Do I Need Double Or Triple Wall Chimney Pipe. You will need to build a frame for the support box between the rafters to support the chimney pipe. The national fire protection association standard #211 states:
How Your Chimney Works - Chimney Safety Institute of ... from www.csia.org
In the event of a creosote fire, the compressible blanket insulation permits the chimney. In areas of a frame where joists are forced to span a wider distance, joists will be doubled or even tripled to provide more support. Everyone i know recommends double wall not triple.
Everyone i know recommends double wall not triple.
Would the intake air pipe need to be the same diameter as the chimney, 8?. Warranty type of effective date. A wide variety of double wall chimney pipe options are available to you, such as steel grade, project solution capability, and standard. Products include chimney liners and chimney caps;
