Commercial Roofing: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
Repair, restore or replace?
It depends on wet insulation, membrane condition and age. A survey with cores or infrared tells you.
Does a recover need a permit?
Yes, and codes limit how many roofs may be stacked.
What warranty should I ask for?
Compare manufacturer system warranties and the contractor's workmanship warranty.