cost of roof framing
A 4/12 pitch means that the roof rises 4 inches for every 12 inches of run. -Trusses vary in terms of cost. One study showed that trusses installed in Boston cost an average of $3.87 per square foot of building area, while the same trusses in New York City cost $4.42. In Raleigh, they cost $2.59 per square foot of building area.