I believe that they are allowed to be around 200 degrees above ambient (room temperature). How hot does class a chimney pipe get?
Wet weather today, give us a call to have your Sump Pump
Class a chimneys have been replaced in some jurisdictions with super chimneys.

Class a chimney pipe outside temperature. For outdoor or indoor use, we recommend it for sealing the top plate at the top of your chimney. Class a chimney pipes have many different names. Top of outside diameter of chimney pipe (20 foot straight chimney pipe):
Heat loss in the vent 3. I have since enclosed it so nothing can fall against it. For use in the usa only.
Metalbestos is a packed chimney whereas some brands use both packing and an air space. Metalbestos is a well established brand and should give you good service. 126 f so roughly from the outside of the chimney connector to the underside of the top to the chimney cap the delta was 474 degrees and it was 524 degrees from the outside of the chimney connector to the outside of the top of our chimney.
It is 0c or 32f outside and the basement furnace is keeping the house at a comfortable 21c or 72f. There is no fire in the fireplace, and hasn't been for days. It is recommended to install your chimney in the interior of your home.
This system is manufactured in america, at our factory in scranton, pennsylvania. I don't know that answer, however, here is what i do know. 76 f underside of the top to the chimney cap:
Cures in all weather conditions regardless of the temperature. A successful chimney draw is dependent on the following principles: Ul standard 103 requires pipe capable of safety operating with an internal temperature of 1,000 degrees fahrenheit and withstanding a maximum temperature of 1,700 degrees fahrenheit.
Never substitute stove pipe for class a chimney pipe. It is also used when transitioning stove pipe through a wall or ceiling. If you are going through a wall make sure you use the manufacturer's wall thimble and all of their components.
Black pipe used outside will run way cooler flue temperatures than class a chimney and will potentially build up creosote quite rapidly increasing the chance of a chimney fire. In fact, you'll need two elbows if offsetting class a chimney pipe an elbow to start the offset and another one to end the offset. The pipes do typically get hot to the touch even through the pipe insulation.
As is normal in this type of construction, there is insulation in the walls of the rooms upstairs between the chimney brick and the drywall. My chimney (simpson duratech class a) is straight through the middle of the house. The wall behind stays quite cool.
Tacks in 1 hr, cures in 24 hrs. Restrictions to flow and 6. The insulating properties keep the inner pipe temperatures up which tends to keep creosote formation down.
We've added some stove pipe in this category for your convenience. The design btuh (british thermal units per hour) capacity
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