Technology >> Structure >> Trus Joist Door & Window Headers



For more than 40 years, Trus Joist, a Weyerhauser company, has been the world’s leader in the innovation and manufacture of engineered lumber products.
 

Trus Joist makes the most of every wood fiber by taking trees apart and putting them back together in ways that produce engineered lumber that rivals and outperforms conventional lumber in strength, size, and consistency.

Trus Joist’s TimberStrand® LSL, Microllam® LVL,and Parallam® PSL are structural solutions you can count on—guaranteed.