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American Fork – TRA Snow and Sun recently created a new version of its existing TileVent system to be used by the Church of Jesus Christ of Latter-day Saints on its meetinghouses. The new TileVent is wider with more ventilation holes than the regular TRA TileVent.
TileVent is a lightweight, corrugated aluminum or copper product used to flash the ridge or hip of a tile roof while allowing airflow from the lower part of the roof to vent up and out through the ridge.
"If you have ever worked in an attic space on a hot summer day you know how stifling and miserable it can be up there,” said TRA President Terry Anderson. “Obviously roofs and exterior surfaces get hot from the sun during daytime hours and that radiant heat enters the building, in turn heating the air molecules which then naturally travel upward. By venting the roof system, the warm air is sucked out the ridge as cool air enters at the eave. The escaped hot air is replaced by cooler air, thus keeping interior temperatures lower." In other words, venting promotes a constant temperature from eave to roof ridge, reducing ice dams in winter months while providing energy efficiency and reducing costs all year. Condensation issues are also prevented.
Most LDS Church meetinghouses have a longer eave-to-ridge span than the average tile roof building. Creating airflow from eave to ridge over a long length of roof requires much greater exhaust per running foot, hence the new LDS designs, which have greater width than TRA’s standard product.