Check out the videos I made of this project here:
Applying  pebble dash.     
Our secret pebble dash mix.                                               

Pebble dash stucco addition
for Tom Dowling
Universal Craftsman
2 layers of felt paper
self furring metal lath
Two layers of tarpaper and metal lath applied.
Self furring lath has dimples to hold the lath out from the wall for  good support and reinforcement.
pebble dash stucco
stucco addition
Side view of the same addition.
Tom did an excellent job on this addition. Note the
details on the joists at the eaves.