Universal Tile Ventilator systems are the best systems in the world for roof space ventilation and ducting through the roof. Roof vents are a very important element of roofing, effective roof ventilation can extend the life of the roofing material in the roof. To properly ventilate a roof cavity you need intake vents to allow fresh air into the roof space and exhaust vents to allow air to leave the roof space. The amalgamation of an intake vent in connection with an exhaust vent allows for a very effective roof ventilation system. The purpose is to balance the temperatures inside and outside the roof space 24/7.