Haley Keegan
  • Chicago, IL
  • United States
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Haley Keegan's Discussions

Baffles without soffit vents?

Started this discussion. Last reply by Eric Kjelshus Sep 9. 14 Replies

Hi all - I recently saw a contractor installing baffles in an attic that didn't have soffit vents - they had gable vents. Do others see this? And are there real benefits to this, maybe by keeping the…Continue

Tags: vents, roof, baffles

 

Haley Keegan's Page

Latest Activity

Eric Kjelshus replied to Haley Keegan's discussion Baffles without soffit vents?
"Unless the soffit is caulked or foamed sealed there's lots of holes.   Some time put smoke/fog/light in an attic  and see the holes.   I was watching fiber glass breath the smoke with air flow.   "
Sep 9
Mark Furst replied to Haley Keegan's discussion Baffles without soffit vents?
"Sounds like a case of "old habits die hard". The sub contractor was probably just installing the things they've always been told to put in. Having no soffit venting is fine (my own 1930's home only has gable vents) but the attic…"
Sep 5
Mark Furst replied to Haley Keegan's discussion Baffles without soffit vents?
"This is true, it does happen, but it tends to not last very long as temperatures even out between inside and out, generally making it a non-event.  The leaky houses are the problem (in winter, up north), where an endless stream of warm moist…"
Sep 5
Sean Lintow Sr replied to Haley Keegan's discussion Baffles without soffit vents?
"Moisture comes from inside & outside (not including the famous bath fans & dryers that vent into the attic) - a ventilated roof is to help reduce minimal loads that do get in to these…"
Sep 2
Brad Cook replied to Haley Keegan's discussion Baffles without soffit vents?
"Even in a cold attic above a tightly sealed house, you can have condensation in colder climates. Think of a relatively warm, sunny day in winter heating up the attic air as it exchanges with outside air. Warmer air can hold more moisture. At night…"
Sep 2
Brad Cook replied to Haley Keegan's discussion Baffles without soffit vents?
"I didn't say never. Read my qualifying remarks regarding walls.,"
Sep 2
Sean Lintow Sr replied to Haley Keegan's discussion Baffles without soffit vents?
"Wet insulation = less R Value & if in direct contact with sheathing it can get soaked (it still can with a gap if it drops on it - but that means you have an even bigger issue) As you said it all depends on just how much water vapor /…"
Sep 2
Michael Dunseith replied to Haley Keegan's discussion Baffles without soffit vents?
"The question I have is - Where did the moisture/ vapor come from? If you have a moisture problem in the attic the solution is not just to add a baffle so the insulation doesn't touch the sheathing. A better question is why do you have warm…"
Sep 2
Brad Cook replied to Haley Keegan's discussion Baffles without soffit vents?
"The whole rationale for venting a roof is to provide a path for moisture to escape. The standards date back to the 1930s when fiberglass was beginning to be popular as insulation. Air moves through the fiberglass and if the roof deck is below the…"
Sep 1
Sean Lintow Sr replied to Haley Keegan's discussion Baffles without soffit vents?
"Ever seen insulation frozen to a roof deck? The problem at least further up north & shoot even other areas down south is moist air flowing through the insulation & then hitting the condensing surface. If said insulation is touching the…"
Aug 30
Paul Raymer replied to Haley Keegan's discussion Baffles without soffit vents?
"Sean -  I'm curious as to why you say the insulation should never touch the sheathing?  That's one I haven't heard before.  Insulation in walls touch the sheathing.  I've never liked soffit venting, and…"
Aug 29
Robin Henry replied to Haley Keegan's discussion Baffles without soffit vents?
"I would imagine that they did that so that they didn't have to worry about wasting insulation getting onto the soffits (assuming they were installing loosefill and not batts)"
Aug 26
Haley Keegan replied to Haley Keegan's discussion Baffles without soffit vents?
"Thank you!"
Aug 12
Sean Lintow Sr replied to Haley Keegan's discussion Baffles without soffit vents?
"Yes  insulation should never touch the sheathing unless it is meant to & designed as a hot roof system. The other item is future proofing - they may close off gables &/or install soffit venting later or even add inline / intake/ eave…"
Aug 12
Haley Keegan posted a discussion

Baffles without soffit vents?

Hi all - I recently saw a contractor installing baffles in an attic that didn't have soffit vents - they had gable vents. Do others see this? And are there real benefits to this, maybe by keeping the insulation from touching the underside of the roof to protect it from extreme temps or condensation? Do others think the time/costs are worth it? See More
Aug 12

Profile Information

Company
Resource Innovations
Role in Home Performance Marketplace
Energy efficiency / Weatherization program administrator or implementer / evaluator
Professional Certification
BPI
Website URL
http://resource-innovations.com
LinkedIn Profile
https://www.linkedin.com/in/haleykeegan/

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At 11:15am on April 19, 2018, Diane Chojnowski said…

Hi Haley,

Welcome to Home Energy Pros Forum. Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos, and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo.

Thanks!

Diane, HEP Forum Moderator

 
 
 

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