If you plan to get your new DolanPaperCo art print professionally framed, you don't need to do anything except leave the print in its original tube or envelope and deliver it to your professional. Delivering your ‘to-be-framed' print to the framer in its original shipping tube is the safest way to go.
If you plan on framing your print at home, the following instructions are for you! On a clean, flat, smooth and hard surface, leaving the poly-plastic barrier on the print, place the print face down (opposite of the curl). Place heavy flat objects, such as books, on each corner of the print. Let sit for a couple hours. Remove the heavy objects from the print and check to see if it's flat. If it still isn't flat, leave for a few more hours. Now you're print is ready to be framed!
Things to avoid:
Never use an iron to flatten your rolled print. No matter how many layers there are, you can severely damage your print.
Never use steam. This isn't a silk shirt, ya know.
Never scrape the back of a print over the edge of a table. Similar to flattening a dollar bill that's about to go into a vending machine.