Most of the double wall stove pipe allows for 6" clearance from wall is not the case and can only run from the stove to where it will go through a ceiling or wall.
Kit includes all items in blue. Flat Ceiling Support. Kit includes all Stove Pipe Adapter (T-DSAC) for use with single- wall stove pipe, for DSP use 25 (DSP-CPA) $.
Minimum Clearances to Single and Double Wall Pipe Forums Home
= Joist Shield ONLY 2'' of clearance to combustibles. The Double Wall Black Pipe is listed for six (6) inches clearance to combustible material. NEVER enclose this connector pipe or use it as a chimney to.
Below are the allowable clearances for a number of common situations. Anybody know? Going into a combustible wall requires an insulated thimble. I see Hartiboard, cement board and Wonderboard mentioned as possibilities but I wasn't able to locate what if any UL or other rating would be required to be sure any one material meets the code definition of non-combustible.
This 18" number seems to be so strongly ingrained in peoples thinking that is strikes me as quite surprising that it could be wrong.
Video: Double wall stove pipe clearance to ceiling Stove Pipe Adapters For DuraTech & DuraPlus Chimney Pipe
The shield can be constructed of sheet metal, copper, cement board with tile attached, or masonry such as brick. THe 18" number comes from the horizontal distance allowed between a verticle run of pipe and a verticle combustible wall surface.
Double wall stove pipe clearance to ceiling
As always, consult the manual for newer and listed stoves. Please excuse me if this was covered and I missed it. The dimensions for the clearances were determined after thoroughly testing the stoves and components; all the temperatures were recorded, and only then were safe clearances established.
For the insulated double wall-type chimney, the minimum clearance is usually. Ventis Double Wall Connector Pipe was tested and Listed following the ULC length, the clearances to combustible side walls and to combustible ceilings may be reduces a chimney venting a solid fuel burning appliance. Minimum Clearances to Single and Double Wall Pipe From you ceiling box it you extend the Class a chimney pipe down from the ceiling 18".
What are the Allowable Clearances?
Any suggestions would be most appreciated. All combustible mantels and similar trim shall be kept at least 6 inches from fireplace openings. Blog Categories. Then this "reference" calls out 4" as the minimum chimney protrusion for flat ceilings but gives proper notice that sloped ceilings must meet the perpendicular clearance for the type of connector pipe.
Once again, you should consult the manual on your specific model. Wiki Pages Latest activity.