This really depends on where you live, what the yearly climate is like, and how long you want it to last, as well as the maintenance you are willing to perform on it. Please provide a few more details so we can give you a better answer!
ply board or also called deck board 1/4 or 1/2 in most of the time ply board or also called deck board 1/4 or 1/2 in most of the time
The standard species of framing lumber are Spruce, Pine and Fir.
15 lb felt, 1 1/2'' plastic caps , 20" valley metal, 1 1/4" nails, Ridge vent, 2 1/2" ridge nails, feild shingles, 3 tab shingles (for starters and ridge), air hawks & white drip edge.
pieces of wood that hold up a house of course
it is called a roof
House extensions are pieces of hair you attatch to the roof on the outside of your house, so that your house's hair looks longer.
gkgekc
you mean an A frame?
dormers
Without knowing how the roof was constructed and with what dimension of lumber or steel, there is no way to estimate.
IT is called "Roof" ============ Sounds like the attic, to me...
the post that supports a house is called a column.
it called the saltbox
They are commonly called dorma windows
the post that supports a house is called a column.
I might be wrong to whoever reads this, but I think a house-top carpenter is a person who replaces or makes the roof of a house. The carpenter might build the trusses that hold up the roof. A roofer is the person who puts the roof covering (tar paper, shingles, etc.) on top of the trusses.