Sentence 9.27.7.5.(5)

  1. OH1
  2. OS2

Objective

OS2 Structural Safety

Attribution

Intent

Intent 1:

To limit the probability of water draining down the face of the wall and returning under shingles or shakes, which could lead to rotting of shingles or shakes, or corrosion of fasteners.

This is to limit the probability of the displacement of shingles or shakes, trim and flashing, opening of joints or failure of caulking, which could lead to:

  • precipitation or meltwater ingress, which could lead to deterioration, which could lead to the structural failure of exterior walls or elements protected by exterior walls, or
  • falling cladding components.

This is to limit the probability of harm to persons.

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