Great advice! Never tried that. Are there any concerns with the drill bit wandering through the coroplast? Also, do you do this with confidence when the pattern size exceeds one sheet and you have seems?Come on... Who tapes a paper pattern to a wall for install. Glue your pattern to a piece of coro. Screw it to the wall in spots that will be hidden by a letter.
I like to use poster board. An automatic center punch does wonders for your initial strike, then use a normal center punch to set your mark deeper. I like to use to use a 3/8-16 threading tap (with a pointed end) for a center punch because they're very hard. Always use a brass mallet....never strike a tap with a steel hammer.Great advice! Never tried that. Are there any concerns with the drill bit wandering through the coroplast? Also, do you do this with confidence when the pattern size exceeds one sheet and you have seems?