ASK THE EXPERT: Q: We are comparing roofing bids, and the lowest proposal notes that they will 're-use existing flashing where possible' to save us money. They do not plan on flashing cheek walls or installing wall to roof transitions or other flashing to key areas of the roof. Is this a smart way to protect our budget, or are we setting ourselves up for future issues? A: When a condominium board reviews roofing proposals, it is natural to focus on the biggest line items: the