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Window Rough Opening Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
الصيغة
RO Width = Window Width + 0.5 inch; RO Height = Window Height + 0.5 inch
دليل خطوة بخطوة
- 1Add 1/2 inch to each dimension for shim space
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
أمثلة محلولة
الإدخال
36 × 48 inch window unit
النتيجة
RO = 36.5 inches wide × 48.5 inches tall
أخطاء شائعة يجب تجنبها
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
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