Filing Guide June 2026 · 6 min read

Nice Class 19 — Non-Metal Building Materials Trademark Guide

How to trademark a building-materials, lumber, or construction-products brand in Nice Class 19. What it covers, the line with metal materials (Class 6) and construction services (Class 37).

T
tmarkmetric Editorial
Based on USPTO public data
Key Facts
Class 19 covers non-metal building materials — lumber, concrete, stone, glass, ceramics, and non-metal pipes.
The mirror of Class 6: metal building materials are Class 6; non-metal ones are Class 19.
Building MATERIALS are Class 19 goods; construction SERVICES are Class 37.
Lumber, cement, roofing, and flooring brands anchor Class 19 portfolios.
Building-products companies often file across Class 19, Class 6, and Class 37.

What Is Nice Class 19?

Nice Class 19 is the trademark classification for non-metal building and construction materials. It covers lumber and timber, cement and concrete, stone, brick, ceramics and tiles, building glass, asphalt and bitumen, non-metal pipes for building, and prefabricated non-metal building components. It is the building-products class for everything that is not metal — the materials that frame, clad, roof, and finish structures.

Class 19 is defined by material, and it is the mirror image of Class 6. Where Class 6 covers building materials made of metal, Class 19 covers the same kinds of products made of non-metal materials. A wooden beam is Class 19; a steel one is Class 6. That material distinction is the core filing decision for building-products brands.

What Class 19 Covers

  • Lumber, timber, and wood building materials
  • Cement, concrete, mortar, and plaster
  • Stone, marble, granite, and aggregate
  • Brick, blocks, and non-metal masonry
  • Ceramics, tiles, and non-metal cladding
  • Building glass and non-metal windows and doors
  • Asphalt, bitumen, and roofing materials
  • Non-metal pipes and prefabricated building components

Exclusions: metal building materials are Class 6; construction and installation services are Class 37; raw chemicals and unprocessed plastics are Class 1; and semi-finished plastics and insulation are Class 17. A building-products business that both manufactures materials and installs them needs Class 19 (the goods) and Class 37 (the services).

Boundary note: The materials are Class 19; the act of building with them is Class 37. A company that manufactures roofing tiles (Class 19) and also installs roofs (Class 37) needs both. Filing only one leaves either the product or the service unprotected.

The Class 6 / Class 19 / Class 37 Triangle

Building-products companies sit at the intersection of three classes. Metal materials are Class 6, non-metal materials are Class 19, and the construction, installation, and repair services are Class 37. A full-line building-materials brand often files across all three, because its catalog spans metal and non-metal products and its business may include installation. Our Class 6 guide covers the metal side and our Class 37 guide the services side of this triangle.

Filing Strategy in Building Materials

Class 19 is largely B2B and trade-focused, sold to builders, contractors, and distributors. Brand names are frequently coined or arbitrary, so descriptiveness refusals are less common than in consumer classes — though geographic and descriptive names like "Quality Lumber" still face refusal. The main clearance considerations are the density of similar names across overlapping material categories and choosing the correct class among the several a building-products catalog can touch. Distinctive names register most easily.

Notable Brands in Class 19

  • Major cement and concrete brands — anchoring the structural-materials side
  • Lumber and engineered-wood brands — timber and building-board marks
  • Roofing and cladding manufacturers — non-metal roofing and facade products
  • Tile and ceramic brands — finish-materials marks

Common Filing Mistakes

  • Filing metal materials in Class 19: metal building products are Class 6.
  • Filing construction services in Class 19: building and installation are Class 37.
  • Descriptive and geographic names: "Quality Lumber" and similar tend to be refused.
  • Single-class filing for a full-line brand: often needs Class 6, 19, and 37.

Frequently Asked Questions

What's the difference between Class 19 and Class 6?

Class 19 covers non-metal building materials — lumber, concrete, stone, ceramics, and non-metal pipes. Class 6 covers the same kinds of building materials made of metal. The classification follows the material: a wooden or concrete beam is Class 19; a steel one is Class 6. Companies producing both file in both classes.

Are building materials and construction services in the same class?

No. Building materials are goods in Class 19 (non-metal) or Class 6 (metal). Construction, installation, and building services are in Class 37. A company that manufactures materials and also builds or installs needs both the relevant goods class and Class 37.

Is glass in Class 19?

Building glass — used as a construction material in windows, facades, and structures — is in Class 19. Glassware and household glass items, by contrast, are in Class 21. The classification depends on whether the glass is a building material or a finished household good.

Where do non-metal pipes go?

Rigid non-metal pipes for building are in Class 19, while flexible non-metal pipes and hoses are in Class 17, and rigid metal pipes are in Class 6. The combination of material and form determines the class, so a piping manufacturer may file across several.

Search Class 19 Before You File

Building-materials names overlap across the Class 6 / 19 / 37 triangle, so clearance should span all three. Use tmarkmetric to browse registered Class 19 trademarks, see which names are taken, and search the broader registry before you commit. File across the right classes for a full-line building-products brand.

Disclaimer: This guide is for informational purposes only and does not constitute legal advice. Consult a licensed trademark attorney for guidance specific to your situation.

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