[Greenbuilding] Insulatin over existing exterior siding

[Clarke Olsen]

This sounds unlikely, but someone should determine that there is sheathing. It not, then removing all the siding,
one wall at a time... is the obvious path.
Clarke Olsen
clarkeolsendesign.com
373 route 203
Spencertown, NY 12165 
USA
518-392-4640
colsen at taconic.net



> 
> On Wed, Dec 27, 2017 at 5:03 PM, Lynelle Hamilton <lynelle at lahamilton.com> wrote:
> Posting for a friend.
> 
> She is extensively renovating a 1960's bungalow with no insulation and air leaks.  Existing exterior is aluminum siding, likely over clapboard. She has not pulled any siding to see if there is clapboard under the aluminum. 
> 
> Location is Hamilton, Ontario. 
> 
> She wants to seal, insulate and apply new siding and install new windows. Windows will use some existing openings and add others. Some openings may be closed or reduced. She plans to strip the aluminum, but has had conflicting opinions on whether to strip any clapboard underneath. 
> 
> Told her I'd tap the expertise of this group!
> 
> Thanks in advance,
> 
> Lynelle
> 
> 
>  	
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> 
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