40mm

Consider you use of 40mm Size is an important factor when considering your gravel and chippings.

Chippings graded at 40mm, are a great choice for heavy footfall footpaths as the shape and size means they bed together well.  Therefoe providing for a comfortable walking surface and as they are bigger.  Furthermore they will take longer to break down than smaller slate chippings. Once laid, the smaller pieces will form a mulch bed with the larger and more decorative pieces on display.