Vent Thimble Duct Fitting

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The vent thimble is manufactured using 30 gauge galvanized steel. Applications Typically used in new home construction to provide an opening in brick, stone or siding for a fresh a ir intake or exhaust hood. It enables the hood to be installed after the wall surface has been completed. Features & Benefits Reduces the possibility of the hoods from being damaged With the sleeve installed reduces the time required to make a hole in the brick or stone After the hood has been installed on the outside of the home the thimble can be filled with insulation to maintain the desired R value Thimble is required for Energy Star rated homes Show more