How To Frame A Header For A Sliding Glass Door

When in doubt build a double 2 12 header sandwich like we explain next.

How to frame a header for a sliding glass door.

If the door is not framed correctly the door will not stay in place. Non load bearing windows and doors do not require a structural header. When installing a sliding door the frame is going to require the most attention. Be sure to check code requirements prior to framing.

To make the door header the top of the door frame cut two 2x4s to the same length as the width of the original opening and nail them securely together. In all but the most bizarre situations they ll easily carry the weight for 4 ft. Wide a common patio door width. This is the actual thickness of a 2x4.

You can access a free copy of the 2012 international building code here. Also be aware double or triple jack studs may be required based on the opening width and the load the header carries. Cut the door header. When in doubt use 2 by 12 inch headers.

For instance in the basement remodel all the doors have simple 2 4 framing around them. Between 4 and 5 feet the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2 by 12. Most door frames that are 4 feet wide or less require a 2 by 6 header. Section r502 5 shares allowable girder and header spans.

The steps to frame a sliding door and the tools required for the job are listed below. You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.