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RADIO Window Co.
KCWindow Archive · 5 min read

Rockwell Windows: The Knox, Indiana Clad Casement Sold Across Chicago's Suburbs

An Indiana plant made aluminum-clad wood casements for the Chicago-suburb and Indianapolis markets from the late 1980s to about 2010. The parent company collapsed, the tooling was scattered, and nothing original can be made for these windows today.

What Rockwell was

Rockwell Window Company made windows in Knox, Indiana, about ninety minutes southeast of Chicago, from the late 1980s. Trade press of the early 2000s described it as a subsidiary of Barber & Ross, a Virginia millwork company with roots in the nineteenth century, serving Indianapolis and the fast-growing Chicago suburbs. Its signature product was an aluminum-clad wood casement, with awnings and companion fixed units.

Two things worth knowing about the name. The same window family was sold under three names over its life — Rockwell, Barber & Ross, and later Federal Group — so one product can carry any of the three in a builder's records. And "Rockwell" is a crowded name: the window-well company, the door-hardware company and the industrial automation company are all unrelated to the Knox window plant, and none of their product documentation applies to it.

Two generations

Rockwell's casements changed construction around 1992. The earlier sash were pin-nailed with interior wood glass stops; the later ones were screw-assembled with a rubber glazing gasket. No Rockwell catalog or specification sheet survives in any reachable form, and there is no evidence the company used named series at all, so what is known about the two generations comes from the replacement trade rather than from Rockwell itself.

What happened

The Indiana operation was sold in 2006 and continued under the Federal Group name. The parent company collapsed the following year, went through bankruptcy, and was liquidated in 2009. Production in Knox wound down and ended around 2010. The decisive event came in 2012, when the entire Knox production floor — the moulder heads, knives and patterns that are the only physical means of reproducing a Rockwell profile — was auctioned lot by lot to unrelated buyers. No single party took the tooling. That is the mechanical reason no original-profile sash can be made for these windows today.

Why it matters in Chicagoland

Rockwell sold into the same 1990s and 2000s suburban construction that R.O.W. and Pella did. RADIO's property records in Frankfort and Mokena include more Rockwell units than any other discontinued maker. These windows carry no manufacturer label; identification rests on construction details RADIO reads at evaluation, which is why the identification work carries more weight here than the parts search.

Parts today

There is no original-equipment sash, cladding or glazing component for a Rockwell window, and no entity that can confirm a replacement fits an existing frame. On RADIO's standard, that resolves the restoration path to full-frame replacement. Some original hardware does survive: the casement operators and hinges Rockwell used were a national hardware maker's standard parts and are still in production. So while there is no OEM sash, it would be wrong to say no OEM part exists for a Rockwell.

OEM vs. replica · the one question to ask

A sash fabricated by a third party to fit a discontinued window is a replacement part. It is not an original-equipment part, whatever the listing calls it, and no manufacturer stands behind it. Ask who stands behind the part.

What “OEM” means for a discontinued window

Several fabricators build replica sash for Rockwell frames, cladding included. Those are after-market parts built on the fabricator's own authority. RADIO does not treat them as returning a damaged window to its pre-loss condition; that is RADIO's workmanship standard, stated as its own, and coverage decisions remain with the carrier.

What RADIO does with a Rockwell window

RADIO identifies the system and the generation, documents the visible conditions on every affected unit, records the parts finding with its sources, and sets out the restoration path the facts support. For Rockwell that path is full-frame, and the report says why.

RADIO documents visible conditions and provides claim-related window documentation. We do not promise insurance approval, coverage, or payment, and we are not a public adjuster. Our job is clear, documented findings and clear next steps — carrier decisions remain separate.

Frequently asked questions

Is Rockwell Window Company still in business?

No. Knox production ended around 2010 and the plant's tooling was auctioned in 2012.

Are Rockwell windows labeled?

No manufacturer label was applied. Identification relies on construction details.

Can I get Rockwell replacement sash?

Not from the manufacturer. Third parties fabricate replica sash; those are after-market parts, not original equipment.

Think you
have one?

Send photos and we'll tell you — or order a Window Product Identification.