Ice dams

[mikeyis4dcats.]

Originally Posted by cosmo20002

I know they are linked to insulation/ventilation issues, but it is still nearly impossible to completely eliminate those issues.

My question is whether ice/water should be able to get up and under a correctly installed new roof.

And/Or--could the ice formations on the siding surface be caused by something other than a roof problem?

unless there is a self-adhesive ice and water shield underneath (unlikely) then yes, strong wind or ice dams can drive water under the shingles.