Can anyone tell me who is selling the correct fiberboard type of firewall insulation with the correct thickness of insulation (CC used to sell this back in the 90s).? All I can find from the most popular venders is the cheap looking wrinkled up black plastic looking stuff with the insulation about 1/2 the thickness of the original. Is this all that is available? If so how does it do on judging?
67 Correct firewall insulation HELP!
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