Roof Ventilation

No matter what the type, slope, or the pitch of your roof, when it snows in Portland, Oregon it begins a chain of events that some roofs can’t handle. One of the events created as the snow begins to melt is an ice/snow dam. This ice/snow dam can back the melting snow and ice from… Read more »

If an under-ventilated roof is left to run its barrage of problems, the homeowner will have to replace the plywood, spray the attic space for mold and mildew damage, cut in the right amount of ventilation and then re-roof it again.
Typical roof vents

Looks like a normal roof doesn't it? This roof has only half the ventilation required by code. This will void the manufacturer's product warranty and have you spending 30% more on heating and cooling your home.