Questions and answers about how to build or inspect a wood-framed chimney chase. This article series describes wood-enclosed metal chimneys, how a chimney chase should be constructed, and how those structures can be inspected for leaks, damage, or unsafe conditions. Is Your Chimney Chase Up to Code? One of the most vulnerable areas of your Alpharetta home is your chimney chase. Often, our team at Echols Home Improvements is called in by one of our clients to repair the chimney chase: the box-like structure which contains your home’s chimney, from the foundation up past your roof. Chimney Chase. If placed inside a proper enclosure within the envelope of the home, venting systems for wood-burning units can be routed through the ceiling. Another way to do this is to use a purpose-built chimney envelope or chase secured to the exterior of the home. Chimney chases are popular choices. Installing a Stainless Steel Chimney Chase Cover: A chimney chase cover is a cap that seals off the top of a wood framed or brick laid chimney chase. Chimney chase covers are typically made from low grade steel, which will rust over a short period of time. The smallest gap or hole on the chase ... Jun 27, 2014 · A chase cover is a metal cover that fits over your chimney chase (on chimneys with wood, metal, or vinyl siding) to prevent water from entering the chimney. It’s very important that the chase cover is installed properly so that water runs off the chase cover. manufacturer, many building codes require at least a one-inch clearance between the chimney and any combustible materials. Our photo below (See Wood framed Chimney Chase file) shows a wood-framed chimney chase that might enclose an insulated metal chimney or a Type-B Gas vent chimney. Class A Chimney Height Requirements Code officials and industry associations had been working on the new codes for several years. Sweeping changes were made to the fireplace and chimney sections of the residential code in 1995 when the CABO One and Two Family Dwelling Code was reorganized along the lines of the National Fire Protection Association 211 Code.