *arg)
+{
+	setvfact(&selmon->vfactmaster, arg->f);
+}
+
+void
+setvfactstack(const Arg *arg)
+{
+	setvfact(&selmon->vfactstack, arg->f);
+}
+
 void
 showhide(Client *c)
 {
@@ -1688,11 +1716,15 @@ tile(Monitor *m)
 	for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
 		if (i < m->nmaster) {
 			h = (m->wh - my) / (MIN(n, m->nmaster) - i);
+			if (i == 0 && MIN(n, m->nmaster) > 1 && m->vfactmaster > 0.01)
+			    h *= (MIN(n, m->nmaster) - i) * m->vfactmaster;
 			resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0);
 			if (my + HEIGHT(c) < m->wh)
 				my += HEIGHT(c);
 		} else {
 			h = (m->wh - ty) / (n - i);
+			if (i == m->nmaster && n - i > 1 && m->vfactstack > 0.01)
+				h *= (n - i) * m->vfactstack;
 			resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0);
 			if (ty + HEIGHT(c) < m->wh)
 				ty += HEIGHT(c);