I haven’t tried spray adhesive, but would imagine that it would work just fine as an alternative method. Just spray and place a board over until set.
Once the sheets have dried, they are ready to be cut! You can use a cricut or stencils to cut into desired shapes. I used both. I used the Cricut for the words “Imagine” and “Create” and made printouts of the words “Get Messy” from Microsoft Word and traced them onto the contact/cardstock.
Peel off the backing and adhere to the wall.
And these aren’t limited to lettering! The possibilities are endless especially with the huge variety of cricut cartridges. You can make all sorts of custom scenes for your wall.
Our basement is brighter lit than most basements, but it is still hard to take a good picture down there. You get the idea.