Rock Boss

  • Sale
  • Regular price $799.00


Protect your boat and trailer during travel with the Rock Boss. Our universal rock guard is adjustable for almost any trailer width and length.

  • Universal design to fit almost any trailer
  • Heavy-duty, fully adjustable aluminum frame
  • Industrial strength PVC mesh, ensuring 100% protection for your boat
  • Includes 1 year manufacturer's warranty

*Please allow 3-5 business days for handling & shipping.

For Local pick please call 204-325-9548, to place an order.

*If product is Sold Out or unavailable, please contact our office at 1.800.852.2638

Frequently Asked Questions

Q) How do I mount this system to my trailer? 
A) Our aluminum posts mount to your trailer with an adjustable bracket. The mesh panel slides onto the posts and is tightened using a belt system with hooks and adjustable buckles. An illustrated instruction manual comes with the system for more detail.

Q) I’ve been using my Rock Boss for several years and there are some holes in the mesh panels, can I get them repaired? 
A) Yes, we typically repair small tears in your tarp if you drop it off at our shop OR you can also order replacement mesh panels or any other parts separately as needed. Please call our office before bringing in your tarp. We may also request pictures ahead of time so we can recommend either a repair or replacement.

Q) Can I use my winch when I have the Rock Boss installed to my trailer? 
A) Yes you can! Our mesh panels can be unhooked and moved out of the way so you have easy access to your winch system when you are loading and unloading your boat.

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Spencer B.

Received blemished part and it was corrected in a very fast manner.

Preston M.
United States United States


The Best!!! When I received my order I realized it wouldn't fit due to my spare tire being permanently mounted to the trailer. I told them if the guard was 18" longer it would fit. They had one for each side made 18" longer and sent to me in less than a week for no charge and told me to keep the original ones. They work great. I had it at a boat launch twice since I installed them and have had 3 different people come up to me and ask me where I got them. Thank you George and the staff at Winkler Canvas, great product and excellent customer service!!!!!