A complete tear-off of the old roofing material may be necessary during replacement

https://future-capricorn-bc8.notion.site/Hidden-issues-such-as-damaged-underlayment-could-add-extra-time-onto-projects-too-be-sure-to-discuss-1df66d79db32807eada3dcac6c8412d4?pvs=4

A complete tear-off of the old roofing material may be necessary during replacement, impacting both time and cost—discuss this with your contractor beforehand.