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

Colin Genge posted events
4 minutes ago
Profile IconJon Turnbaugh, Lights N More and John Kamas joined Home Energy Pros
11 minutes ago
Amber Vignieri posted a blog post

Relay Network Targets Multifamily Housing Upgrades Nationwide

Affordable apartment buildings are home to more than 10 million American households, making them a…See More
1 hour ago
Tom White's video was featured

Robby Schwarz on Builder Collaboration

Hear Robby Schwarz, of EnergyLogic discuss the value Owens Corning brings to Thrive Home Builders.
5 hours ago
Crosbey Archery liked Don Hynek's discussion Testing "Magic Pak" units??
7 hours ago
Crosbey Archery joined Norm Bourassa's group
Thumbnail

Multifamily Buildings

For too long there has been relatively little EE focus on multifamily, but some new programs have…See More
8 hours ago
Crosbey Archery liked Crosbey Archery's blog post Energy Tips - Fresh Look at Heating and Cooling the Home
8 hours ago
tedkidd liked Luis Hernandez's discussion Airsealing an old basement ceiling
14 hours ago

© 2016   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service