first post i'm 60 years old first boat . i've got a 16ft. lowe that i put alum. floor in,now i'm going to put nautolex down it will be 4ftx8ft which 32 sq.ft but they want running yards it comes in 54 and 72in. how many running yards will i need .would like to know in the 54 and 72.thanks for all the help. i would like to thank jigngrub for all his help by the way really learning alot on this forum.love it.