THESAURUS
airtight, ballproof, bombproof, bulletproof, burglarproof, corrosionproof, dampproof, fire-resistant, fire-resisting, fire-retardant, fire-retarded, fireproof, fireproofed, foolproof, hermetic, holeproof, impervious to, leakproof, noiseproof, proof, proof against, punctureproof, resistant, rustproof, shatterproof, shellproof, soundproof, tight, watertight, weatherproof
ROGET THESAURUS
Insulation
VB
go out, die out, burn out, fizzle, extinguish, damp, slack, quench, smother, put out, stamp out, douse, snuff, snuff out, blow out, fireproof,
flameproof.