Engineered Wood Fiber Mulch. Ewf, as with all of our playground safety surfacing products, meets or. Engineered wood fiber playground mulch.
![Wood Fiber Mulch](https://i2.wp.com/cdn11.bigcommerce.com/s-tddaa/images/stencil/1280x1280/products/215/792/EWF_2__56477.1349118972.jpg?c=2)
Engineered wood fiber (ewf) is the most common type of playground safety surfacing. Engineered wood fiber playground mulch. Ewf, as with all of our playground safety surfacing products, meets or.