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Which of these practices is discouraged for roofing systems due to requiring more frequent maintenance?

  1. A pitch pockets

  2. B two ply membrane Underlayment

  3. C water and ice dam protection

  4. D built up roofing

The correct answer is: A pitch pockets

Pitch pockets are discouraged for roofing systems due to requiring more frequent maintenance. Pitch pockets are prone to developing cracks and leaks over time, which can lead to water infiltration and damage. The need for regular maintenance and repairs makes pitch pockets a less favorable option for roofing systems compared to other choices listed. Options B, C, and D are all more reliable and durable choices for roofing systems, which require less frequent maintenance compared to pitch pockets.