func_nogrenades
Rockets, stickybombs, conc grenades, and other explosives will not detonate/explode inside this area. Keyvalues # Explosive prevention method (explosion_prevention_type<choices>) Determines the method of explosive prevention. 0: “[Default] Fizzle explosives upon detonation. This is the TF2 default.” 1: “Fizzle only airborne (handheld concs included) explosives upon detonation.” 2: “Fizzle upon landing instead of on attempted detonation.” 3: “Fizzle explosive immediately upon it entering the trigger.”