ODM is a term that gets used loosely in international trade, and it's worth defining clearly before discussing arched PU beams. ODM — Original Design Manufacturing — means the manufacturer takes responsibility for the design and development of a product, while the client contributes the brand, the distribution, or the project specification.
For arched polyurethane decorative timber beam profiles, ODM sits between two other common service models:
OEM (Original Equipment Manufacturing): The client provides a complete design specification, and the manufacturer produces to spec. The client owns the design.
ODM (Original Design Manufacturing): The manufacturer proposes the design, often based on a client concept or a market trend. The client may refine the design or accept it as proposed. The manufacturer owns the underlying design.
Private Label: The manufacturer produces an existing product with the client's branding. The client has no design input.
ODM is the right model when the client has a clear product concept but doesn't have the in-house capability to develop the detailed design — the cross-section, the curve geometry, the mold engineering, the finishing system. The factory contributes the engineering and the production capability, and the client contributes the project context and the brand.
When ODM works for arched beams
Arched PU beams are a strong fit for ODM collaboration because the design challenge combines multiple engineering disciplines that most clients don't have in-house.
Cross-section design
A rectangular beam cross-section is straightforward. An arched beam cross-section adds a curve dimension that affects everything from mold design to grain orientation. A factory that has developed arched beams before can propose a cross-section profile that captures the architectural intent while remaining producible.
Curve engineering
The arch's radius, rise, and span determine the curve's geometry. The factory can propose a curve that fits the project context — a specific ceiling height, a specific span, a specific aesthetic — and engineer the curve to be moldable. Clients without curve engineering expertise often propose curves that are technically challenging or impossible to mold cleanly. The ODM factory adjusts the curve to be producible while preserving the visual intent.
Grain texture design
Grain on an arched beam requires the design decisions discussed in our previous article on curved grain: neutral axis, radial, or diagonal grain direction. An experienced factory can recommend the best grain direction for a specific curve and propose a grain texture that complements the architecture.
Mounting system design
Arched beams require custom mounting brackets, as discussed in our article on curved beam brackets. The factory's engineering team can design a bracket system that matches the beam and the building structure, rather than the client specifying a bracket system that may or may not be producible.
The ODM process for an arched beam profile
A typical ODM engagement for an arched beam profile follows a defined sequence.
Phase 1: Concept and brief alignment (1 to 2 weeks)
The client brings a concept — a sketch, a project reference image, a description of the desired look. The factory's design team translates the concept into a preliminary specification that addresses:
- Overall arch geometry (radius, rise, span)
- Cross-section profile and dimensions
- Approximate beam length
- Installation context and mounting requirements
- Finish direction (single-tone or multi-tone)
The output of this phase is a written specification that both parties agree represents the project intent. Misalignment at this phase is the most common source of project problems later.
Phase 2: Design development and engineering (2 to 4 weeks)
The factory's engineering team develops the design in detail:
- CAD modeling of the cross-section and the curve geometry
- Mold feasibility analysis (draft angles, undercuts, parting line)
- Initial grain texture selection or development
- Mounting system design
- Foam formulation selection (standard or custom)
The output is a set of CAD drawings, a written specification, and a preliminary cost estimate. The client reviews the drawings and either approves them, requests modifications, or rejects the direction.
Phase 3: Mold development (4 to 10 weeks)
If the design is approved, the factory develops the production mold following the standard mold development process. The mold timeline depends on the profile complexity.
For an arched beam with a simple cross-section and standard grain texture, mold development takes 4 to 6 weeks. For an ornamental arched beam with custom grain texture, mold development can take 8 to 10 weeks.
Phase 4: Trial samples and validation (2 to 4 weeks)
The factory produces trial samples using the new mold. The samples are finished in the closest available representation of the specified finish. The client reviews the samples against the original concept and approves the direction.
Approval at this phase commits the project to production. Changes requested after this phase are expensive and may require new mold modifications.
Phase 5: Production (varies by quantity)
Production follows the standard PU beam manufacturing process. For an arched beam profile, production is slower per piece than for straight beams because of the mold complexity, the longer pour time, and the careful demolding required for curved parts.
Phase 6: Delivery and installation support (2 to 6 weeks for shipping)
The finished beams are packaged and shipped. For ODM projects, the factory often provides installation support — installation drawings, hardware specifications, and on-call consultation during installation.
Who owns what in an ODM project
ODM arrangements involve ownership questions at three levels:
Design ownership
In a pure ODM arrangement, the factory owns the design — the cross-section, the curve geometry, the grain texture. The client has a license to use the design for their branded products but cannot commission another factory to produce the same design.
In a hybrid arrangement, the client may retain ownership of specific design elements — a custom finish system, a proprietary grain texture, a brand-specific ornamental detail. These elements can be removed from the design if the client leaves the ODM arrangement.
Mold ownership
This should be negotiated explicitly, regardless of the ODM arrangement. The mold represents a significant asset — typically $5,000 to $20,000 in value — and the question of who owns it after the project ends matters for both parties.
The two common arrangements:
Client-owned mold: The client pays the full tooling cost upfront and retains ownership of the mold. The factory stores and maintains the mold and produces beams for the client on demand. The factory may also produce beams for other clients using the same mold unless the contract prohibits it.
Factory-owned mold: The factory absorbs the tooling cost and amortizes it into the per-piece price. The factory owns the mold and may use it to produce beams for other clients. The client pays for the design and the production, but does not own the asset.
For most ODM arrangements, the client-owned mold is preferable because it gives the client maximum flexibility for reordering or changing factories.
Intellectual property
If the ODM factory develops a unique grain texture or finish system during the project, that IP needs a clear ownership assignment. The two common approaches:
- The factory retains the IP and licenses it to the client for the duration of the supply relationship
- The IP transfers to the client, with the factory retaining a non-exclusive license to use the IP for non-competing products
The right answer depends on the relationship, the volume, and the strategic importance of the IP. A long-term ODM arrangement with a significant volume typically justifies client ownership. A short-term arrangement with limited volume typically leaves the IP with the factory.
Cost structure for ODM arched beams
ODM projects have a different cost structure than OEM projects because the factory contributes design and engineering effort. The cost components:
- Design and engineering: The factory's time and skill in developing the design, including CAD modeling, mold feasibility analysis, and sample production. This is typically folded into the tooling cost or charged as a separate one-time fee.
- Tooling: The mold cost, including the master pattern, the production mold, and any trial cycles. Same as an OEM project.
- Per-piece production: The per-beam cost including raw materials, labor, finishing, and packaging. Slightly higher than an OEM project because ODM projects have lower volumes per design — the factory is producing for one client rather than spreading the cost across multiple clients.
- Ongoing engineering support: Any design refinements, finish adjustments, or installation support that occurs after the initial production. Charged at hourly rates or as part of the per-piece cost.
For a typical ODM arched beam project with 50 to 200 pieces, expect total project costs in the $15,000 to $80,000 range, depending on complexity, finish, and shipping.
Choosing an ODM partner for arched beams
Not every factory is a good ODM partner for arched beams. The right factory has:
- Experience with curved beam production specifically (not just PU molding in general)
- In-house CAD design capability for beam profiles
- In-house grain texture development capability
- A track record of ODM projects with international clients
- Clear ownership and IP policies in writing
- Project management capability for multi-month engagements
A factory that only does OEM work — taking a complete spec from the client and producing to spec — is not the right partner for ODM. A factory that only does private-label work — producing stock products with the client's brand — is also not the right partner.
The ODM partner is a factory with engineering capability, design taste, and the willingness to invest time in developing a product that doesn't yet exist. The factories that do this well have been doing it for years and have the project references to prove it. Ask for those references.
ODM is a collaboration, not a transaction. The best ODM partnerships produce designs that neither party could have produced alone.
Technical References
ASTM standards cited in every specification
Test Data
Lab results from internal testing program
Updated 2026
Reviewed against current product specs
