Q&A / 

2×6 Window Header

Tommy Cummings is perplexed in Fife Lake, MI.

Here's one of the shortest questions I've ever received.

"I'm using 2x6 studs.

How is the correct way to build my window headers?"

Well here's my answer:

Two Or More Methods

Tommy, there's two parts to this answer, the method and the engineering solution.

Different carpenters will do this job differently. Your challenge is to create a flush header on each side of the wall.

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Sandwich A Flat 2x3

As for method, what you do is take two pieces of framing lumber and stand them up on end. These might be 2x6's, 2x10's or even 2x12's.

You then take a 2x3 and it goes flat in between the two larger pieces. If you add up the thickness you get to the 5.5 inches which is exactly what you need as a 2x6 is 5.5 inches wide.

Closed Cell Foam Filler

This u-shaped framing member has a hollow spot in it for 2.5 inches of closed cell foam insulation. Believe me, you want to put this in.

You need to put the insulation in the header as you build it. If you try to put it in later, the jack studs that support the header will make your life miserable.

The biggest issue you're facing is the size lumber to use. That depends on the load over the window. I can't help you there as I don't have your plans.

Realize that for any rough opening 6 feet or less, you can get away with 1.5 inches of bearing at each end of the header.

For openings wider than 6 feet, you need 3 inches of bearing.

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