here's the little riff that he plays during the instrumental break:

e|---2-------2---0----------------------------------------------------------|
B|-------3----------3---1-------1-------1-----------------------------------|
G|--------------------------2-------2-------0-------0-------0---------------|
D|-----------------------------------------------2--------2-------0---------|
A|--------------------------------------------------------------------------|
E|--------------------------------------------------------------------------|

or the low end

or

e|---2-------2---0----------------------------------------------------------|
B|-------3----------3---1-------1-------1-------------------1---3-----------|
G|--------------------------2-------2--------0-------0---2------------------|
D|-------------------------------------------------2------------------------|
A|--------------------------------------------------------------------------|
E|--------------------------------------------------------------------------|

on the high end

The chords for the verse are:

  Ema (022000@1)strange form of life kicking through windows
             Drolling (xx0232@1)on yards
            Am (x02210@1)                   Cheading (x32010@1)in loved ones' triggering eyes
       Ema (022000@1)strange one

etc. etc.

Every couple or so verses is the instrumental break, where he plays the riff above.

The chords that accompany the riff during the instrumental break are:

D Am C G