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Tim Marlett's Discussions

Blower Door Depressurization and the Human Ear
4 Replies

Started this discussion. Last reply by Bud Poll Aug 24, 2012.

Blower Door Depressurization and the Human Ear
3 Replies

Started this discussion. Last reply by Paul Morin Aug 30, 2012.

Meth Labs
4 Replies

My friend does home inspections for Section 8 Housing. In a short 30 second conversation in passing, he opened my eyes to a potential problem I have been faced with before, but was uneducated about…Continue

Started this discussion. Last reply by Tim Marlett Jul 26, 2012.

Sealing Vapor Barriers to Concrete Foundations
14 Replies

Was just looking for some input on different techniques for ensuring a permanent seal between a block foundation wall, and a 6 mil. poly barrier resting on a dirt crawlspace floor? If one could…Continue

Started this discussion. Last reply by Rob Orchard Dec 13, 2012.

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Tim Marlett's discussion was featured

Sealing Vapor Barriers to Concrete Foundations

Dec 14, 2012

14 Comments

Rob Orchard replied to Tim Marlett's discussion Sealing Vapor Barriers to Concrete Foundations

"Your Crawlspace Inc. sells a vapor barrier specifically designed for crawlspace wall applications and requires no mechanical fasteners. It is installed in one step with a VOC compliant polyurethane adhesive. Since water is a catalyst for…"

Dec 13, 2012

Paul Morin replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"This article (http://www.ncbi.nlm.nih.gov/pubmed/17587417) shows that the measured cabin pressure in an airplane changes by 5000 Pa during flight. This will certainly cause discomfort but is unlikely to cause damage. I wouldn't be…"

Aug 30, 2012

Michael Blasnik replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"This concern is rather silly. The pressure difference created across the ear by a blower door is on the order of what an elevator ride up 3 floors would create or sliding diwn a tall slide. It's much smaller than taking an elevator up a high…"

Aug 26, 2012

Glen Gallo replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"I would be uncomfortable with an infant in the house due to air quality. Think about sucking all the air from the nether regions and what it might trigger. I request animals and small children not to be present."

Aug 25, 2012

Bud Poll replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"Not at all. Bud "

Aug 24, 2012

Sean Lintow Sr replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"Nice point Bud & I might have to actually add that to the article assuming you don't mind"

Aug 24, 2012

Bud Poll replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"I agree with Sean about "the other contaminants" and in general, whether they understand how slight 50pa is or not, that doesn't stop them from telling everyone you did bad. But, here is another example of how small 50 pa really…"

Aug 24, 2012

Sean Lintow Sr replied to Tim Marlett's discussion Blower Door Depressurization and the Human Ear

"Here is a chart I did showing the pressures: Unit to pascal 25 Pa 50 Pa 75 Pa 1 atmosphere = 101,325 Pa 0.000 247 0.000 49 0.000 74 1 bar = 100,000 Pa 0.000 25 0.000 50 0.000 75 1 PSI = 6,894.76 Pa 0.003 63 0.007 25 0.0108 1 in Hg = 3,386…"

Aug 24, 2012

Tim Marlett's discussion was featured

Blower Door Depressurization and the Human Ear

Has anyone ever heard of blower door depressurization effecting infants ears? Is there a place where one could find out more about the subject? Met a respectable individual that would not perform door testing with homes that have infants present. Seems like something that could be of concern. Thanks in advance for your thoughts and info.See More

Aug 23, 2012

3 Comments

Tim Marlett posted discussions

Aug 23, 2012

Pat Dundon replied to Tim Marlett's discussion Sealing Vapor Barriers to Concrete Foundations

"usually you are running an exhaust fan while we do the work, and we hacve occasionally left a fan blowing for several hours afterwards to evacualte odors. not necessarily VOC's, but amines, etc. there havebeen jobs i have declined…"

Aug 9, 2012

Richard Scott Mills replied to Tim Marlett's discussion Sealing Vapor Barriers to Concrete Foundations

"Any problems w/ VOC in crawl space during application or migration to home through floor?"

Aug 9, 2012

Ed Minch replied to Tim Marlett's discussion Sealing Vapor Barriers to Concrete Foundations

"Pat I have no doubt that the ratio is 1:1, but not all are the identical formula. We have been doing this for about 10 years and have had occasion to get back in to see up to 3-4 years later - no problem. The 2 inch board is not extruded…"

Aug 2, 2012

Pat Dundon replied to Tim Marlett's discussion Sealing Vapor Barriers to Concrete Foundations

"i haven't heard of this before. as far as I know all urethanes are 1:1 ratio, so i would sooner believe the resin/iso mix is 1:1, but the chemical reaction time is slowed a lot. have you gone back to one of these a month or…"

Aug 2, 2012

Ed Minch replied to Tim Marlett's discussion Sealing Vapor Barriers to Concrete Foundations

"The foam manufacturer's make an extra sticky single part foam - same chemicals as the air sealing foam, different proportions. We use Convenience Products Foam and they make one called Panel Foam. This sticks the plastic up quite…"

Aug 2, 2012

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Company: Superior Insulation- WNY Energy Auditor, NRCERT, and 411 Energy Experts- Contract Trainer

Professional Certification: BPI BA, BE, Heat, Written and Online Proctor, BPI Recognized Trainer

Professional Interests: Multipoint BD, and Multifamily Auditing. Have and am currently writting Home Performance Cirriculm for Future home performance classes. Actively working toward creating the workforce required for the NYS Green Jobs Intitiative, while advancing the specific goals of BPI.

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At 6:20am on April 19, 2012, Diane Chojnowski said…: Hi Tim,

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!

Thanks!
Diane, HEP Moderator

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