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Как да изчислим Door Rough Opening

Какво е Door Rough Opening?

Door Rough Opening Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Формула

RO Width = Door Width + 2 inches; RO Height = Door Height + 2.5 inches

Ръководство стъпка по стъпка

  1. 1Add framing clearance to door dimensions for rough opening
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Worked Examples

Вход
32 inch × 80 inch door
Резултат
RO = 34 inches wide × 82.5 inches tall

Common Mistakes to Avoid

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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