Profile System, Fabricator, Dealer: Who Does What in a European Window Order

A European window order has five roles: the profile system provider designs the frame, component suppliers make the hardware and glass, the fabricator builds and labels the finished unit, the importer or dealer brings it into US commerce, and the installer sets it in the opening. Each role carries different documents and different responsibility, and most disputes come from assuming one company covers all five.

The five roles at a glance

What a profile system provider does

A profile system provider is a company that designs and engineers a family of frame profiles and the parts that go with them, then supplies that system to fabricators. Its output is a catalog of cross-sections, thermal-break details, gaskets, corner connections, accessories and the technical data behind them. Schuco and Reynaers are examples of companies that work at this level in aluminum.

The provider usually does not assemble the finished window. A fabricator licensed or equipped to work with the system does that. When a quotation says a window is "built on" a given system, it describes the profile family, not who made the unit.

What hardware and glass suppliers do

Tilt-turn fittings, handles, locking points, gaskets and insulating glass units come from component makers. The profile system defines which fittings fit its grooves, and the fabricator selects the final combination. Glass is often made by a separate manufacturer, which is why a quotation should state the glass build-up (panes, coatings, gas fill, spacer) rather than only a U-value.

What a fabricator does

A fabricator turns profiles, hardware and glass into a finished window or door. It cuts and joins the frame, fits hardware, glazes the sash, checks operation and squareness, packs the unit and issues the paperwork. The fabricator is also the party that applies the label to the finished product.

This is the role that matters most for responsibility. Dimensions, hand of opening, hardware position and finish are all the fabricator's output, so shop drawings (the fabricator's dimensioned drawings for approval) come from this role. The order process shows where those drawings sit in the sequence.

What an importer and dealer do

An importer brings the goods into the United States. Under US customs law only the "importer of record" may make entry, and CBP rulings identify that party as the owner or purchaser of the goods, or a licensed customs broker appointed for them. The importer of record acts as principal on the customs bond. For ocean cargo, the importer also files an Importer Security Filing with ten data elements, including the importer of record number, no later than 24 hours before the cargo is loaded at the foreign port.

A dealer sells the product to the end buyer. A dealer may also be the importer of record, or may buy from an importer. Two sellers can look identical on a website while holding very different legal positions, so ask in writing who the importer of record is for your shipment. Customs rules change, so confirm current requirements with a licensed customs broker.

What an installer does

The installer sets the unit in the rough opening, shims, fastens, seals and integrates the window with the water-resistive barrier and flashing. Installation is almost always local work, performed by the builder's crew or a local contractor, and it sits outside the factory's control. Rough opening size, sill pan details and sealant choices are installation decisions that affect water performance as much as the window itself.

Where NFRC certification sits

The National Fenestration Rating Council certifies products through a process involving the manufacturer that applies, an accredited laboratory that tests and simulates, and a licensed independent inspection agency that reviews reports and inspects the plant. Certified products are listed in the NFRC directory and carry the NFRC label with their ratings. NFRC also states that physical testing is mandatory for air leakage.

Two consequences follow. First, a system provider's test reports describe the profile system, while an NFRC label describes a specific finished product configuration. Second, an NFRC claim is only useful if it names the certificate holder and the exact configuration (size, glass, frame) you are buying. Whether a given European unit carries an NFRC label depends on the product, and this guide makes no claim about any particular one. For how codes treat labels, see whether European windows meet US code.

Where warranty and responsibility sit

Warranty terms are contractual, so the table below shows where a problem typically points first, not a legal rule.

A warranty is only as clear as the document that states it. The useful questions are who issues the warranty, which parts and causes it covers, and who the buyer calls first. Imported products add a further point: ask which entity handles claims in the United States, because the warranty is only practical if someone reachable commits to it.

Questions to ask in writing

• Name the profile system and the fabricator of the unit.
• State who the importer of record is and who arranges customs entry.
• Confirm who issues the warranty and who handles claims in the US.
• Request the NFRC certificate holder and the configuration it covers, or confirm that none exists.
• Specify who approves shop drawings and who is responsible for dimension errors.
• Identify who installs, and which installation instructions apply.

For the wider comparison with domestic supply, see European vs American windows. Unfamiliar terms are defined in the window and door glossary.