Glossary · Bathroom terms

Fan CFM Sizing

Definition

Sizing the exhaust fan to the room — a common rule is 1 CFM per square foot, more for large baths or enclosed tub/shower areas. Undersized fans fail to clear moisture.

Source: ENERGY STAR — Ventilation Fans

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    The decorative trim plate covering the wall or deck penetration around a valve, faucet, or pipe — the visible cap over the rough plumbing.

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    The number and spacing of holes drilled in the sink or top (single, centerset 4 in., widespread 8 in.). Must match the chosen faucet — de…

  • Epoxy Grout

    A stain-proof, waterproof grout that resists the discoloration cement grout suffers in wet areas. Costlier and harder to install but the…

  • Fill Valve / Flapper

    The tank components that refill after a flush (fill valve) and release water to the bowl (flapper). The usual culprits in a running toilet.

  • Elongated vs. Round

    Toilet bowl shapes: elongated (oval, more comfortable, needs more clearance) versus round-front (compact, fits tight spaces). A clearance…

  • Fixture Clearance

    The required spacing between and around fixtures (e.g., centerline-to-wall at a toilet, space in front of a vanity). Code minimums exist;…

  • Dual-Flush

    A toilet with two flush volumes (liquid/solid) to save water. Often WaterSense-labeled; reduces water use versus single-flush models.

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