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Step 3 · Measure Opening Length

Using a measuring tape, measure the distance between the interior edges of the framing at the top and bottom of the existing attic opening. This measurement represents the rough opening length.

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Step 3 · Measure Opening Length

Using a measuring tape, measure the distance between the interior edges of the framing at the top and bottom of the existing attic opening. This measurement represents the rough opening length.

Videos for this step

Measure the Attic Opening and Ceiling HeightVerify Rough Opening DimensionsMeasure Attic Rough Opening

Tools and Materials

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How to Measure an Attic Ladder Rough Opening

Step 3 of 4·15 min left

Locate Existing Attic Opening
5 minutes1 items
Measure Opening Width
5 minutes1 items
3
Measure Opening Length
5 minutes1 items
4
Determine Required Ladder Size
10 minutes2 items
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