Bud Poll
  • Male
  • Hampden, ME
  • United States
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Bud Poll's Discussions

Basing air exchange on house volume??

I have long objected to including a basement volume when calculating air exchange as it just doesn't leak like the rest of the house.  In fact using the house volume is an extremely poor substitute…Continue

Tags: exchange, air

Started on Thursday

Cellulose As An Air Seal
14 Replies

I often hear people proclaim that a thick layer of cellulose will seal all of those air leaks below, thus eliminating the need to dig through, or remove, the old insulation before adding the new. …Continue

Tags: sealing, air, cellulose

Started this discussion. Last reply by Bpb Farmer Dec 7.

Inconsistant Local Authority
2 Replies

It becomes frustrating to give people modern advice and then have to backtrack and tell them to do as the local authority requires regardless of right, wrong, or inbetween.  Personally challenging…Continue

Started this discussion. Last reply by Richard L. Sanderson Oct 24.

Another benefit from air sealing
9 Replies

From our perspective air sealing should often be the first step, but when explaining its importance to the home owner they often see the cost and hassle as too much and just want to add more…Continue

Started this discussion. Last reply by tedkidd Sep 4.

 

Bud Poll's Page

Latest Activity

Bud Poll posted a discussion

Basing air exchange on house volume??

I have long objected to including a basement volume when calculating air exchange as it just doesn't leak like the rest of the house.  In fact using the house volume is an extremely poor substitute for not knowing the amount of pollutants that need to be diluted.If one determines that a house needs a continuous 20 CFM of fresh air, then the final concentration of pollutants will basically be independent of the house volume.  Smaller homes will adjust faster than larger homes and since the added…See More
Thursday
Bud Poll's discussion was featured

Cellulose As An Air Seal

I often hear people proclaim that a thick layer of cellulose will seal all of those air leaks below, thus eliminating the need to dig through, or remove, the old insulation before adding the new.  Unfortunately, 2 feet of cellulose is probably no better than 2 inches (my opinion) and even less so if it is over the top of an old layer of fiberglass.If we look at a single 1/2" hole through the top plate, if it led to a 2' section of copper pipe filled with the same cellulose there would…See More
Dec 8
Bpb Farmer replied to Bud Poll's discussion Cellulose As An Air Seal
"Amen Pat!!!"
Dec 7
Bpb Farmer replied to Bud Poll's discussion Cellulose As An Air Seal
"Ed, That nasty insulation you are speaking of would be the squirrel,  mouse and rat feces / latrines which harbor deadly bacteria and viruses. Not counting the dead carcasses of all of the above.  The dust from cellulose, fiber glass and…"
Dec 7
Bpb Farmer replied to Bud Poll's discussion Cellulose As An Air Seal
"Amen Mr. Bud Poll. You are absolutely correct. Now if more of the public educate themselves so they can protect themselves from being conned  into wasting their energy dollars with the words "cheap compared to" .  The old saying…"
Dec 7
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Russell -  "Precision Air Sealing seems hopeless in a previously insulated attic, short of peeling most of it back so you're sure you find all the wall tops, lights, abandoned ceiling light JB's, pipe and wiring…"
Dec 6
Pat Dundon replied to Bud Poll's discussion Cellulose As An Air Seal
"Ed, we do a lot with older farmhouses and more with 80+ year old general houses. In houses that old, the crack the intruders used has been well known for generations of their type and the trash they leave is significant. One church had 8" of…"
Dec 6
R Higgins replied to Bud Poll's discussion Cellulose As An Air Seal
"Thanks for confirming Cellulose doesn't make a stellar air seal, always wondered. Can't compete with those who've done 10,000 roofs and even make a living at it, but here's my ONE experience, which the pros from Dover might find…"
Dec 6
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Pat, we have been paid to remove old insulation in perhaps 4-5 attics out of the 10,000+ retrofits that we have completed,and this was always because we couldn't talk the HO out of it.  We have never had an odor complaint.  I would…"
Dec 6
Pat Dundon replied to Bud Poll's discussion Cellulose As An Air Seal
"I see a lot of fiberglass batts that were installed poorly in many ways.  The most common leave the fiberglass suspended some distance from the sheetrock.  Nailers, furring, the everyday bypasses we all see, wires, pipes, catwalks,…"
Dec 6
Bud Poll replied to billy g pinnick jr's discussion Blower Door Question
"Hi billy, It is a trick question.  If every hole has 50 pa pressure across it, then every hole you seal will reduce the CFM50 reading precisely by the amount of air that was passing through.  The trick comes in, and I believe the reason…"
Dec 6
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Terry Degree of difficulty makes all the difference, and all of our auditors started out in attics so they understand this stuff to prpperly estimate time. A 1000-1200 ft2 attic with no surprises and a soffit or two, 2 men, 2 hours = 4 man hours and…"
Dec 5
terry nordbye replied to Bud Poll's discussion Cellulose As An Air Seal
"Any idea on how much time you spent with the can of foam air sealing the top plates and penetrations? And what was the access factor to attic, both into the attic and in the attic (crawling, stooping, bending, on your knees, ect) ..........terry"
Dec 5
Bud Poll replied to Bud Poll's discussion Cellulose As An Air Seal
"@ Ed "It all comes down to quality control of your team in the attic." Doing the job right is definitely a key factor and assuming the existing insulation isn't totally disgusting it may be of some value.  But this is one of…"
Dec 5
Ed Minch replied to Bud Poll's discussion Cellulose As An Air Seal
"Bud Not sure I agree with you on this.  The proper way to do this in my book is to brush aside the old insulation or move batts - regardless of what material it is - in the appropriate locations, seal the cracks, then move the insulation back…"
Dec 5
Bud Poll replied to Bud Poll's discussion Cellulose As An Air Seal
"Thanks for the reply Ed, I agree that all cellulose is better than all fiberglass, it is the practice of adding cellulose over the top of existing fiberglass insulation that I feel yields fewer benefits than anticipated.  From what I have…"
Dec 5

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Company
My Energy Workshop LLC
Professional Certification
BPI
Professional Interests
Energy Efficiency
New Energy Efficiency Tools
Website URL
http://MyEnergyWorkshop.com

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At 1:08pm on June 28, 2011, Diane Chojnowski said…

Hi Bud,

Welcome to Home Energy Pros! 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. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

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