Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 10-27-2010, 09:45 AM   #1
Newbie
 
Join Date: Mar 2010
Posts: 28
Rewards Points: 25
Question

Do I Need Soffit Baffles If I Don't Have Soffit Vents???


I'm going to add insulation to my attic and I need to know whether or not I need to go through the hassle (and pain) of installing soffit baffles. I currently have unvented soffits that the insulation would definitely get into when I blow in the new stuff. Do I need to install baffles or should I just skip that step?

jobondur is offline   Reply With Quote
Old 10-27-2010, 09:59 AM   #2
Member
 
jlhaslip's Avatar
 
Join Date: Dec 2009
Location: Canadian Rockies
Posts: 1,280
Rewards Points: 500
Default

Do I Need Soffit Baffles If I Don't Have Soffit Vents???


I would add the baffles to save money for the cost of the material which will blow into the soffit space.
How is the attic vented?

__________________
Quote:
Originally Posted by Bud Cline View Post
Go ahead and apply for a variance, those guys at City Hall can use a good laugh.
jlhaslip is offline   Reply With Quote
Old 10-27-2010, 10:47 AM   #3
Newbie
 
Join Date: Mar 2010
Posts: 28
Rewards Points: 25
Default

Do I Need Soffit Baffles If I Don't Have Soffit Vents???


It's a 1960s era ranch so it just has the vents on the ends of the peaks of the roof and also has an attic fan. I know this isn't optimal and I MAY end up adding soffit vents later but not for a couple of years.

Adding the baffles won't save me money, in fact it will likely cost me more as the ones I saw at HD and Lowes cost about $1.80 a piece and the insulation only costs like $10 a bundle. I would be saving roughly 1 square foot of insulation with each baffle and each bag has roughly 17 square feet of insulation at the depth I will be blowing. So I would spend $1.80 to save $0.59 (net loss of $1.21 per baffle installed). Plus it would be a huge pain in the butt to install all those baffles as the area where they would be installed is a tight area to get to and I would need about 60 to cover all the areas where the soffit is exposed.

So is there any technical reason I should install the baffles? I understand that if I don't and then go back and install soffit vents later it will be much more mess and hassle. But the attic of this house currently looks good and it's been that way for 40+ years so in my mind I probably really don't need to add the soffit vents (or baffles).
jobondur is offline   Reply With Quote
Old 10-27-2010, 11:44 AM   #4
Registered User
 
Join Date: Mar 2009
Posts: 9,968
Rewards Points: 2,000
Default

Do I Need Soffit Baffles If I Don't Have Soffit Vents???


If no ice dams or mold inside on the roof sheathing in 40 years, that's a pretty good track record. I would air seal the attic from all holes in the top plates, etc. before adding more insulation: http://www.rd.com/how-to-seal-attic-...icle18158.html
Seal the attic hatch access door to be certain the attic fan doesn't draw the house conditioned air out along with the gas unit's back-draft. http://www.nachi.org/attic-ventilati...s-part1-25.htm
If in a hot climate, the attic venting will help with your AC's loads: http://www.buildingscience.com/docum...on?full_view=1

Most roofing manufacturers require venting for their warranty.

Some roofs shouldn't be vented, depends on conditions and location: http://www.fpl.fs.fed.us/documnts/pdf1999/tenwo99a.pdf

Gary
__________________
If any ads are present in my answer above, I do not condone/support/use the product or services listed, they are there against my permission.
Gary in WA is offline   Reply With Quote
Old 10-27-2010, 12:20 PM   #5
Member
 
Join Date: Sep 2008
Posts: 156
Rewards Points: 150
Default

Do I Need Soffit Baffles If I Don't Have Soffit Vents???


I would install baffles now if you ever plan on venting the soffits.
240sx4u is offline   Reply With Quote
The Following 2 Users Say Thank You to 240sx4u For This Useful Post:
1910NE (10-27-2010), jlhaslip (10-27-2010)
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
No soffit vents needed? MikeNY Roofing/Siding 4 08-24-2010 04:30 PM
Attic baffles but no overhang or soffit vents. Ptron Roofing/Siding 12 08-04-2010 10:51 AM
Installing Soffit vents w/finished attic Nathan0115 Roofing/Siding 6 06-04-2010 09:05 PM
Soffit vents on older houses with "curved" ceilings Labman101 Roofing/Siding 2 02-07-2010 10:33 PM
Soffit Vents Sammy Building & Construction 9 07-07-2008 06:31 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.