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best spot for ice barrier under shingles?

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lindaparker344
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"Heated cables can definitely help in tricky spots like valleys or shaded areas, but they're treating symptoms rather than the root cause."

Couldn't agree more with this point. I've tried heated cables myself—worked fine for a while—but once I finally addressed insulation and airflow issues, that's when things really improved. It was surprising how much difference proper attic ventilation made... less ice, fewer leaks, and even lower heating costs. Definitely worth the effort to tackle the root cause first.

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asage98
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Yeah, spot-on about ventilation. Reminds me of a job I did years back—homeowner kept battling ice dams every winter. We finally sorted out attic airflow and insulation... problem solved. Sometimes the basics really are the best fix.

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finn_shadow
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"Sometimes the basics really are the best fix."

Couldn't agree more. People often jump straight to fancy products or complicated solutions, but honestly, getting your attic insulation and airflow right usually beats any ice barrier placement tricks. Learned that the hard way myself... twice.

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train46
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Yep, learned that lesson myself a few winters back. Spent way too much time worrying about ice barrier placement and fancy shingles, only to realize later that my attic ventilation was the real culprit. Once I got the airflow sorted, ice dams pretty much disappeared. Sometimes it's tempting to overcomplicate things, but you're right—keeping it simple usually works best. Glad you figured it out too... eventually.

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simbas89
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Good points here, ventilation definitely seems overlooked. I'm tackling this now as a first-time homeowner and trying to avoid rookie mistakes. A few things I'm still unsure about:

- Did you add soffit vents or ridge vents, or both?
- Any noticeable difference in attic temps after improving airflow?
- Wondering if insulation thickness matters much once ventilation is dialed in...

Still figuring this stuff out, appreciate any insights.

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