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Knowledge is the Power for Your Freedom to a Worry Free Home!

The Answer: Sorry but all rige vents are not created equal.

Some say the only type of ridge vent that should be used is a baffled ridge vent. The baffle deflects wind blowing up on the roof. This both increases the airflow from the attic and prevents the penetration of rain and snow. Ridge vents without baffles can admit snow and rain in large quantities, wetting insulation and ruining the ceilings of your home.

The better ridge vents are always made of metal and have an integral metal baffle. It's never a good idea to accept accessory plastie wind baffles. In heavy snow regions, like here in New Hampshire and Vermont. But even the best aluminum ridge vents can collapse from the weight of a deep, wet snow fall. To prevent this, you need to be suer to order enough joint blocks so that you can insert one every 24 inches maximum into the ridge vent sections before installation.

Most of the metal ridge vents available commercially today are made for shallow to medium pitch roofs. When using them on a steeper roof, they will need to be bent to fit the pitch of the roof. Now by doing this, it will close the throat and will reduce the amount of air flow, while also exposing the louvered sections to the wind driven rain and snow, now the lovers are above the baffle. You should not use ridge vents if they need to be deformed to make them fit.

There are some manufacturers that make a version of their standard ridge vent for steeper roofs, or a manufacturer may recommend to install a wedge under the base of the vent to reduce the pitch of the roof.

Link to my e-mail: bakerhomeinspection@yahoo.com

This posting and the contents that are written here are the intellectual property of Baker Home Inspection and Consulting. All views and opinions expressed here by myself and those that comment are just that. My blog is part of the Active Rain Real Estate Network, which is a social community network made up of Professional's in the Real Estate Industry.

Copyright 2008  All rights reserved

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13 Comments on Help Help are all Roof Vents Created Equal ? Home Buyer's, Home Owner's!

Dale, Good information. I've shown houses where the buyer will say 'the roof looks good'. Well, it may look good, but the average person doesn't know much about proper ventilation and roof vents. I always say you are going to have a home inspection aren't you?

02/13/2008 06:40 AM by Debbie Malone, Realtor (R), Lynchburg, Smith Mountain Lake, VA (RE/MAX 1st Olympic)


Dale, great post and good information for agents. I always hang out with my home inspectors and learn! Thanks for the good info!

02/13/2008 07:51 AM by Jeanean Gendron ~ Redding & Shasta County Specialist (Real Estate Professionals--GMAC)


Dale - What can I say the information you provide is priceless.   I too have learned so much from the inspectors.  Your contribution here is appreciated.

02/13/2008 08:03 AM by Jennifer Fivelsdal, Rhinebeck NY (Keller Williams Realty)


Howdy Debbie

I am always gald to see that you have stoped by to comment.

Thank you

I always gets me a little when, I start to talk about the ventilation and the roof vents of the home.

Then someone will say the roof is out side it does not need to be vventilated.

Howdy Jeanean

Thank you

Glad to have you stop in and comment.

I good Inspector will always help who ever is at the Inspection to learn.

Howdy Jennifer

Good to see ya stop by and comment.

Thank you for your very kind words.

I can say I always get to learn from Real Estate Agent that I have worked with and the ones that I have meet in our fine AR community. By reading ya'll blogs and the nice comment's that are written on my blog posts.

Have a good one

Dale

 

02/13/2008 09:11 PM by Dale Baker, Home Inspector- in NH & VT (Baker Home Inspections and Consulting Service)


Dale, as always, excellent information. Soon you'll have created an encyclopedic reference of home building information within your blog. Thank you for sharing your knowledge. 

 

02/14/2008 01:58 PM by Griselda Tealdo-Perez, REALTORĀ®, e-Pro, GRI, TRC (Coldwell Banker Real Estate)


Dale,  The information you provide is so interesting.  Thank you for being a wonderful resource.  There is so much to homebuilding.  I always learn something when reading your posts.

02/14/2008 10:49 PM by Kathleen Vetrano Prince William & Fairfax Real Estate (Keller Williams Realty)


Dale, this is just an I am curious question.  Do ridge vents vary by the area of the country that you live in.  Here in Houston we don't have to worry about any snow but we have loads of humidity. 

02/15/2008 03:05 PM by Marchel Peterson Spring TX Real Estate E-Pro ABR (Results Realty)


Howdy Griselda

Thank you for stopping by and commenting.

Thank you

Are you reading my mind. lol

You are welcome

Howdy Kathleeen

Thank you fro stopping in and commenting.

Thank you for your very kind words.

Glad to be of help.

Howdy Marchel

Thank you for stopping by and commenting.

I would not think so. Seen that they are for geting air flow in to and from the attic.

I'll do some checking on that.

Have a good one

Dale

02/15/2008 10:10 PM by Dale Baker, Home Inspector- in NH & VT (Baker Home Inspections and Consulting Service)


In Hawaii we only have to worry about rain and wind.  Should we still only use metal here?

02/21/2008 12:41 PM by Randy L. Prothero - Hawaii REALTORĀ® (Century 21 Liberty Homes)


Howdy Randy

Thank you for stopping in and commenting.

It's been sometime that I was in Hawaii.

But I would say no you would not have to use metal there.

Have a good one

Dale

02/24/2008 06:37 PM by Dale Baker, Home Inspector- in NH & VT (Baker Home Inspections and Consulting Service)


Hi Dale.

I wanted to drop by and say hello. I have been out of town for a business conference. I see you have been busy lately blogging your heart out.

Thanks for sharing the information

on roof vent. Inspections are serious matters and are not for laymen. 

Take care.

03/13/2008 12:00 AM by Dionne Morgan REALTORĀ®,GRI, e-PRO (Realty World Solano Realty)


Dale - I especially liked the fact that you posted this for First Time Homebuyer groups - what a good reminder that we should be INSTISTING that our first time homebuyers get the BEST advice (which includes an inspection - since APPRAISERS are NOT inspectors!)

03/15/2008 02:36 PM by Eleanor Thorne, Cary Mortgage Loans (Meridian Residential)


Howdy Dionne

I am glad you are back and stoped by.

That I have been, but it's a fun busy

for sure.

You are welcome my friend. 

Have a good one

Dale

Face

 

Howdy Eleanor

Thank ya for stopping by and commenting,

You need the most knoledge of what may be going on

with the home you are looking to buy.

Have a good one

Dale

Face

 

03/15/2008 06:36 PM by Dale Baker, Home Inspector- in NH & VT (Baker Home Inspections and Consulting Service)


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Inspector: Dale Baker, Home Inspector- in NH & VT (Baker Home Inspections and Consulting Service)
Dale Baker, Home Inspector- in NH & VT
Charlestown, NH
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