Ice dams build up on your roof, then they tear up the shingles and fill your home with rot, mold and termites. Other than that, they're not a problem
A quick tip on how to keep on top (so to speak) of your roof
Repairing an asphalt roof isn't that difficult - but you need to do it safely. Here's how the process works
When you can't redesign your roof, but you don't need ice damming, here's what do to
The more vents, and the better they are, the better your roof does. And the less you get dams. And the better your life is.
An attic vent that spins when you need it - and there's no wires or power bill? That's awesome
Flashing is just a fancy name for stuff that forces water to go where you want it to go
Need a good seal? If you're working on the roof, that kind of seal may not be what you're looking for