Wind may also approach the top of a chimney from below after flowing up a roofline to a chimney penetrating the peak. The Vacu-Stack VSS Chimney Cap can also be used for masonry chimneys when paired with a masonry adapter (sold separately). The stainless-steel construction promotes long-lasting durability. This chimney cap increases updraft and prevents downdrafts caused from wind. Product Feature Dec 14, 2008 164 arkansas. Available in 1 Finish. Wind tunnel testing has demonstrated that wind flowing from either above or below the chimney top can be adverse to upward flow by creating positive pressure at the top of the chimney. The most effective draft inducing chimney caps are those that separate the wind stream as it flows over the cap and those that rotate to align with the wind direction. We tried many "fixes".. even spent close to a grand installing and wiring-in a Field Controls Type C chimney-top draft inducer. Otherwise, consider igniting some fast-burning wood or paper to make the fire hot enough to overcome the pressure difference. We also carry beautiful Copper Chimney Caps and European Copper Chimney Pots. Wind can force exhaust back down a chimney without a cap. These problems often occur for homes that have hills, mountains, tall trees or buildings in the vicinity. Product Description. 5" Vacu-Stack Wind Resistant Chimney Cap Reivew After several years in a row with pilot light going out, and having broken pipes, pumps, and wet floors; The Vacu-Stack seems to have solved my problem. 0. To install gently slide Vacu-Stack down the pipe. There are different types of chimney cap wind devices. Excellent product! Non wind-related problems may also see improvement when using the Vacu-Stack, but may not completely cure the issue. Woodland Direct specializes in Wind Resistant Chimney Caps and Vacu-Stack Chimney Cap - Custom, New or Replacement. Superior Chimney's vacu stack chimney caps cure most wind related fireplace smoke back up issues via the Venturi effect, which utilizes wind movement hitting this cap to increase strength in positive draft literally sucking the exhaust & fireplace smoke out of your … When we get a brisk north wind, it comes down the hill and causes major backdraft problems with our woodburning stove and tall, freestanding metal chimney. Air movement past the hood creates a partial vacuum in the flue enhancing efficiency and helping to prevent downdraft. Model: 8GVVTH. For a single-flue chimney cap, position the device in place and use a screwdriver to fasten and secure it. This vacuum then pulls flue gases up and out of the chimney, thus preventing wind-induced downdraft and the resulting infiltration of smoke, odor, and flue gas into your home. When we get a brisk north wind, it comes down the hill and causes major backdraft problems with our woodburning stove and tall, freestanding metal chimney. The pilot light has been going all winter. The Vacu-Stack Chimney Cap is used to stop smoking and decrease downdrafts caused by wind. May have reduced the price now. The Field controls unit worked okay for a while, but eventually, carbon … storm collar to protect against the weather for a long life. Much of this may be due to the … Our chimney caps and dampers come with a Lifetime Warranty ! We know what works in West Texas, and that’s why we sell and install chimney cap wind deflectors that will keep the wind out of your chimney. Round version suitable for chimney liners and sealed-end factory built chimney (like Duratech & Metalbestos). The chimney cap is a critical component of the chimney structure and the fireplace in general. For example, wind can often flow down towards the top of a chimney after passing over an obstacle like a roof, adjacent building or trees. Reviews. Some caps have a baffle system with wide bands of metal that curve up over the chimney top to redirect the wind. Celebrating Milestones - Learn more. 2004-2019 © Woodland Direct, Inc. All Rights Reserved. Most of the wind-related down draft issues will be greatly improved when using the Vacu-Stack wind resistant chimney cap. chimney brush, chimney cap, chimney cleaning, chimney damper, chimney pipe, chimney supplies, fireplace accessories, fireplace grate, fireplace screen, fireplace tools, hearth accessories, firewood rack, wood holder, log holder, woodstove supplies This item Vacu-Stack Wind Resistant Chimney Cap - 8 Inches Wind Directional Chimney Cap - Galvanized 6 inch 6” Stainless Steel Vacu-Stack Chimney Cap for Solid Pack Chimney Pipe Product Description. When a downdraft occurs, exhaust from the fireplace that should be vented outside the home backs up into the living space making your indoor environment not only uncomfortable but dangerous. R. rumme New Member. 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