How to Identify It
What asbestos duct wrap looks like
Asbestos duct insulation was applied in several forms in pre-1980 Michigan homes. The most common types are corrugated cardboard-like wrap, canvas-covered plaster-like insulation, and fibrous gray wrap that crumbles when disturbed.
Gray or tan corrugated wrap on rectangular ducts
Canvas-covered, plaster-like insulation on round ducts
Fibrous material that crumbles or flakes at edges
Often found on ducts near the furnace or in basement
Home built before 1980 with original ductwork
Don't run your HVAC if the duct wrap is visibly deteriorating.
Running forced air through damaged asbestos duct wrap distributes fibers throughout your home. Call us before turning the system back on.
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