Identify complex &
discontinued systems.
A growing reference for complex, premium, historical, and discontinued window systems. Accurate identification is the foundation of every correct restoration path.
Examine
We examine identifying marks, hardware, glazing, and configuration in the field.
Reference
We compare findings against the archive and known system characteristics.
Document
We document the make, line, and details so decisions rest on the real product.
System reference entries
Premium Aluminum-Clad Wood Double-Hung
Aluminum-clad wood · 1990s–present
A premium double-hung system with a wood interior and aluminum-clad exterior, common in custom homes. Seal and finish condition are read at the sash level.
IDENTIFIERS
- ›Wood interior sash with clad exterior face
- ›Manufacturer marks often on hardware or jamb
- ›Insulated glazing units within each sash
Clad Wood Casement System
Aluminum-clad wood · 1990s–present
A crank-operated casement with clad exterior and wood interior, frequently used in custom and high-end builds. Hardware and configuration are line-specific.
IDENTIFIERS
- ›Crank (operator) hardware
- ›Single sash per opening that swings outward
- ›Clad exterior, wood interior
Large Fixed / Picture Clad Unit
Aluminum-clad wood · 2000s–present
A large fixed clad unit used for window walls and feature openings in custom homes. Size and configuration often require careful identification and measurement.
IDENTIFIERS
- ›Non-operating, large glazed area
- ›Often paired in window-wall configurations
- ›Clad exterior with substantial framing
Discontinued Clad Wood Line (Legacy)
Aluminum-clad wood · 1980s–2000s
A legacy clad wood line no longer in production. Exact matches are typically unavailable, so comparable considerations and documentation matter.
IDENTIFIERS
- ›Older hardware styles and profiles
- ›Marks that may no longer map to current catalogs
- ›Aging finishes and seals
Historic Wood Double-Hung
Wood · Pre-1960s
An all-wood double-hung found in historic homes and districts. Often worth identifying for preservation-minded restoration paths.
IDENTIFIERS
- ›All-wood construction, no cladding
- ›Weight-and-pulley or early balance systems
- ›Period-specific glazing and muntins
Commercial Storefront / Curtain Wall Section
Commercial · 1970s–present
An aluminum-framed commercial glazing section used in storefronts and light commercial buildings. Identification supports the correct commercial path.
IDENTIFIERS
- ›Aluminum framing with large glazed lites
- ›Mullion-and-transom grid
- ›Commercial-grade hardware and gaskets
Entries are general references and do not imply endorsement or affiliation with any manufacturer.
Don't know what
window you have?
Submit it for identification. We'll determine the make, line, and details so your plan rests on the real product.