A lot of builders prefer floor trusses to
wood I-joists because their open webs
make it easy to run utilities. But a
drawback to floor trusses is that you can't
cut them. Although I-joists can be
ordered long, then trimmed to fit the
actual site conditions, if you've ordered
24-foot trusses and your foundation sub
pours his walls 24 feet, 3 inches apart (it
has happened), you have a problem.
TrimJoist solves the problem by placing
a 1-foot-long, trimmable OSB web at
either end of a parallel-web floor truss
that comes in 12-, 14-, 16-, and 18-inch
depths and in lengths from 4 feet to 30
feet, in 2-foot increments. The manufacturer
says that costs are