Get a Sign that Will Stand the Test of Time
Signs Protected with Sign Muscle® Far Outperform the Competition
What is Sign Muscle®?
Sign Muscle® was developed by the National Marker Company and is a revolutionary, crystal clear, tough, polymer coating that encapsulates printed images and text on the surface of a variety of substrates. The liquid monomer, Sign Muscle®, is applied to the substrate after the printing and curing process, creating a high strength bond. This creates extremely durable signs and labels for both indoor and outdoor