I have a old home built in the 40"s. my bathroom fairly good size 8x10 .my problem is a large window right in the middle of the bath tub /shower combo, and if that isnt bad enough the home has dustpan dormers so the tub is installed between one partial wall /dormer and a wall. please advise me on the best application for my size room claw foot tub is an option but with two teenagers at home a shower is a must ,please help