GSM (grams per square meter) is one of the first specifications buyers should confirm when sourcing weed control fabric. Heavier fabrics generally last longer under UV, traffic, and wind, while lighter grades can be enough for seasonal beds.
For commercial rows, most growers start by matching GSM to crop cycle, climate, and whether the fabric will be walked on or only used as a mulch layer. Hongguan can recommend a range based on your installation method and expected service life.
