It will take 46 3 x 8 sheets.
25 will cover it. I'd get 28.
Approx. 113 sheets
You can but it is not recommended. The old roofing sheets will promote corrosion under the new sheets. Far better to remove the old corrugated roofing first.
Four sheets of 4' by 8' plywood will be required to cover a shed roof measuring 10' by 12'. Three of the sheets can be used as is, but one of the sheets will need to be cut to fit.
assuming standard sheet is 4 x 8 = 32 square feet roof is 29 x 45 = 1305 sq ft you need 1305/32 = 41 sheets
The average labor cost to install a metal roof depends on many different things. Some of them include the location in the country, the pitch of the roof, and the availability of labor.
The height of the structure is about 12 feet from bottom of frame to peak of roof. Actual total height when wheels are off and it's on foundation will vary.
6
35.
The purlin is the framing member the roofing sheets screw to.
Depending on your location, if the metal roof is going to be more durable and sturdier than your existing roof, you will need a permit. Also if the metal roof is going to heavier than your existing roof, it will require a permit.
You can locate the best metal roof contractors in Santa Cruz, CA by doing your research online threw the many search engines available. For example, go to www.google.com and search best metal roof contractors in Santa Cruz, CA.