Tri-Chord produces the only thermally efficient steel stud available on the market today.(We can meeti wood in R values)..we also manufacture light gauge open web floor trusses and low sloped roof trusses... Tri-Chord studs are thermally rated, acoustic rated (very high STC, OITC ratings) seismic rated...our 20 ga. utperformed 16 ga. conventional cee studs in earthquake area shear testing. fire rated, We have 1 hour fire ratings on several wall configurations with single sheet of gypsum and 3-1/2" load bearing studs (1,800 lbs. per stud)