[Greenbuilding] Motorized Caulk Guns

[John F Straube]

It will depend on the sealant chemistry, particularly the solvent. It should deb possible to find out from the manufacturer or even the literature on the bucket.
We have used acrylic sealants between seams, applied with a wide putty knife rather than a caulking gun.  Look at a product like BASF Enershield.  Absolutely compatible with EPS. It is not likely to crack, but then, acoustical sealant could also have small areas of debunking.  Both depend more on workmanship than material science.


On Mar 30, 2014, at 7:21 PM, conservation architect <elitalking at rockbridge.net> wrote:

> I will repeat Frank's question, "Does acoustiseal eat at the eps as a solvent?"
> 
> In the articles I have read in Journal of Light construction, they have advocated using acoustical sealant in foam seams because it does not set up and is less likely to dry up and crack when there is slight movement.
> 
> Eli
> 
> -----Original Message----- From: Frank Tettemer
> Sent: Friday, March 28, 2014 5:15 PM
> To: Greenbuilding at bioenergylists.org
> Subject: Re: [Greenbuilding] Motorized Caulk Guns
> 
> Hi Eli,
> 
> As an aside, this cautionary question comes up for me.
> 
> Does acoustiseal eat at the eps as a solvent?
> 
> Frank
> ................................................................................................................................................
> eli talking wrote:
> 
> I saw a reference to a motorized caulk gun in JLC article on making
> homes air tight.  Instead of throw away tubes, it used a 5 gallon
> bucket(+-?).  Do any on the list have experience with this equipment.
> Seems like it could be faster to apply and have less waste.  I am
> preparing for a job where we will be sealing seams of eps with
> acoustical sealants.
> Thanks
> Eli
> 
> -- 
> Frank Tettemer
> Living Sol ~ Building and Design
> www.livingsol.com
> 613 756 3884
> 
> 
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John F Straube
jfstraube at uwaterloo.ca
www.JohnStraube.com