What Size Vent Pipe For Bathroom. so given my 480 cu. yes, it’s advisable to use metal or pvc for ductwork instead of a flexible duct to vent your bathroom fan.
Half of a 3” drain gives us 1.5”, and that’s the size of the stool’s vent. the size of a duct is determined by the bathroom fan capacity. The ventilation requirements for a bathroom are 15 litres per second/.
Half of a 3” drain gives us 1.5”, and that’s the size of the stool’s vent. other vents in the house link to this main vent. Half of a 3” drain gives us 1.5”, and that’s the size of the stool’s vent. If you're adding a new.
