flameproof (adj.)

• airtight
• bombproof
• bulletproof
• burglarproof
• fire-resistant
• fire-resisting
• fire-retardant
• fireproof
• foolproof
• hermetic
• leakproof
• proof
• resistant
• rustproof
• shatterproof
• shellproof
• soundproof
• tight
• watertight
• weatherproof