Heavy-Duty Hay Tarp with Bungee Lock System | STS Ranch
Uncovered hay loses 15–25% of its feed value to the first rain. Cheap poly tarps shred in one UV season. The STS Ranch Heavy-Duty Hay Tarp is 14-oz vinyl-coated polyester with an integrated bungee-lock system that pre-tensions and stays tight in 60+ mph sustained wind.
How it works
The bungee-lock system pulls four integrated bungees plus cross-webbing tight as you stake the tarp. When wind lifts the edges, the bungees cinch further rather than loosening, so the tarp tightens under load instead of flapping free. UV stabilizers in the vinyl coating extend service life to 5+ seasons of continuous exposure.
Specs and included
- Fabric: 14-oz UV-stable vinyl-coated polyester
- Fastening: integrated bungee-lock + cross-webbing
- Wind rating: 60 mph sustained
- Service life: 5+ seasons
- Sizing: fits 4x5 and 5x6 round bales, 3x3x8 square stacks
- Grommet count: reinforced at all bungee attachment points
Who this is for
- Operations storing 20+ round bales outdoors
- Anyone who has lost hay value to rain or wind
- Ranchers tired of replacing cheap poly tarps every year
FAQ
How long will this tarp last?
5+ seasons under typical U.S. outdoor storage. Shed storage between seasons extends life another 2–3 years.
Will it survive 60 mph wind?
Yes — tested in Central Valley winter storms. The bungee-lock tightens under wind load instead of loosening.
Does it work on square bale stacks?
Yes. Size for outside footprint plus 1 ft overhang per side for proper drainage.