Short answer. For a 400 Series Frenchwood gliding patio door, Andersen lists frame or jamb weatherstrip as handed in line with the door unit and interlock weatherstrip between the stationary and operating panels as non-handed. This is a distinction between component categories, not a manufacturer-verified map of separate operating-side and stationary-side jamb seals. Identify the actual seal location before investigating a replacement.
Is the damaged contact at the frame/jamb or the panel interlock?
Use an exterior-view reference when recording the door configuration. Andersen defines unit handing by the operating panel’s position as viewed from outside: its illustrated two-panel examples place the operating panel on the exterior left for a left-handed unit, and on the exterior right for a right-handed unit. This does not locate two distinct jamb seals.
A practical identification pass
- With the door closed, draw a simple rectangle and label EXTERIOR VIEW; mark which panel operates. This preserves the same left/right reference used by Andersen.
- Mark the exact affected location: frame/jamb edge, head/sill contact (if relevant), or panel meeting edge. Do not treat “side weatherstrip” as a confirmed part identity; this article does not classify every head or sill seal.
- Photograph the whole opening, then take a closer photo that includes the frame and the contact line. Keep the orientation label in both.
- Compare the observed location with Andersen’s category-level distinction: frame/jamb weatherstrip is handed; interlock weatherstrip between stationary and operating panels is not. That comparison does not tell you whether a specific stationary-side-jamb part is interchangeable.
- If someone recommends changing a complete panel because the unit handing is wrong, separate that question: Andersen also says the Frenchwood active panels are universally drilled for use in either left- or right-handed units. This is not evidence that every seal or accessory transfers.
When your evidence is enough
Documented category: the exterior-view handing convention and the frame/jamb versus panel-interlock distinction align with Andersen’s Help Center. Unconfirmed replacement: a shape photo, assumed vintage, or generic “side jamb” label cannot establish a matching part; obtain the exact model and manufacturer component listing. Stop: if the seal type, door series or configuration differs or the frame is damaged, do not infer fit from this guide. Separate article boundary: NW0057 addresses the manufacturer’s distinct part-2641414 stationary-side-jamb listing; no SKU, length, adhesive or fit instruction is imported here.
Source note. Andersen Help Center, article 000006260, sections “Details,” “Handed Components,” and “Non-Handed Components” (online, footer ©2024); see primary source in References. The Help Center page does not identify two opposed jamb seal positions or establish a specific SKU, size, installation method or exact fit.