What is the stain brand you use?

We use Duraseal and Bona

 What are the solutions for water leaking?

Actions have to be quick. Dry out the water with a towel then get a humidifier and air vent as soon as possible.

My hardwood floors are squeaky everywhere what can I do?

The best solution is to contact a professional wood floors company to remove a couple of boards, screw down the subfloor and install a new hardwood floor back in place.