Quonset Doors

1 putting up a 70 ft wide by 80 ft long mayfair quanset building wanting a quote on a door for a 30ft wide opening and 16 ft tall with 3 windows in it and insulation as well

2 I am looking for a door for a round Quonset. Currently it has two miserable sliding doors. The opening is 20 feet wide by 14 feet tall. I am interested in the most cost effective bifold door solution.

3 I have a Behlin Quonset I'm looking for a bifold or hydraulic quonset door with a freestanding header.. The hole size is 23'9" x 14'6". I like the Schweiss strap style best and I need a man door. Interested in pricing.