Wood Destroying Organism (WDO) Home Inspection Practice Exam 2025 - Free WDO Inspection Practice Questions and Study Guide

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What type of concrete slab is poured directly on the soil (or gravel) without a foundation, making the area beneath it typically inaccessible?

Roof

Deck

Porch

The type of concrete slab that is poured directly on the soil or gravel without a foundation and is typically inaccessible beneath it is a patio. Patios are outdoor spaces designed for various activities and are constructed directly on the ground, making them easily accessible for outdoor furniture, entertaining, and relaxation.

This construction method allows for a flat and stable surface, but because the slab is placed directly on the ground without any foundation walls, the area beneath remains sealed and isn't designed for access or utility. In contrast, other structures such as decks or porches are usually elevated or have foundations that allow for access beneath them, either for storage or ventilation. Additionally, a roof is typically not a slab at all, but rather a covering over a structure.

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Patio

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