[Greenbuilding] Insulated overhangs

Leslie Moyer unschooler at lrec.org
Fri Mar 11 10:01:54 CST 2011


Do you happen to have a photo of this, perchance?  (I want to remove some white vinyl siding that was on our house when we purchased it--it was poorly installed making it double-ugly!)

--Leslie

On Mar 10, 2011, at 6:44 PM, RT wrote:

> On Mon, 07 Mar 2011 22:28:39 -0500, JOHN SALMEN <terrain at shaw.ca> wrote:
> 
>> I've made it a practice in the pnw to air seal and insulate overhangs -
>> especially large overhangs or porches. It seems like a waste but too much
>> moisture and potential for condensation = mildewy soffits.
> 
>> The soffit wood is natural t&g so cannot reliably be sealed on the exterior.
> 
> No recommendations but I can talk about what I've done for soffits.
> 
> I've never liked the aesthetic of looking out a window to see a broad expanse of aluminum soffit overhead so where soffits are necessary, I like to rip 1x Cedar into 1.75"  to 2.5" wide strips and space them about 1" apart with insect screen backed-up by expanded metal lath on the backside (ie topside) to keep insects and toothy critters out.
> 
> The cedar is planed and sanded but not sealed.
> 
> There seems to be sufficient air movement in and around the wood strips to avoid moisture-related problems.
> 
> -- 
> === * ===
> Rob Tom
> Kanata, Ontario, Canada
> < A r c h i L o g i c  at  Y a h o o  dot  c a >
> manually winnow the chaff from my edress if you hit "reply"
> 
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