Please tell me what are the procedures to be followed before building a traditional home?????

I'm taking a tiling job is half finished, shower, Tiler missed last rubbery membrane is loosely stapled lower walls and floor. I do not know if I should keep a seam through this stuff, or put "Sponsor board" on top of it 'which will also include placing the screw holes', or weighing it down...

Hello,

Please tell me the advatages of floor planning means why we need floor plan for our property. And which are the old & best companies which provide all these services at low prices.

Please elaborate your answer.