Mold can be a corrosive and it can cause damage to any “food source” to which it attaches itself. Mold will destroy drywall, causing it to crumble, if left untreated. Wood can also become brittle and crumble when mold has remained on the surface for an extended period of time. For any mold problem you should always relay on a professional unbiased company such as mold test Chicago. Mold Test Chicago never has monetary gain from finding toxic mold since they do not perform remediation. Don't hesitate to call www.moldtestchicago.com for any and all your mold questions today.