What is the Wieght of a yard of mulch. I am talking about double shredded hardwoord. Just trying to figure out how much i can fit on my trailer and how high i need to have the sides built. I am looking at a 2008 PRO STAR TRAILER , 76'' WIDE X 16' LONG ON THE FLOOR, TOP WIND JACK, 2- 5/16'' BALL COUPLER, W/ SAFTY CHAINS, 4' MESH SIDES, FULL WIDTH SPLIT REAR GATE, TREATED FLOORING, ST- 205/75R X 15'' LOAD RANGE C TIRES, 545 WHITE SPOKE WHEELS, 3500# SPRING AXLES, RV PLUG, BLACK IN COLOR, 7000# GVWR, 2245# SHIPPING WEIGHT. They are asking $3000.