Materials | Cleanfrhouseen

THE BUILDING BLOCKS

Material selection defines furniture character. We work exclusively with premium hardwoods, refined metals, and architectural-grade finishes. Each material is chosen for its beauty, durability, and ability to age gracefully over decades of use.

HARDWOODS

AMERICAN BLACK WALNUT

Rich chocolate brown with complex grain patterns. Walnut is our signature wood—dense, stable, and strikingly beautiful.

Janka Hardness: 1,010 lbf
Origin: Eastern United States
Characteristics: Deep brown tones, straight grain with occasional swirls
Best For: Dining tables, desks, bedroom furniture
Finish Options: Natural oil, satin poly, matte lacquer

WHITE OAK

Warm honey tones with prominent ray fleck patterns. Oak offers timeless aesthetics and legendary strength.

Janka Hardness: 1,360 lbf
Origin: Eastern United States
Characteristics: Light golden brown, distinctive ray flecks
Best For: Shelving, cabinets, structural pieces
Finish Options: Natural, weathered gray, espresso stain

YELLOW BIRCH

Pale cream with subtle grain. Birch provides a minimalist canvas for modern designs.

Janka Hardness: 1,260 lbf
Origin: Northeastern United States
Characteristics: Light cream color, fine straight grain
Best For: Contemporary pieces, Scandinavian designs
Finish Options: Clear coat, white wash, light stains

HARD MAPLE

Nearly white sapwood with subtle figure. Maple is exceptionally hard and ideal for high-use surfaces.

Janka Hardness: 1,450 lbf
Origin: Northern United States
Characteristics: Cream to light tan, occasional curly figure
Best For: Countertops, work surfaces, butcher blocks
Finish Options: Natural, honey tone, custom stains

METALS & ACCENTS

STEEL

Hot-rolled and cold-rolled steel for structural frameworks, bases, and industrial accents. Available in raw, powder-coated, or clear-coated finishes.

Finishes: Matte black, raw steel, brushed, clear coat

BRASS

Solid brass hardware, inlays, and accent details. Develops natural patina over time or can be lacquered for permanent shine.

Finishes: Polished, brushed, antiqued, unlacquered living finish

STAINLESS STEEL

304-grade stainless for modern applications. Corrosion-resistant and maintenance-free with contemporary aesthetics.

Finishes: Brushed, mirror polish, satin

GLASS & SPECIALTY MATERIALS

TEMPERED GLASS

3/8" and 1/2" tempered safety glass for tabletops, shelves, and transparent elements. Available in clear, low-iron, and tinted options.

Edge options: Polished, beveled, or raw-cut industrial

LEATHER

Full-grain vegetable-tanned leather for upholstered surfaces, drawer liners, and decorative panels. Ages beautifully with use.

Colors: Natural tan, dark brown, black

CONCRETE

Cast concrete for industrial-modern applications. Can be pigmented, polished, or left raw for brutalist aesthetics.

Custom colors and aggregate options available

WOOD FINISHES

OIL FINISHES

Penetrating oils enhance grain and provide natural protection. Easy to maintain and repair.

Danish Oil: Low-luster satin finish
Tung Oil: Water-resistant natural protection
Hard Wax Oil: Durable matte finish

Best for: Dining tables, desks, surfaces requiring maintenance flexibility

FILM FINISHES

Surface-building finishes provide maximum protection and consistent appearance.

Satin Polyurethane: Durable, low-maintenance
Matte Lacquer: Ultra-smooth modern finish
Conversion Varnish: Professional-grade protection

Best for: Cabinets, shelving, high-use commercial pieces

SUSTAINABLE SOURCING

We source hardwoods from sustainably managed forests and FSC-certified suppliers whenever possible. Local sourcing reduces transportation impact. Offcuts are repurposed or donated to woodworking schools. We believe quality furniture should honor both craft and environment.

WANT TO SEE SAMPLES?

Visit our Denver workshop to see, touch, and compare materials in person. We'll help you select the perfect combination for your project.

Schedule a Visit