Results 1 to 4 of 4
  1. #1
    Join Date
    Mar 2007
    Location
    Plano, Texas
    Posts
    166

    Default Seal it or Vent it?

    Just did a 1 year warranty inspection on a big home and it had a really nice 8 to 10 inch closed foam insulation job. The attic was sort of warm though and I thought it may have something to do with the fact the builder left two large gable vents open to the attic. Couldn't believe it! If that wasn't enough there was an extra pvc vent (must have moved the tankless water heater) through the roof that also let in a little air and moisture. Upstairs took a little longer to cool when I ran the AC. I think I would want a rebate on my electric and gas bill from the builder. I don't know how they are going to get to the vents to seal and insulate since the HVAC is blocking one of them and the other is through a pretty tight space.

    Similar Threads:
    ***IMPORTANT*** You Need To Register To View Images ***IMPORTANT*** You Need To Register To View Images
    Inspection Referral SOC

  2. #2

    Default Re: Seal it or Vent it?

    What a deal! Build a boat and punch two large holes in the hull, then sell it.

    After the fact: As you correctly surmised, the gables need to be sealed and insulated. It doesn't look to be impossible to get to the second one, hire a skinny guy.

    The tankless water heater venting (both supply and exhaust) needs to be directly connected to the exterior and all associated penetrations need to be properly sealed against the entry of both air and water.

    The original builder should be held to account.

    Quote Originally Posted by Gary Burnett View Post
    Just did a 1 year warranty inspection on a big home and it had a really nice 8 to 10 inch closed foam insulation job. The attic was sort of warm though and I thought it may have something to do with the fact the builder left two large gable vents open to the attic. Couldn't believe it! If that wasn't enough there was an extra pvc vent (must have moved the tankless water heater) through the roof that also let in a little air and moisture. Upstairs took a little longer to cool when I ran the AC. I think I would want a rebate on my electric and gas bill from the builder. I don't know how they are going to get to the vents to seal and insulate since the HVAC is blocking one of them and the other is through a pretty tight space.



  3. #3
    Join Date
    Mar 2007
    Location
    Plano, Texas
    Posts
    4,193

    Default Re: Seal it or Vent it?

    Quote Originally Posted by Gary Burnett View Post
    Just did a 1 year warranty inspection on a big home and it had a really nice 8 to 10 inch closed foam insulation job. The attic was sort of warm though and I thought it may have something to do with the fact the builder left two large gable vents open to the attic. Couldn't believe it! If that wasn't enough there was an extra pvc vent (must have moved the tankless water heater) through the roof that also let in a little air and moisture. Upstairs took a little longer to cool when I ran the AC. I think I would want a rebate on my electric and gas bill from the builder. I don't know how they are going to get to the vents to seal and insulate since the HVAC is blocking one of them and the other is through a pretty tight space.
    That is one of the problems around our area, lack of knowledge. They try to do a hybrid since they are not really sure about the science or execution of the newer method. I see it all the time with natural draft gas appliances. Kind of like getting into a boat while you hang onto the dock, either get in or out but don't keep one foot in and one foot out!

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  4. #4
    Join Date
    Oct 2018
    Location
    IL
    Posts
    4

    Default Re: Seal it or Vent it?

    I agree. The original builder should really be held accountable.


Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •