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How to Measure a Door

Education Center: How to Measure a Door Quiz

Answer 8 out of 10 questions correctly to pass the quiz!
1. When checking the frame, you should look for _____. *This question is required.
2. When determining whether a door needs to be replaced, make sure you also check the __. *This question is required.
3. When checking the door slab itself, look for: *This question is required.
For Reference Only. Look for these characteristics when recommending a replacement entry door:
  • The door frame is rotting, deteriorating or cracked.
  • There are air gaps letting energy escape.
  • The door does not open or close properly.
  • The door is warped, cracked or dented.
  • The subfloor under the door is rotting or deteriorating.
  • The glass in the door is collecting moisture.
  • The door is not sealing properly and water is entering the home.
4. The “rough opening” includes measurements for the wall depth, header to floor, and ___. *This question is required.
5. To calculate the estimated unit width, add ___ to the jamb measurement to account for the door frame. *This question is required.
6. To calculate the ________, add ¾ inch to the unit width measurement. *This question is required.
7. To calculate the height of the rough opening, measure from the ______. *This question is required.
8. When measuring height for the estimated unit size, add __ to account for the frame. *This question is required.
9. To measure the correct depth, measure from the ___ *This question is required.
10. To measure the correct depth, add ___ to the door slab depth. *This question is required.
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