[Greenbuilding] attic insulation in Seattle house

[Kenn Brown]

Sacie, 

Check the temperatures along the pacific coast at Seattle, warm and humid. I
was at Ft. Lewis in December on my way to Korea in 1954, didn't seem like
winter and continuous' humidity. Read what Listiburek says about that
climate.  I would think that it would be good to keep the moisture out of
the attic. 

Kenn Brown 

Environment Sensitive Pest Control 

Environmentsensitive.com 

512 805 7777

kenn at environmentsensistive.com 

  _____  

From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of Sacie
Lambertson
Sent: Thursday, November 10, 2011 8:14 PM
To: Greenbuilding
Cc: Dan
Subject: [Greenbuilding] attic insulation in Seattle house

 

All, I would appreciate advice.  I am going to Seattle to help our son
install insulation in an unconditioned attic in a 1906 house that has been
completely upgraded with insulation everywhere except the attic.  (As an
aside, I was amazed to find in Seattle NO pre-50s houses on the market had
attic insulation and most had none in the walls either--pretty amazing).

We plan to carefully seal any openings between the conditioned space below
and the attic, then blow in however much cellulose we need.

J. Listiburek is quite adamant about the need for a wash of air via
continuous soffit ventilation when insulating this way.  But no one in the
Seattle marine climate has continuous soffits vents.  What is our
alternative?  What else should we be concerned about?  Ice dams btw are not
a problem in Seattle.

L. doesn't like one to store anything in the attic either, but if one has
walk-in space up there, why not?  What are the considerations here?

Thanks,  Sacie

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