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Reference Standard: Relevant material and performance testing standards should be selected only after the panel material, construction, and project requirements are confirmed. When sourcing garage doors panels, model dimensions and color descriptions are useful starting points, but they do not provide a complete material specification. The available catalog identifies four panel records—BT-P801, BT-P802, BT-P803, and BT-P804—with verified panel type, width, thickness, and color fields. Those facts can support an inquiry, but they should not be extended into assumptions about facing material, core construction, coating systems, insulation, or durability. Garage Doors Panels: Verified Model and Size Fields The catalog confirms four identified panel models with widths of 450–550 mm and listed … 続きを読む