Carpentry Floor System (Module 5) Questions and Answers | Latest Version | 2024/2025 | Correct & Verified

Carpentry Floor System (Module 5) Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What are floor joists? Horizontal beams that support the flooring and distribute loads to the foundation What is the purpose of a rim joist in a floor system? To support the outer edge of the floor system and provide a fastening point for the walls What is the difference between a wood floor system and a concrete floor system? A wood floor system uses wood joists and subflooring, while a concrete floor system uses poured concrete as the base What does the term "spacing" mean in relation to floor joists? The distance between the centers of adjacent floor joists What is a subfloor in carpentry? 2 The layer of material installed over the floor joists, providing a solid base for the finish flooring What is the purpose of a sill plate in a floor system? To anchor the floor system to the foundation walls What is a ledger board used for in floor systems? To provide support for the ends of floor joists in elevated floors or decks What does "level" mean in the context of a floor system? A condition where the floor is perfectly flat and even, with no high or low points What are bridging or blocking used for in a floor system? To prevent the floor joists from twisting or bowing and to distribute loads What does "cantilever" mean in a floor system? A portion of a floor that extends beyond the support without additional bracing underneath 3 What is the role of a bearing wall in a floor system? To support the load of the floor joists and transfer it to the foundation What is the function of a crawl space in relation to the floor system? It is a shallow space between the ground and the floor system that allows access to plumbing and electrical components What is a diaphragm in a floor system? A structural element, usually plywood or OSB, used to help resist lateral forces and maintain the floor’s stability What is the purpose of a header in floor framing? To provide support for openings in the floor, such as doorways or stairwells What are the common materials used for subflooring? Plywood, oriented strand board (OSB), or tongue-and-groove