The technical context for manufacturers of aluminum windows is broader than one product data sheet. Independent guidance on access, glazing safety and envelope joints helps explain what the project team should verify before a DAW configuration is approved.
U.S. DOE — Fenestration Energy Purchasing Guidance
Source summary: DOE purchasing guidance calls attention to fenestration air leakage as an energy pathway. A high-performing glass package can therefore be undermined if the frame perimeter or operable joints are poorly controlled. For the manufacturers of aluminum windows review, this source is being used to frame the opening-specific check rather than to supply a DAW product value.
Connection to Manufacturers of Aluminum Windows: Applied to manufacturers of aluminum windows, the source supports checking frame/perimeter leakage paths and operable seals rather than assuming a glass value describes the whole opening.
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U.S. Department of Energy — Air-Sealing Guidance
Source summary: DOE separates stationary joints from moving joints: caulk is generally used at fixed cracks around frames, while weatherstripping is used where doors and operable windows move. The two joint types need different detailing and maintenance. The relevance to manufacturers of aluminum windows is therefore procedural: use the principle to verify the opening, then confirm the selected DAW configuration separately.
Connection to Manufacturers of Aluminum Windows: For manufacturers of aluminum windows, separate the fixed frame-to-wall joint from moving seals. Glass build-up should be detailed so cleaning and replacement do not compromise the perimeter air/water line.
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U.S. CPSC — Architectural Glazing Safety Standard
Source summary: CPSC identifies exterior/interior doors and patio-type sliding glass doors among the architectural products covered by the federal safety-glazing standard. The location of glass within a door assembly therefore carries safety implications beyond appearance. For manufacturers of aluminum windows, this summary is used as an external check on the project decision, not as a substitute specification.
Connection to Manufacturers of Aluminum Windows: With manufacturers of aluminum windows, large or highly visible glass areas still need location-appropriate safety review; appearance and safety should be specified together.
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Project boundary: These references explain general design context for manufacturers of aluminum windows; they do not certify a DAW product or establish project-specific code compliance. Confirm final glass build-up, dimensions, ratings, hardware and local requirements separately.