Hi guys. A friend has bought a cheap plastic bathtub which came with some pieces ob timber spread around its perimeter under its lip....i suppose the pieces of timber are to secure the bathtub to the wall. My question is how am i supposed to secure it? Am i supposed to go under the bathtub and screw through the pieces of timber and into the stud or noggins??.....or would i have to screw some sort of "U" shaped brackets to the pieces of timber possibly one leg of the "U" bracket higher than the other so that i can screw that to the studs without having to go under the bathtub? Thank you very much for your help.