Blue Pipe.

[wjlundyjr]

I have the double wall insulated Simpson pipe coming out of the roof, when I was up looking at it for a mid-season cleaning, I noticed a patch of blue around near the end of the pipe just before the cap, its a small circle about the size of a volleyball.. Is this something to be concerned with, how do I fix it?

Thanks,

John

 

[SolarAndWood]

Do you have a picture? Is it all the way around or just on the side that is predominantly downwind?

 

[wjlundyjr]

might be able to take one tommorow, looks like the chrome bluing you see on a motor cycle tailpipe, just on the down wind side.

 

[argus66]

i get this too when its really cold out and im burning 24/7 seems to go away on its own later in the season. i burn perfect wood and burn hot and sweep my own pipe and get little to no creosote.

 

[devinsdad]

I have this also. From the cap to about a foot down on the downwind side

 

[wjlundyjr]

Okay, yeah it has been holding between 9 and 15 degrees and I have been burning good 2 year aged ash almost 18 hours a day.

 

[madrone]

In sculpture we call it heat patina. Discoloration of the SS from heat. There's a range of colors at different temps, from purples to browns, gold, red, eventually a sort of dull blue-grey. I have the same on my exterior chimney, and it's the color of the lower end of the spectrum. No worries.