In the outdoor area, antifreeze gravel is used as drainage and as fixing. It can be used both as an upper cover layer and as a relining. Sorting and weighting of grain size fractions is crucial, while prices are among the lowest among grape varieties.
The way of the water guarantees frost protection
If you are looking for frost protection gravel, do not buy it "off the shelf" if possible. A good building materials dealer or qualified gravel crew asks about the local conditions and the construction project.