No need for silly silicone my friend, use a Drum Clamp!
After you bent the edge out of the lid, place it as straight as you can on the drum and use a Rubber Mallet to form a better seal.
I dont have to use the clamp, but do so just in case my 4 year old gets curious.
Butts-N-Gutts BBQ Team ( NYC Chapter Member )
Official MOINK Ball Maker ( Certified Dec 2008 )
Not So Ugly Drum Smoker, now on wheels!; 22.5" Weber Kettle One Touch Gold (CL Rescue); 22.5" Weber Cool-Blue Performer;
14" Table Top Kettle Grill; Turkey Fryer; Rapid-Fire-Red Thermapen!; Mini, Small, Medium & Large BGE!