June 28, 2026 · 7 min read · TQF team

Stairs, Moldings, and Transitions: The Final 5% That Makes or Breaks a Chicago Install

The "Finished" Look vs. The "Installed" Look

Most homeowners and some contractors focus entirely on the field of the floor—the planks. But the difference between a professional installation and a DIY-looking job is in the transitions. In Chicago's older bungalows and renovated condos, the transitions are where the most errors occur. If you don't spec your moldings and stair components at the same time as your flooring, you end up with "close enough" colors that clash under LED lighting.

At TQF, we categorize stairs and moldings separately from our flooring because they serve different structural purposes, even when they match the same species and finish.

Mastering the Transitions

Transitions are not one-size-fits-all. Using the wrong profile creates a trip hazard or a gap that collects dust.

T-Molding: Used when transitioning between two floors of the same height (e.g., Mirage engineered oak to another room with the same product). It covers the expansion gap—typically 1/4" to 1/2" depending on the brand—without nailing into the floor.

Reducer: Essential when moving from a thicker hardwood to a thinner surface, like a 3/4" solid oak floor transitioning down to a 3/8" ceramic tile in a kitchen. It creates a tapered slope to prevent toe-stubbing.

Stair Nose: The rounded edge of the tread. For a built-in look, the nose must match the plank's wear layer thickness and finish exactly.

Quarter Round/Shoe Mold: The final touch that covers the gap between the floor and the baseboard. In Chicago's high-humidity summers (70%+ RH), floors expand; the quarter round allows this movement without the baseboard pushing off the wall.

The Staircase Challenge: Treads and Risers

Stairs are the highest-traffic areas in the home. You cannot simply use flooring planks as treads; they lack the structural thickness to handle the shear force of a footstep.

Treads vs. Risers:

The tread is the horizontal surface you step on. The riser is the vertical piece. For a modern look, many are opting for "painted risers" (usually white) with hardwood treads. For a traditional look, both are matched.

Pre-finished vs. Unfinished:

If you are using a pre-finished line from Lauzon or Kährs, we provide matching pre-finished stair components. This ensures the factory-applied finish—which is significantly harder than site-applied finishes—is consistent. However, if you are doing a historic restoration in a Gold Coast brownstone, unfinished treads are the way to go. This allows your contractor to sand and seal them on-site using Bona or Loba finishes to match the exact patina of the existing home.

Baseboards and the "Built-in" Aesthetic

Baseboards tie the room together. A 3.25" baseboard is standard for modern condos, but 5.25" or taller is required for the proportions of older Chicago homes with 10-foot ceilings.

When selecting baseboards, consider the expansion gap. If you are installing a wide-plank floor (7" or wider), the movement is more pronounced. Your trim must be installed to allow the floor to breathe without buckling.

Specifying Your Package

When we quote a job, we look at the "complete package." A typical residential project requires:

1. The Field: (e.g., DuChateau or Bjelin engineered planks).

2. The Transitions: T-molds for doorways, reducers for tile transitions.

3. The Stairs: Matching treads and nosing.

4. The Perimeter: Baseboards and quarter rounds.

Getting Your Samples

To ensure the trim matches your floor and your wall paint, you need to see the physical product in your home's lighting.

Our Sample Policy:

Samples are available for PICKUP ONLY at our Schiller Park or Bridgeview showrooms. There is a $50 refundable deposit per sample. We do not ship samples and they are not free. This ensures our inventory remains available for active projects and that you get the exact spec you need.

Finalize Your Spec

Don't leave your transitions to chance. Whether you are a contractor needing a bulk quote or a homeowner planning a renovation, we can spec your entire package in minutes. Visit our Schiller Park or Bridgeview showrooms to see the matching moldings in person or call us for a quote.