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  1. #1
    Join Date
    Oct 2012
    Location
    Shelby NC
    Posts
    129

    Default Foam insulation as an exterior wall covering

    Anyone know if this foam insulation can be used as an exterior wall covering. This was on a 1970 warehouse turned house.1st story is cmu, 2nd is wood frame with wood siding. This stuff is direct applied to both. Numerous holes. The material beneath the pigmented covering is brown crumbly. Several places around windows where the sill sloped back to the window. It has been applied since vinyl thermal windows were installed.

    F.I.R.E. Services

  2. #2
    Join Date
    Mar 2007
    Location
    Spring Hill (Nashville), TN
    Posts
    5,847

    Default Re: Foam insulation as an exterior wall covering

    Is that a sprayed on foam? If it is, I have seen it used on commercial freezer buildings but they are not wood structures! I'm sure the wood is more like garden mulch do to water seepage and condensation....

    It's a train wreck!

    Scott Patterson, ACI
    Spring Hill, TN
    www.traceinspections.com

  3. #3
    Join Date
    Mar 2007
    Location
    NoCal
    Posts
    237

    Default Re: Foam insulation as an exterior wall covering

    Quote Originally Posted by Scott Patterson View Post
    Is that a sprayed on foam? If it is, I have seen it used on commercial freezer buildings but they are not wood structures! I'm sure the wood is more like garden mulch do to water seepage and condensation....

    It's a train wreck!
    Agreed! This is a big problem - as in water intrusion and fungus growth - and likely getting into the framing. Recommend intrusive investigation. Tear down that wall, Mr Gorbachev.


  4. #4
    Join Date
    Mar 2012
    Location
    Lansdale, PA
    Posts
    876

    Default Re: Foam insulation as an exterior wall covering

    Looks a bit like Polyurethane spray foam used for roofing. Problem is for walls you have windows and more chance for physical damage. It creates an exterior moisture barrier, which may not be good unless the walls can dry to inside. It should be removed.


  5. #5
    Join Date
    Aug 2011
    Location
    Bennett (Denver metro), Colorado
    Posts
    1,394

    Default Re: Foam insulation as an exterior wall covering

    Kind of like EIFS, works great as long as the surface is perfect and there is no way for water to penetrate.

    If they put a double layer drainage plane beneath it, it will likely work but foam, as we know, does not hold up well when exposed to weather and physical damage.

    If you choose not to decide, you still have made a choice.

  6. #6
    Join Date
    Mar 2007
    Location
    New Mexico
    Posts
    1,258

    Default Re: Foam insulation as an exterior wall covering

    It looks exactly like the foam roofing used here sometimes. Right down to the bubbles and exposed yellow foam. Not a great product, in my opinion. It's a constant battle to keep the outer later intact, and it usually ends up looking like your photo.

    Jim Robinson
    New Mexico, USA

  7. #7
    Join Date
    Oct 2012
    Location
    Massacusetts
    Posts
    149

    Default Re: Foam insulation as an exterior wall covering

    Unless your customer is planning on gutting this place or taring it down, I would would call for a very detailed environmental evaluation

    1. We have an issue of things growing in this foam since it has bee breached
    2. What was the warehouse used for - what was stored there
    3. what is in the soil surrounding it , what is in the air inside

    Just because some one converted it to a residential unit doesn't mean that they didn't leave something behind - ask your self Why does this foam have warts ? (because it is sick) , Seriously , I have real issues with commercial buildings being converted on the cheap and that is what this looks like - for all we know the foam is growing warts because someone was making Meth inside - or it was used for chemical storage - too many questions for me and this needs a company with real good environmental science (not just test kits out of box either - this needs a Gas Chromatigraph brought on site to sample the air if there is not enough history to know exactly what was stored here) what happened to the previous occupants ?

    OK going over the top - maybe but I don't have all the facts either


  8. #8
    Join Date
    Feb 2008
    Location
    Caledon, Ontario
    Posts
    5,005

    Default Re: Foam insulation as an exterior wall covering

    Dozer time.


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