Sign Muscle Coating to extend the life of your signs and labels

Applied for Free!

 Sign Muscle To Protect Your Signs Made In The USA

NMC is adding more value to our safety signs and labels with the addition of our Sign Muscle™ coating, a coating designed to extend the life of the product.

Sign Muscle Protects Against

Sign Muscle Protects Against


How Much Are You Paying To Protect Your Signs?  

Sign Muscle™ coating will protect your signs and labels from scuffs and scratches, while providing excellent color  clarity and a smooth edge. The UV light inhibitors in the coating will also protect your product from fading.  Best of all it's at no additional cost!  Please feel free to contact us as we are excited to share our news about Sign Muscle™.



Inside the Sign Muscle™ Lab!

Want to learn more about Sign Muscle™from National Marker Company? How about a little history behind it?  Since our last Sign Muscle™ video generated so much positive feedback,  NMC decided to give you an inside look at the birth and evolution of this revolutionary new product. Watch National Marker's own mad scientist, Jim, as he formulates Sign Muscle™ right before your eyes! Make sure to follow National Marker Co. on Facebook and subscribe to our YouTube channel at /nationalmarker to get more updates.