Hingst’s Sign Post: Working with Hardboard (Masonite)

Sign Builder Illustrated columnist Jim Hingst writes: “A sign maker had asked if he could mount a printed vinyl graphic to Masonite, which is another name for hardboard.  Because hardboard is porous, I told him to either paint or varnish the sheet to prevent it from absorbing moisture which could adversely affect the adhesion of the graphics. A better answer is to use a product called Scooter Board™, which is a hardboard with a water-resistant urethane coating.

“For most outdoor sign applications, hardboard is a poor choice if you want a long lasting sign,” says pinstriper John “Tramp” Warner of One-Shot. “The best use for hardboard is indoor signage and cut outs for wall graphics. I only use tempered hardboard. I buy it already coated out. Then I scuff it, wipe off the dust and give it a coat of One Shot. It’s like glass to work on.”

To read more, check out the latest installment of his blog HERE.