Dave Hahn
  • Charlotte, NC
  • United States
Share on Facebook Share on Facebook Share
  • Featured Blogs
  • Discussions (1)
  • Events
  • Groups
  • Photos
  • Photo Albums
  • Videos

Dave Hahn's Friends

  • Energy Wise Solutions
  • Everblue Training

Dave Hahn's Discussions

Airflow "through" a building or "beneath" the exterior cladding

Started this discussion. Last reply by Tom Mallard Apr 14. 3 Replies

As a licensed home inspector in the southeast, I have observed residential structures (typically 15 - 25 years old) clad with vinyl lap siding that have particulate matter deposited at some of the…Continue

Tags: Envelope, Building, Airflow

 

Dave Hahn's Page

Latest Activity

Dave Hahn's discussion was featured

Airflow "through" a building or "beneath" the exterior cladding

As a licensed home inspector in the southeast, I have observed residential structures (typically 15 - 25 years old) clad with vinyl lap siding that have particulate matter deposited at some of the overlapping seams of the siding (see photos). This is typically observed on one side - presumably the leeward side.I've been of the impression that these “puff-like” markings are likely the result of dirt depositing on the siding from the movement of air in the space behind the siding due to changes…See More
Apr 26
Tom Mallard replied to Dave Hahn's discussion Airflow "through" a building or "beneath" the exterior cladding
"I'm suspecting the dust gets into the attic at the eaves where the largest pressure diff's are from the wind, from there down the wall outside the vapor barrier pumped through by gusts. The barrier job sounds too worthy for blow-through to…"
Apr 14
Dennis Heidner replied to Dave Hahn's discussion Airflow "through" a building or "beneath" the exterior cladding
"The last picture with fiber cement - looks like the pattern you might see from water. Is the fiber cement board on firring?  Blind nailing?  Did they paint the fiber board after installation and seal up the overlapping --- leaving only the…"
Apr 7
Rich Manning replied to Dave Hahn's discussion Airflow "through" a building or "beneath" the exterior cladding
"Interesting observation. It sounds like your a good Home inspector. It seems to me like the air movement is the  from the latter. The air is moving through the wall assembly caused by the Delta-P, and it is showing up where the…"
Apr 1
Dave Hahn posted a discussion

Airflow "through" a building or "beneath" the exterior cladding

As a licensed home inspector in the southeast, I have observed residential structures (typically 15 - 25 years old) clad with vinyl lap siding that have particulate matter deposited at some of the overlapping seams of the siding (see photos). This is typically observed on one side - presumably the leeward side.I've been of the impression that these “puff-like” markings are likely the result of dirt depositing on the siding from the movement of air in the space behind the siding due to changes…See More
Mar 31
Dave Hahn is now a member of Home Energy Pros
Jan 17, 2012

Profile Information

Company
Metrolina Inspection Services, LLC
Professional Certification
BPI BA, EP, WHALCI, HP
Website URL
http://www.metrolina-inspection.com
Facebook Page
Metrolina-Inspection-Services-LLC/128846277193742
LinkedIn Profile
http://www.linkedin.com/pub/dave-hahn/7/62/13b

Comment Wall (1 comment)

You need to be a member of Home Energy Pros to add comments!

Join Home Energy Pros

At 1:43pm on January 17, 2012, Diane Chojnowski said…

Hi Dave,

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

 
 
 

Videos

  • Add Videos
  • View All

Twitter

Latest Activity

Simon added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
Thumbnail

Wanted - Blower and door frame kit for Minneapolis system

Hi everyone,I'm new to this line of work and have bought some equipment (Minneapolis blower door…See More
3 hours ago
Simon replied to Steve Mann's discussion TEC Blower Door Frame in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Hi, I'm interested, but could you send to UK?,I'd pay shipping of course. My email is :-…"
3 hours ago
Simon replied to Jeffrey Anthony's discussion Blower Door Equipment - 9 shrouds, 10 fans, 5 fan controllers in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"Hi, if you able to sell sepereately, I'd be interested in a blower and a frame kit. My only…"
3 hours ago
Simon joined allen p tanner's group
Thumbnail

Energy Auditing Equipment for Sale, Trade or to Purchase

Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
3 hours ago
Simon is now a member of Home Energy Pros
7 hours ago
Rob Madden, Solar Home Broker joined Leslie McDowell, BPI's group
Thumbnail

Building Performance Institute (BPI)

BPI is the nation's premier standards development, quality assurance and credentialing organization…See More
16 hours ago
Rob Madden, Solar Home Broker posted a discussion

Indoor Air Quality Monitors and Meters

I'm considering purchasing the AirAdvice for Homes indoor air quality monitor but it seems to have…See More
17 hours ago
Rob Madden, Solar Home Broker joined Sean Lintow Sr's group
Thumbnail

Best Practices (Residential)

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what…See More
17 hours ago

© 2016   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service