One 40 lb. bag covers 4.66 sq. ft. at 4" depth (e.g., 1,000 sq. ft / 4.66 = # of bags)
Rainbow Midwest meets or exceeds all ASTM Standards.
The new ASTM F3012 safety standard has raised the bar for manufacturers of rubber mulch and Rainbow Midwest has met the challenge! Going far beyond fall protection, the standard is designed to ensure that playground rubber mulch meets the strictest standards for safety and quality control including:
Tramp Metal Content
Sharp Wire Content