ited ▁for ▁use ▁as ▁be ams ▁and ▁columns ▁for ▁post ▁and ▁beam ▁construction , ▁and ▁for ▁be ams , ▁headers , ▁and ▁l int els ▁for ▁light ▁fr aming ▁construction . ▁PS L ▁is ▁a ▁member ▁of ▁the ▁struct ural ▁composite ▁l umber ▁( S CL ) ▁family ▁of ▁engine ered ▁wood ▁products . ▁ ▁L amin ated ▁str and ▁L amin ated ▁str and ▁l umber ▁( LS L ) ▁and ▁orient ed ▁str and ▁l umber ▁( OS L ) ▁are ▁manufact ured ▁from ▁fla ked ▁wood ▁str ands ▁that ▁have ▁a ▁high ▁length - to - thick ness ▁ratio . ▁Com b ined ▁with ▁an ▁ad hes ive , ▁the ▁str ands ▁are ▁orient ed ▁and ▁formed ▁into ▁a ▁large ▁mat ▁or ▁b illet ▁and ▁pressed . ▁L SL ▁and ▁OS L ▁offer ▁good ▁fast ener - hold ing ▁strength ▁and ▁mechanical ▁conne ctor ▁performance ▁and ▁are ▁commonly ▁used ▁in ▁a ▁variety ▁of ▁applications , ▁such ▁as ▁be ams , ▁headers , ▁stud s , ▁rim ▁bo ards , ▁and ▁mill work ▁components . ▁These ▁products ▁are ▁members ▁of ▁the ▁struct ural ▁composite ▁l umber ▁( S CL ) ▁family ▁of ▁engine ered ▁wood ▁products . ▁L SL ▁is ▁manufact ured ▁from ▁relatively ▁short ▁str ands — typ ically ▁about ▁ 1 ▁foot ▁long — comp ared ▁to ▁the ▁ 2 ▁foot ▁to ▁ 8 ▁foot ▁long ▁str ands ▁used ▁in ▁PS L . ▁ ▁F inger ▁joint ▁The ▁finger ▁joint ▁is ▁made ▁up ▁of ▁short ▁pieces ▁of ▁wood ▁combined