For sealing the connections in between different parts of the vent system, metallic foil tape should be made use of (instead of screws). The foil tape will deal with high temperature levels and stay intact.Specialized hoods need to be used to top off completion of the line exterior. These hoods will shut out any potential pests, however will permit optimal air flow for ventilation.

Dryer Vent Wizard of Elmhurst Gives Recommendations on Dryer Vent installations