| Project and Technical Review | Opening size, installation condition, glass specification, wind exposure, thermal requirements, drainage design | Review of architectural drawings, site dimensions, hardware configuration, performance requirements, and applicable local building codes | Applicable national building codes; project-specific specifications; ASTM, EN, or AAMA requirements where applicable | Approved shop drawings, bill of materials, technical data sheet, and signed dimensional confirmation |
| Aluminum Profile and Material Receiving | Alloy, temper, wall thickness, straightness, surface condition, and traceability | Mill certificate review, alloy verification, random dimensional measurement, visual inspection, and batch identification | ASTM B221 or EN 755/EN 12020, depending on the specified profile system | Incoming inspection report, material certificate, and clearly identified production batch |
| Cutting and CNC Machining | Cutting accuracy, machining position, drainage holes, hardware pockets, and corner preparation | Calibrated tape measures, vernier calipers, angle gauges, CNC program verification, first-piece approval, and in-process checks | Approved fabrication drawings and system-specific tolerance requirements | Dimensionally compliant components with clean edges, correct hole locations, and documented first-piece approval |
| Surface Preparation and Powder Coating | Color consistency, coating thickness, adhesion, curing, gloss, and resistance to visible defects | Cleaning and pretreatment, color comparison, dry-film thickness measurement, cross-cut adhesion testing, and oven-temperature monitoring | AAMA 2603/2604/2605 or ISO 12944-related project requirements, as specified | Uniform finish without blistering, peeling, exposed substrate, excessive orange peel, or unacceptable color variation |
| Glass Processing and Inspection | Glass type, thickness, dimensions, edge quality, safety treatment, spacer condition, and seal integrity | Glass identification, dimensional checks, visual inspection under controlled lighting, edge inspection, and verification of tempered or laminated markings | ASTM C1036, ASTM C1048, ASTM C1172, or EN 12150/EN 14449 where applicable | Correct glass configuration, acceptable appearance, protected edges, and traceable safety-glass documentation |
| Hardware and Accessory Verification | Material, compatibility, operating force, corrosion resistance, locking function, and screw positioning | Part-number verification, sample operation, fastener inspection, handle alignment check, and corrosion-resistant hardware confirmation | Project specification and applicable hardware performance requirements | Complete hardware set, smooth operation, secure locking, and compatibility with the selected window or door system |
| Frame and Sash Assembly | Squareness, diagonal difference, joint quality, gasket placement, drainage path, and seal continuity | Diagonal measurement, corner-joint inspection, gasket fit check, sealant inspection, and repeated opening and closing tests | Approved fabrication drawings and applicable window and door product standards | Rigid and square assemblies with even sightlines, continuous seals, unobstructed drainage, and smooth operation |
| Dimensional and Visual Final Inspection | Overall dimensions, color, finish, glass condition, accessories, labels, and packaging readiness | Final checklist, 100% visual inspection, random dimensional sampling, protective-film inspection, and photo records | Contract drawings, approved samples, inspection plan, and agreed acceptance criteria | Signed final inspection report with nonconformities corrected or formally approved before release |
| Performance Testing | Air leakage, water penetration, structural strength, operating force, and thermal performance where required | Laboratory or controlled in-house testing using representative samples and calibrated test equipment | ASTM E283, ASTM E331, ASTM E330, AAMA/WDMA/CSA 101/I.S.2/A440, or EN 1026/EN 1027/EN 12211 | Test report showing results against the performance classes or project values specified by the buyer |
| Packaging and Pre-Shipment Inspection | Protection against scratches, impact, moisture, movement, and incorrect loading | Corner protection, separation materials, crate or carton inspection, quantity verification, loading-plan review, and container photographs | Approved packing instructions, shipping requirements, and destination handling conditions | Correct quantity and labeling, stable packing, moisture protection, and complete pre-shipment documentation |