Q.weed control, black, permeable
Which side up? Shiny or matte?

kh0001
Answered on May 16, 2016
You should always follow the instructions on the packaging, and if you have additional questions about the use of the product, call the manufacturer or check their website for additional information (phone # and website are usually shown on the packaging). Once you've contacted the manufacturer, this article may also help you:
https://www.gardeningknowhow.com/plant-problems/weeds/weed-barriers-in-gardens.htm
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