Get quotes from a few places. I just installed two doors and it was a rough experience. I went with Holmes gold series, r13, double steel with upgraded hardware. I have very limited clearances on sides and headroom so I built out my opening and added 3" of overhead, installed low headroom tracks, with rear mount torsion springs. If something could go wrong it did. Doors took almost 3x as long to come in as originally estimated and were damaged. The replacement panels were also damaged, but not as bad and were usable. The angle iron the lumber yard provided was not strong enough and flexed causing issues as soon as I wound the spring. In the end I figured it out, and am happy with my doors, but I will not be going to the lumbar yard near my work ever again. All in I ordered doors in August and finished the install beginning of the month. I'm still waiting for a partial refund and touch up paint from the lumbar yard.
I'm confident in my ability to replace the other doors I have. I have and I learned a lot, but if I were to do it all over I might have just paid one of the companies I had come give me a quote. The total cost would have been more, but it likely would have saved me a considerable headache. I will at a minimum, order through a different company next time
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