Flat roofs really do seem to have a mind of their own, don’t they? I’ve seen pitched roofs with ice dam issues too, though. Did you notice any weird s...

Fair enough on the yearly checks, but have you considered climates with heavy snowfall or frequent storms? I've seen vents get blocked or damaged pret...

Good points here, especially about ventilation. I've helped tear off roofs that were barely 10 years old and the shingles were cooked from underneath ...