DuraVent DirectVent Pro Wall Thimble: a wall sleeve for the square horizontal cap
The DuraVent DirectVent Pro Wall Thimble is a two piece sleeve that carries vent pipe through a wood framed wall. It sits behind the square horizontal cap, holds the framing away from the pipe, and covers the opening on both sides. This thimble works only with that square cap, not the H2 cap. DirectVent Pro is DuraVent’s pipe inside a pipe vent for direct vent gas fireplaces and stoves: exhaust goes out through the inner pipe and outside air comes in through the outer pipe.
Choose the size that matches your vent: 4 by 6 5/8 inch or 5 by 8 inch. For a wood framed wall, your appliance maker may call for a thimble or wall firestop to protect the framing. Canada requires a two piece thimble. A brick, block, or concrete wall can have an opening with no extra gap around the pipe, but only if the appliance maker allows it. Using a round, sconce, or H2 cap? See the DuraVent DirectVent Pro Small Wall Thimble sleeve. The DuraVent DirectVent Pro Wall Thimble ships free from My Cozy Outdoors with No Sales Tax (except WY) and the full manufacturer warranty.

















































