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How should the reinforcement component of a built-up roof system be installed?

  1. Exposed to the elements for increased durability.

  2. Applied on top of the waterproofing material.

  3. Embedded between layers of waterproofing material.

  4. Installed separately from the waterproofing material.

The correct answer is: Embedded between layers of waterproofing material.

The correct approach for installing the reinforcement component of a built-up roof system is to embed it between layers of waterproofing material. This method enhances the structural integrity of the roofing system, providing added strength and resistance against damaging factors such as moisture and UV exposure. Embedding the reinforcement helps to create a more effective barrier, as it allows the waterproofing materials to bond securely around the reinforcement. This integration helps to distribute stress evenly across the roof surface and enhances the overall durability of the roof system. In contrast to other options, exposing the reinforcement to elements can significantly undermine its effectiveness, as it may degrade due to weather exposure. Applying it on top of waterproofing material does not provide the necessary protection that embedding offers, while installing it separately from waterproofing would leave the reinforcement vulnerable and diminish the system's overall performance.