Grab your brightest flashlight and a fireplace poker and lean into the firebox. Glow your light-weight in the smoke chamber and flue and make use of the poker to scratch the surface area. In case the soot provides a matte black end plus the scratch is 1/eight in. This article https://lukasbwqju.blogpayz.com/28139670/the-ultimate-guide-to-chimney-cap-replacement