That this far into the Hill Country edge, attics and exterior walls are freeze exposure, not insulation theater. The pattern since is consistent: insulate and, where the plan allows, relocate the vulnerable runs; know the shutoff and the meter key before the cold arrives; and after any freeze, walk the attic lines before the thaw does the announcing. Cleanup scopes after a freeze burst should name the protection corrections in the same paperwork as the drying.
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