Up to 40 years life span when used with a mulch. Also perfectly safe for lining sand pit play areas, as a barrier under bark chip or mulch, below gravel driveways and paths, below artificial grass and astro turf underlay, decking, shed bases, greenhouses, poly tunnel floors, patios and block paving, grid pavers, flower beds, borders, banks and slopes, around trees and plants, rockeries, raised beds, and fruit & vegetable beds.
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