Do asphalt shingles installed before 1980 contain asbestos? | Always | 4% | In most cases | 13% | In some cases | 68% | Not sure | 13% | | | Question: Do asphalt shingles installed before 1980 contain asbestos? Top Answer (68% of 22 votes): In some cases.
Answer: In some cases Explanation: Always check before removal. Any roof that was installed before 1980 is likely worn out and should be replaced | JPS-WNC llc | Answer: In some cases Explanation: in the early 1930s and forward aspestos was used | G M M Property Inspections | Answer: In some cases Explanation: Things like asbestos have not been used since the late 70's | American roofing &remodeling |
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