Jimmeny Cricket

By
Home Inspector with Square One Home Inspection

An earlier photo that I posted got me going on this subject today. Lets talk about chimney crickets and how they pertain to home inspection. Do they matter?

 

First of all, we need to know what a chimney cricket is. Without spelling out the technical definition, lets make it easy. It is a small peaked roof built on the backside, or  high side, of a chimney to direct water and debris away. When a cricket is installed on your chimney, debris will be less likely to build up behind the chimney and therefore will not deteriorate your roof material.

Lets take a look at a chimney cricket. Nevermind the shingle job over this cricket, we are only concerned with the chimney cricket here.

Ripon Home Inspector Chimney Cricket Photo

 

Now, if  we disregard the shingles, we will see that water running down the main roof towards this chimney will be directed away as it approaches. A chimney cricket will help keep the back side of your chimney free of debris and water puddling or ponding. Picture this in early spring in a northern climate. Water trickling down the roof in the day time begins to freeeze as the temperatures drop. Now if that water freezes right behind the chimney, you may have an ice dam issue. By having the chimney cricket, the water will be directed around the chimney, rather than gathered up directly behind it.

 

Now, lets take a look at a chimney that does not have a cricket installed. You will notice a small amount of debris, if you look really hard.

Beaver DAm home inspector photo

Notice how the lack of a chimney cricket has allowed the debris to be gatherd up behind the chimney. There is actually a maple tree growing behind that chimney.  Not something  your home inspector really wants to find. A cricket would have prevented this build up. Hopefully this will be cleaned up before it gets out of control and does some damage.

 

As a rule of thumb, chimney crickets are recommended on chimneys that are over 30" wide. Do not be fooled by this rule however. If you are having problems with debris behind your chimney that is less than 30" wide, you may still want to consider a chimeny cricket. A good home inspector will note the absence or presence of a chimeny cricket for you, and may also make recommendations as to the effectiveness of a chimeny cricket.

If you are unable to access your roof to see behind your chimney, hire a home inspector or other chimney professional to do a proper examination of the area to see if a  chimeny cricket is needed behind your chimney. If a chimeny cricket is needed, hire the proper professional to do the work for you, and have it inspected upon completion of the work or repair.

Chirp! Chirp!

Posted by

 

Ian A Niquette

 www.squareonehomeinspection.com

 Square One Home Inspection proudly serves Green Lake, Fond du Lac, Dodge, Marquette, Columbia, Winnebago, and Waushara Counties. Complete home inspections and Radon testing available.

 

 

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Topic:
Home Buying
Location:
Wisconsin
Groups:
Home Inspector's Corner
MADISON WISCONSIN REALTORS
Professional Home Inspectors
Realtors®
Wisconsin Active Rainers
Tags:
moisture
home inspection
chimney

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Rainmaker
122,067
Jim Valentine
RE/MAX Realty Affiliates

Very interesting.  I never heard of it and never thought of it, but will look from now on.  thanks.

August 08, 2009 10:26 AM
Rainmaker
204,235
Joshua Frederick
Home Inspector - Northwest Ohio
Home Inspector for ASPEC Residential Services, LLC

How 'bout "Invisibly cricket" - Jimmeny's long lost brother who's never around when you need him.

"Minor" moisture concern

August 21, 2009 11:33 AM
Rainer
47,895
Ian Niquette
Square One Home Inspection

Josh, that is an awesome picture. I'll bet the owners were quite surprised when you pointed that one out.

August 22, 2009 06:23 AM
Anonymous #4
Anonymous
Anonymous

Nice explanation, Ian. The little typo there did catch me off guard, though. You have 30' instead of 30" the first time. I was trying to picture a thirty-foot-wide chimney, imagining the McMansion that such a chimney would serve. LOL

September 03, 2009 03:56 AM
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Rainer
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Ian Niquette

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