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How much door casing do I need?

Each side of a standard door needs two legs and a head piece.

Casing (16 ft pieces)

15 pieces

Or pre-cut door kits12 kits
Casing needed224 linear ft

Estimated material cost

Casing

15 x $$25.00 per 16 ft piece

$375

Estimated total$375

Typical store prices before tax and delivery. Change any price to match your store.

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How to measure

Count the doors and decide whether you're trimming one side or both.

Tips from the field

  • Leave a 3/16 inch reveal between the casing and the edge of the door jamb.
  • Figured at 17 linear feet per side for a standard 80 inch door.

What you'll need

Door casingBrad nailerMiter sawWood glue

Common questions

How much casing for one door?

About 17 linear feet per side for a standard 80 inch door.

What is the reveal on door casing?

The small strip of jamb left showing, usually 3/16 inch.

Should I buy pre-cut casing kits?

Kits save time, but long pieces give you more flexibility for odd door sizes.

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