I don’t see any roofing shingles, but the green film is moisture barrier….you need tar paper over the wood composite before they put shingles on. Just be sure all moisture barriers, including tar paper, are all applied to allow water to drain properly and not accumulate under the barrier. Bottom up application… Love, Margaret I am you ‘resident expert’.
To obtain reimbursement for keyboards, monitors and other computer equipment ruined by spewing liquids,
email place of purchase, original purchase price and sales clerk's mother's maiden name to: