Sunlight will break down polypropylene bags after a few weeks. Here’s a new idea to protect against UV damage. Tarps are big and awkward. Painting the bags is extra work and sort of messy. Shade cloth seems like one of the fastest, best methods to protect against UV damage. Secure the shade cloth to the bags with 2” galvanized roofing nails or something similar. Thanks to Ruedi for this tip.
UV damage
Raschel Bags Susceptibility to UV Damage Confirmed
Just like polypropylene bags, raschel bags also are susceptible to UV damage. This is no surprise to long term readers, but I’m just reporting my experience to encourage earthbag builders to protect their structures from ultraviolet damage. The raschel earthbag made on approximately January 5 for my post titled Open Weave Fabric: Ideal Working Properties … Read more