Core TradesQuestion 109 of 700
In cold climates, an ice barrier (self-adhering membrane) is applied at the eaves of a shingle roof MAINLY to:
a.Improve shingle color
b.Prevent leaks from water backing up behind ice dams at the eave
c.Add structural strength to the deck
d.Serve as the finished roof surface
Explanation
Ice barriers at the eaves seal against water that backs up behind ice dams, preventing leakage into the structure. They are not about color, do not add structural strength, and are an underlayment beneath the shingles, not the finished surface.
Law Reference: 2025 CA Building Code, Chapter 15 (Roof Assemblies)Practice all 700 questions free — no signup required.
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