SWPPP Uses For SYMMLOC When you start using Symmloc Fasteners to secure your covers, you will soon find out that once its installed you can forget about it. Best of all it can be easily modified to cover smaller or larger areas, and when you're finished it can be easily stored for future use.
The three boxes shown in the picture above contain (120) Symmloc fasteners that weigh 60 pounds, compare that to the sandbags that are also shown weighing in excess of 4,000 pounds, yet are less effective and more expensive to move. The Symmloc Fastener is also reusable.
This picture gives some perspective to the few units used when compared to sandbags
Large slope protection using Symmloc Fasteners to construct Level 3 Seam construction to keep the wind out, without heavy sandbags.
Conclusion: Save on cost because fewer units are required and they are reusable. Reduce maintenance by improved performance. Safer to install because the weight required is 99% less when compared to sandbags.