Studor vents, Studor air admittance valves and air admittance valve caps

Reduces roof penetration
Reduces vent pipe roof flashings that eventually leak
Reduces unsightly vent pipes
Prevents vermin and pests from entering the buildings through open vent pipes
Prevents possibility of shearing off of vent pipes, due to snow slides
Reduces pollution of the environment by sewer gas, and prevents sewer gases from being drawn into air conditioning units and air handlers and polluting habitable spaces
Provides architects and engineers freedom of layout and design
Serves as an early warning system of a blockage in the building drain
Reduces the number of fire stopping devices
Reduces structural damage caused by holes drilled through joists and studs to install open vent piping
Lowers the risk of plumbers falling from ladders and roof tops associated with the installation of open vent pipes
Eliminates the need to coordinate work schedules between roofers and plumbers
Solves problem to vent island sinks, wet bars and other fixtures in difficult locations
Makes remodeling easier
Possibility to complete more jobs in less time than venting to the outside. This results in increased income for the contractors and plumbers while saving the property owner and builder money
By reducing construction costs there will be more construction which will create more jobs for plumbers and other trades

Air admittance valves substantially simplify venting of DWV systems in commercial and residential applications without jeopardizing the health, safety and welfare of the public.

Benefits of using Studor products:

Conclusion: