2015-0344 Lonac addition3 - McNurlen.pdf
City of Edmonds
PLAN REVIEW COMMENTS
BUILDING DIVISION
(425) 771-0220
DATE: May 5, 2015
TO: Robert & Kathleen Lonac
kwlonac@gmail.com
FROM: Chuck Miller, Plans Examiner
RE: Plan Check: BLD2015-0344
Project: Lonac addition
Project Address: 830 Cary Road
During a review of the plans by the Building Division for the above noted project, it was found that
the following information, clarifications, or changes are needed. A complete review cannot be
performed until the revised plans/documents, including a written response indicating where the
clouded or otherwise highlighted changes can be found on the revised plans, have been submitted
to a Permit Coordinator. Reviews by other divisions, such as Planning, Engineering, or Fire, may
result in additional comments.
On sheet 2:
1.Detail B Roof/Eave
The review comment response added to the plans states: The roof will not be furred down
to accommodate the R-38 insulation. It will be solid spray foam insulation in existing 2x6 to
not cause the need for additional fire blocking and to maintain the height while achieving the
required insulation level..
a.Clarify the difference in the depth of the existing rafters noted in the response and
of that represented elsewhere on the plans.
b.Provide on the plans the following information regarding the solid spray foam
insulation to be installed:
The air permeability of the product/required minimum thickness to be applied
·
to be considered air-impermeable.
The required thickness of product to be installed to meet the minimum
·
insulation value of R-38.
c.Provide on the plans information regarding the compatibility of the asphalt shingle
roof covering to be installed with unvented attic/rafter spaces. Many manufacturers
do not warrant installations over spray foam insulation.