Floor Registers: Materials, Styles, Sizing and Care (Updated)

Floor registers cover HVAC duct openings and usually include an adjustable damper. They come in metal (painted steel, aluminum, stainless), brass/copper decorative finishes, and wood (oak, walnut, cherry, bamboo/teak options). Measure the duct opening (inside dimensions) and check the register collar size before ordering; faceplates are larger than the duct opening. Install with screws or clips, match material to the room environment, and maintain registers with regular cleaning. Decorative and custom pieces cost more than basic stamped-steel models.

What a floor register does

Floor registers (sometimes called registers) cover the openings where HVAC ducts meet a room. Unlike a simple grille, a register normally includes an adjustable damper so you can restrict or redirect airflow. Registers come in floor, wall and ceiling styles; choose the type that matches the duct location and traffic.

Materials and styles

Registers are made in a range of materials to match décor. Common metal options include painted steel, aluminum and stainless steel. Brass and copper remain popular for decorative or period homes. Wood registers are often used where a warmer, built-in look is desired; species can include oak, walnut and cherry, and some manufacturers offer bamboo or teak as well.

Design choices range from simple slotted grilles to decorative patterns - mission, basket-weave, honeycomb and other geometric styles are widely available. You can also find two-tone combinations (wood frames with metal inserts, or brass-trimmed wood) for a more finished look.

Sizing and ordering

Measure the duct opening itself (the inside dimensions) - that is the size you need for the register's collar. The visible faceplate will be larger to overlap the floor cutout. Common nominal sizes include 4x10 and 6x12, but exact offerings vary by supplier, so measure carefully and check product specifications before purchasing.

Registers are sold in standard sizes, and many vendors will supply custom sizes or custom faceplates when needed. Measure at least twice before you buy to avoid an unusable, expensive piece.

Installation notes

Floor registers typically fasten with screws into the subfloor or use spring clips for drop-in models. If you're converting a floor opening into a wall opening (or vice versa), pick a register or grille designed for that orientation - airflow patterns and damper designs differ.

Some decorative units include matching finish screws or trim kits to help installation blend with the wall or floor surface; specific hardware varies by manufacturer. ¹

Maintenance and lifespan

Keep registers free of dust and debris with regular vacuuming or a quick wipe-down. Metal registers tolerate water-based cleaners; wood registers should be kept relatively dry and can be refinished or stained if the finish wears. Replace damaged dampers or warped wooden frames to maintain airflow control and safety.

Cost considerations

Basic stamped-steel registers remain the most economical option; decorative brass, solid-wood, and custom pieces carry a premium. Prices vary by retailer, material, finish and custom work, so compare products before buying. ²

Quick decision guide

• Choose a register (with damper) where you need adjustable airflow; choose a grille (no damper) if the damper is in the duct.

• Match material and style to the room, and pick a finish that will tolerate foot traffic, cleaning and the local humidity.

• Measure the duct opening, confirm product collar size, and order a faceplate that overlaps the floor cutout.

1. Confirm common nominal register sizes offered by major suppliers (examples: 4x10, 6x12) and list the most typical sizes.
2. Verify whether modern registers commonly ship with color-matched or color-coded screws / specific trim kits for wall installation and document typical hardware provided.
3. Check current retail price ranges for basic stamped-steel registers versus decorative brass and custom wood units to provide representative price guidance.