LavaLock RTV 650 F BBQ Grill Smoker Sealer Hi Temp Silicon Adhesive 3 oz (2.8 fl. Ounce) is a self curing, and food contact safe, BBQ smoker adhesive. This super high tack silicon adhesive tolerates 650F maximum temperature intermittently. Works great on lids, gaskets, doors, cracks & anywhere where your bbq pit needs to be sealed up. LavaLock is excellent for sealing bbq parts or creating gaskets on your smoker build. LavaLock brand is the best BBQ smoker sealer that we have used. Meets MIL-A-46106A, FDA 21 CFR 177.2600 For Food Contact and USDA Requirements LavaLock is a registered brand, all rights reserved.