What does kiln-carved mean on a glass bar top?

Kiln-carving is a process in which glass is fired in a kiln over a textured bed — in this case, a hand-worked sand surface — so the heat softens the glass and allows it to take on the precise contours of the texture beneath it. The result is a surface that is permanently part of the glass, not applied to it. The texture lives on the underside, meaning the top surface stays smooth and cleanable while the visual depth lives below, amplified by the LED light source behind it.

How is a glass bar top supported without drilling through the glass?

Three cantilevered steel brackets, anchored into the bar structure below, carry the full load of the glass surface. The glass rests on the bracket faces and is bonded with ultra-clear silicone — no hardware passes through the glass at any point. This eliminates stress concentration points, aesthetic intrusion, and future maintenance issues caused by through-drilling.

How does the LED lighting system work inside a kiln-carved glass bar top?

The Ambiance Machine™ RGB LED system mounts along the interior edge of the bar structure and fires light upward through the glass. The carved texture catches and scatters that light, creating a surface that appears to glow from within. The system operates across 8 million color combinations at 0–100% intensity, with programmable scenes and optional photocell trigger that activates the bar automatically at dusk.

What are the maintenance requirements for a kiln-carved glass bar top?

The surface requires no special treatment. The top surface is smooth polished glass — cleaning is the same as any glass surface, a damp cloth or standard glass cleaner. No sealing, no waxing, no periodic treatment required. Low-iron glass is non-porous, does not stain, and does not react with alcohol, citrus, or cleaning products.

How was the wave texture pattern developed for the Mantoloking glass bar top?

The texture was designed interactively — client and craftsman working from the bar's geometry and the room's flow to arrive at a pattern that felt native to the space. Once the bar base drawings were confirmed, multiple textural iterations were developed. The client selected the wave pattern, which was then scaled and anchor-pointed so the hand-worked sand bed in the kiln matched it as faithfully as the process allows.

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Custom glass stair treads with blue LED illumination by Downing Designs Tampa Florida

Glass Stair Treads
The Ambiance Machine™

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The staircase
as the statement.
Every time.

Custom architectural glass stair treads with integrated LED lighting — designed, fabricated, and installed by Jeff Downing since 2000. Each tread is kiln-formed, hand-textured, and engineered for the specific load, span, and aesthetic of your staircase.

The result is a staircase that doesn't just connect floors. It becomes the first impression — the piece guests photograph, the detail that defines the space from the moment they walk in.

Specifications

Glass Type Tempered, heat-strengthened, ultra-low-iron

Thickness 1½″ standard — custom thickness available

Texture Hand-carved in Tampa studio, kiln-fired, each unique

Lighting Integrated LED, IP-67 rated, full RGB color control

Tread Nose Polished, beveled, or custom profile available

Installation Nationwide — personal installation by Jeff Downing

Why Glass Stair Treads by Downing Designs

Integrated LED Lighting

Edge and under-tread lighting systems engineered into each tread from the start. IP-67 rated for moisture resistance. Full RGB color control — the staircase transforms with the room.

Hand-Carved Texture

Every tread is carved by hand and kiln-fired. The texture catches and refracts LED light in ways that cast glass cannot replicate — each tread unique, each staircase one of a kind.

Ultra-Low-Iron Glass

Standard glass has a greenish tint that mutes color and depth. Ultra-low-iron glass is optically clear — letting light travel through the full depth of the tread without distortion.

Engineered for Load

Every tread is specified for the structural requirements of your staircase — span, load rating, support configuration. Tempered and heat-strengthened to code for residential and commercial applications.

Custom Profile

Tread nose profile — polished, beveled, or custom — specified per project. Risers, stringers, and support hardware coordinated with your architect or contractor.

Personal Installation

Jeff Downing performs every installation personally. No third-party crews, no handoff risk. The staircase arrives exactly as designed — and stays that way.

Select Portfolio — Glass Stair Treads 7 Projects

Glass stair treads St Petersburg Florida spiral

Glass stair treads St Petersburg Florida LED detail

Glass stair treads kiln-formed LED Tampa

Glass stair tread LED detail Downing Designs

Glass stair treads rendering Downing Designs

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Every project begins
with a single
phone call.

Tell us about your staircase — the span, the light, the feeling you want walking into the space. We will tell you what is possible. No forms, no wait — just a direct conversation with the person who will build your treads.

813.784.5211 We Text 7 Days
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Downing Designs

Tampa, Florida
downingdesigns.com
Made in Tampa. Installed Coast-to-Coast.