Does precipitation ever present a problem if it comes down the chimney and lands on the balloon?
Dear EL, Precipitation of any kind does not effect the Chimney Balloon, but sunshine is not good for the balloon. The UV in sunshine will break-down the rubber retaining ring on the interior of the Chimney Balloon. That is the reason we use viton retention rings if you are going to use a Chimney Balloon in a skylight chute to stop cold air from coming in around a skylight. If you get a significant amount of precipitation in your chimney you may want to seriously consider a cap. The freezing and thawing of moisture in a chimney can cause problems with the tuck pointing and the bricks. Q: Jason, Since I don’t live between the Tropics of Cancer and Capricorn, I don’t have to worry about the sun ever being directly overhead. So, UV from the sun is not a concern. I don’t believe I have excessive precipitation as I live in New England in the US. But I do get some. I’m purchasing a house with many fireplaces. The heat is off this winter and I have noticed some small amounts of snow have accum
