I stopped using weed block fabric a few years ago. Even the highest grade will break down. Does nothing for weeds that WILL germinate on top. Install whatever top product you are using to the CORRECT thickness. Apply a pre-em such as Snapshot. This has resulted in almost NO callbacks or breakthroughs on jobs we warrantied 6 months on. Guys underbid these jobs, then skimp on product. At her price it won't even cover top product and she is ignorant of herbicides.
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