How many 40 litre bags of bark are in a cubic metre?
There are 25 bags (40 litre) of mulch or bark per 1 cubic metre and 40 bags (25 litre) of soil per 1 cubic metre. A 1-inch to 2-inch layer of fine mulch should be sufficient, while a coarser material should be 3 to 4 inches deep. Too much of either type can suffocate your plants. In areas where you simply want to keep anything from growing, you can lay it on as thick as you like.As a general rule of thumb, one cubic yard of bark mulch will cover an area measuring about 100 square feet. Most landscape professionals recommend a minimum depth of about 3 inches. If you’re adding a layer of top dressing to an area that was previously mulched, you may wish to use a little less.How much mulch should I buy? As a general rule of thumb, one cubic yard of bark mulch will cover an area measuring about 100 square feet. Most landscape professionals recommend a minimum depth of about 3 inches.