Plenum rating requirementsWhy is my Blackstone griddle sticky? One thick layer of oil usually turns into a sticky mess. If you want to start over, get a good size griddle brick from a restaurant supply store. Get the griddle medium hot, oil it a bit, then rub the stone all over it. Scrape with a spackle knife, then season as described...Peterbilt glider for saleBlackstone griddles have a cast iron griddle surface. The reason your Blackstone Griddle is sticky is because the volume of cooking oil built up on the griddle cooking surface. How often should you season a Blackstone griddle? Excessive oil must be wiped out and steps three to five need to be...