The frame should be checked prior to the rafters going on. Once the roof is on , you will just have to deal with what you have. The horse is out of the barn...
18(Check:18x18=324)
what is the cost of a roof per square foot
per roof square.
99.7
Unless you have a flat roof, no; the surface area of the roof will be larger than the ground area of the building.
You first have to measure your roof. Shingles are sold by the square. You will have to find the replacement shingle that you are interested in, then take your roof measurement to see how many squares you need. You might think about using a metal roof. They cost more at first, but last a lot longer.
depends on pitch of roof,and height of roof ,
30.
10
If you paint one square metre of roof white you will save 107.5 kilograms of greenhouse gas equivalent over a twenty year period. If you paint your whole (1000 square feet : 93 square metres) roof white, you will save 10 tonnes of greenhouse gas equivalent over the twenty year lifetime of your paint. Source: California Energy Commission (2005). See the Cool Roof calculator link below.
A roofing square is 100 square feet of materials.
16