If the rust damage is extensive replacing the entire floor pan with a one piece panel is the best way.
How to fit floor pans.
Test fit the shower pan to confirm the drain opening fits over the drain hole in the floor.
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To begin the process we took a new piece of cardboard and rough cut it to fit the floor pan then marked and cut it down so that it matched the original shapes.
Make sure the floor is level and clean.
Place your tacks on both the interior and exterior sides of the floor pan.
Mark the center of each wall stud on the shower pan rim.
Sometimes you can transfer complex.
Because our shower pans are totally encapsulated and built from the highest quality material your new its shower pan will be leak free when properly installed.
Shower pans are made to work with fiberglass shower surrounds and tiled walls.
Each its shower pan is custom built to your specifications no matter what shape or size.
Check to ensure that the floor pan is still in place that there are no gaps and that it is still aligned.
If the hole isn t too big you can do a patch repair.
The nice thing about floorpan replacement is that it s really not all that complicated you disassemble what s left of the original trim and fit the new one and reverse your disassembly procedure.
They fit on the floor inside the shower and act like a tub keeping water off the floor.
Pre drill holes through the shower pan rim at the marked locations.
Replace rusty floor panels.
Mark the outline of the shower pan on the subfloor using pencil or a chalk line.
Weld the floor pan into place.
Tack the floor pan into place with a series of spot welds place eight to 12 inches apart around the perimeter of the floor pan.
For a larger repair the damaged section can be replaced with a partial floor panel.