Posted 10/31/2020 08:59 (#8577634 - in reply to #8577613) Subject: RE: Firm up gravel?
New London, Wisconsin
A larger aggregate under it can help to support the top layer. We use up to 3 inch CABC for a lower layer on town road reconstruction if we have an area of concern, over the geo fabric and then top it with the finer stone with fines in it.