Billow Beam Layout for Your Deck Mark Length Description 8 23 2208 Green Rotated G B 1:2x8 Green Treated H w 1:2%8 Green Treated A2 sk WLl ha deck Hat mad She e L SRR it lugs ., Steads o bewitch b s ‘mamma% e e bkl g i b rattly Layout dimension sheets are intended as o construction aid.