Wrap water supply lines and DWV lines in pipe insulation to muffle them inside walls.
An outdoor shower with a hose connection.
Better Insulation Will Prevent Water Stains Around Bath Fans.
ZQ New Arrival Fashion 40L Camping Hiking Portable Solar Heated Outdoor Shower Pipe Water Bag , black: Amazon.
Mineral Wool Insulation is Making a Comeback.
Kaimann EPDM HT UV Resistant Outdoor Solar Insulation 19mm x 35mm x 2m: Amazon.
An outdoor shower tucked behind a screen off the master bedroom neutralizes this threat.