How to design toilet ventilation ducts

The soundproofing may be a little worse!! However, it is recommended that you wrap it in a little soundproof sponge or other soundproof material! This does not affect the effect and is also soundproof! (Remember to buy the sponge and get it black!) Sponges come in their own color).

The volume of mm is just right, but the natural convection effect is definitely not good. >>>More

The connection between the exhaust fan and the ventilation pipe should be fixed with a gold key card sleeve.

The ventilation pipe is coming down from the roof, first determine if the roof is leaking. >>>More

FRP ventilation ducts, whether it is factory facilities of factories and mining enterprises, or civil office buildings, municipal underground facilities, air conditioning ducts, ventilation pipes, fire and smoke exhaust pipes, the traditional production materials are made of white iron sheets. However, in practical application, the white iron sheet air duct exposes problems such as rust if it is not waterproof, poor corrosion resistance, troublesome on-site production, unsatisfactory thermal insulation performance, short service life, unsatisfactory fire prevention effect, and difficult daily maintenance. >>>More