Purchase the exhaust fan (if you don't already have one) and a roof vent. Roof vents can be dome-shaped, square (like the one shown here.), rectangular or chimney-shaped. They all have a cap over ...

Plumbing vent flashings are notorious spots for roof leaks. If you have a leak in the general area of a plumbing vent, check the condition of the vent flashing. Look for rust holes or gaps around ...