Water damage restoration
Drying work follows the IICRC S500 Standard for Professional Water Damage Restoration, which is the industry reference for classification, drying method and the moisture readings that close a job.
In practice that means a job finishes when the materials hit a documented dry standard, not when the room looks dry. It also means the readings exist if a carrier or a future buyer asks.
Heat trace
Permanent de-icing work uses self-regulating cable from established manufacturers, installed to their published specifications for spacing, routing, termination and circuit protection.
Self-regulating rather than constant-wattage is a deliberate choice: it varies output along its own length, tolerates overlap in a gutter, and cannot cook itself into failure the way constant-wattage cable can.
Codes and references
Ice-barrier underlayment requirements come from the residential code in force in each jurisdiction, which varies in how far up the roof plane the membrane must extend. Electrical work on heat trace follows the National Electrical Code provisions for fixed outdoor de-icing equipment.
Where a local amendment is stricter than the model code, the local amendment is what the work is built to.
Sister company
RoofGutterHeat.com handles permanent prevention — engineered heat trace, heated gutter guards and heated downspouts — for properties that would otherwise be steamed every January. Same standards, same people, different side of the problem.
If what you actually need is to stop this happening again rather than to fix it tonight, that is the conversation to have.