Dog door advice, question and install

[earplug]

Next time, use a wall and build a box that holds another set of flaps that keeps the wind from blowing into the house. Were lucky and were able to use our rear sunroom wall. It works as a air lock.

[sniper7]

I would have seriously thought about building a header for the top since you had to cut through the 2x4s.


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Ive vey actually been thinking about this and think I will pull the inside portion off tomorrow and cut a couple pieces of 2x4 and attach them horizontally to the ones I had to cut just to make sure I can get the support. I'm not too worried since there are at least 2 if not 3 together around the door frame and the two together on the other side of the doggy door.