Help! Wasps are coming in through my fireplace damper!

Help! Wasps are coming in through my fireplace damper!

Q: Jason, I live in Dallas TX and I have a gas log fireplace. Every fall I get wasps coming in through the fireplace chimney and they make it through the damper into the house. Right now I am running the gas log 24/7 to keep the wasps out, but I know it is going to cost me in the utility bill at the end of this month. If I put in a Chimney Balloon will it seal tight enough so the bees cant get in the house? Can the bees sting through the Chimney Balloon? – TY

A: Dear TY, In the late fall (usually November) we get inundated with calls from fireplace and gas log owners that have wasps and bees coming down their fireplace chimney and right around their metal damper.

The Chimney Balloon seals wall to wall inside the chimney flue so it is a very good way to plug the chimney nice and tight so the wasps have no entry point through the flue. The Chimney Balloon material is made of a multilayer laminate so the wasps would never sting their way through it. But, It is always a good idea to get the Chimney Balloon installed before the wasps start their annual pilgrimage down your chimney. Once wasps start coming in they generally do it en-mass, so it is best to cut them off first.

Plugging the flue will allow you to turn off the gas log fireplace and save some of that gas you are burning up. It also won’t hurt for you to look around for other entry points that the wasps and bees may be coming in through like soffits or window jambs – Jason

I have a problem with flies coming in through the fireplace.

I have a problem with flies coming in through the fireplace.

Flies in fireplace

Flies in Fireplace

Q: Jason, I have an awful fly problem, and I think they are coming down the chimney looking to get away from the outside heat.  Will the Chimney Balloon stop flies for sure? – MH

A: Hi MH, From our conversation on the phone,  I was glad to hear you had your fireplace cleaned recently. Sometime fireplace flies have to do with a dead animal in the flue, or pigeons using your chimney top as an outhouse. But since you have a screened chimney top and a clean flue we can rule that out.

Flies and wasps coming down through the fireplace is a very common issue, and the Chimney Balloon does stop them. Especially in spring and fall insects follow food and other smells down into the fireplace chimney and end up inside. We get this questions so frequently there is  a section of our website dedicated to it: http://www.chimneyballoon.us/bat_wasps_in_fireplace.html and some other blog articles regarding wasps as well: http://www.chimneyballoonusa.com/blog/2009/11/help-wasps-are-coming-in-through-my-fireplace-damper.html

The key to stopping flies in particular is to get an accurate measurement. Here is a section of the website that outlines how to do that measurement: http://www.chimneyballoon.us/Chimneyballoonsizing.html also you can give me a call or email pictures if you want advice on the measuring.

Once you have the measurements we need to get a Chimney Balloon for you that is as close to your measurements as possible (even if we have to go with a custom size), so you get a perfectly tight seal. Flies and maggots can be persistent in their entry techniques so you don’t want wrinkles in the Chimney Balloon from the too much extra material. – Jason