It depends on the developed length and fixture units.
Any vent is usually the size of the drain or waste pipe it is connected to. 3 or 4 inch on a toilet.
Use fittings.
To help figure out correct pipe size needed.
Common types of pipes found on roofs include vent pipes, soil pipes, and rainwater pipes. Vent pipes allow air to enter the plumbing system to prevent vacuum and odors. Soil pipes carry waste from toilets and sinks to the sewer system. Rainwater pipes collect and direct rainwater away from the roof to prevent water damage.
quick down and dirty way is the size of your unit (example..4 tons) X 144= the square inches needed for the return vent size or the longer way Max air flow from unit (rated size) / 2.08 cfm/sq in= filter area needed
There are vent pipes throughout every building. If you feel they are not adequate you can add an AAV or two to help.
You should not , it is only a vent
When choosing a foundation vent cover, important factors to consider include the material of the cover, its durability, the size and shape of the vent opening, the level of ventilation needed, and the overall aesthetic appeal of the cover.
When installing a vent for a bathroom, it is important to consider factors such as the size of the bathroom, the location of the vent, the type of vent fan being used, the ventilation capacity needed, and compliance with building codes and regulations. Proper installation and maintenance of the vent are crucial for effective removal of moisture and odors from the bathroom.
2" VENT. Many codes say the vent can be 1/2 the size of the pipe being served but in no case less then 11/2" and considering a lead bend (toilet drain) can be 3" and the new fixtures have 1.6 GPF in lieu of the 3.5 GPF a 11/2 vent pipe is fine
Piping is installing pipes such as waste /vent/ soil / gas/ water/ etc.
Yes, a 4-inch dryer vent is the recommended size for proper ventilation.