[Greenbuilding] Insulation fasteners

[Clarke Olsen]

Hanging 5" with fasteners sounds precarious, unless they are 3/8" lag bolts, not to mention the difficulty of hitting a stud. It might be necesary to fasten another stud, maybe at every second or third (32 or 48 oc) to avoid the dreaded siding sag.
Clarke Olsen
clarkeolsendesign.com
373 route 203
Spencertown, NY 12165 
USA
518-392-4640
colsen at taconic.net




On Nov 14, 2012, at 9:34 AM, Alan Abrams wrote:

> what goes over the final layer of foam?  furring strips and siding?  synthetic stucco?
> 
> -AA
> 
> Alan Abrams
> certifed professional building designer, AIBD
> certified passive house consultant, PHIUS
> Abrams Design Build LLC
> sustainable design for intentional living
> 6411 Orchard Avenue Suite 102
> Takoma Park, MD 20912
> office  301-270-NET- ZERO (301-270-6380)  
> fax      301-270-1466      
> cell     202-437-8583
> alan at abramsdesignbuild.com
> www.abramsdesignbuild.com
> 
> 
> 
> On Wed, Nov 14, 2012 at 8:07 AM, <bill.allen at verizon.net> wrote:
> Hi,
> I am in the process of putting rigid insulation on an out building.  I am installing 2 layers of 2" styrofoam. I found 3" "nails" (very thin with plastic washers to hold the foam) but am having trouble finding fasteners for the next layer....I'm figuring 6" (2x2"foam+1"sheathing + 1" in the stud).
> Any suggestions would be greatly appreciated. Regular nails that big are WAY too expensive.
> I will also need a fastener (maybe a screw?) for the next layer...the occasional nailer that will hold the siding. What do people use?
> Thanks,
> Bill
> 
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