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SPRINGFIELD
COUNTY hit. 'OREGON
Exterior Wall Envelope
Self-Certification Form
1 J l v C 14 , am the general contractor or the
owner-builder at the following address:
Street Address
1 City
j . Permit#
' To conform to the 2011 Oregon Residential Specialty Code (ORSC), Section
1 R703.1.1, I am notifying the building official that I am aware of the exterior wall
envelope requirements of R703.1.1, and hereby certify that the components of
,, the exterior wall envelope have been installed in accordance with the code
requirements. [Section R703.1.1 is provided for reference on the reverse side of
1 this form.]
1 ev� u�: ,Joy •
Print Name .
Signature
l ( 417,/2
Date
.
Revised: 2/8/2010 /
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Excerpt from 2011 Oregon Residential Specialty Code Section R703, Exterior Covering:
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R703.1.1 Exterior Wall Envelope. To promote building durability, the exterior wall envelope shall
be installed in a manner that water that enters the assembly can drain to the exterior.The envelope
` shall consist of an exterior veneer, a water-resistive barrier as required in R703.2,a minimum 1/8
inch space between the water-resistive barrier and the exterior veneer, and integrated fleshings as
• 'k•`, re uired in R703.8.The required space shall be formed by the use of any non-corrodible furring
4.� ..,,, q q P Y Y g
,:"�, strip, drainage mat or drainage board.The envelope shall provide proper integration of flashings .
"g ti iii r with the water-resistive barrierlthe space provided and the exterior veneer.These components, in
r w-'-conjunction,shall provide a means of draining water that enters the assembly to the exterior.
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. 1'.1-Ht -Exceptions: ° • • - •1 .
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1. A space is not required where the exterior veneer is installed over a water-resistive barrier
• complying with section R703.2 which is manufactured in a manner to enhance drainage and
meets the 75%drainage efficiency requirement of ASTM E2273 or other recognized
national standards.
2.- A space is not required where window sills are equipped with pan flashings which drain to
the exterior surface of the veneer in a through wall fashion.All pan flashings shall be it •
detailed within the construction documents and shall be of either a self-adhering
membrane complying with AAMA 711-07 or of an approved corrosion-resistant material or - •'
a combination thereof.Self-adhering membranes extending to the exterior surface of the y `.
veneer shall be concealed with trims or other measures to protect from sunlight. '<, =.k, r
3. A space is not required where the exterior veneer is manufactured in a manner to enhance i ��:i
drainage and meets the 75%drainage efficiency requirements of ASTM E2273 or other, 11
recognized national standards and is installed over a water resistive barrier complying with ,
• section R703.2.
4. A space is not required where the exterior veneer is matching an.existing exterior finish as ' s•
in additions, alterations, or repairs. - - ' • i -
A water-resistant exterior wall envelope shall not be required over`concrete or masonry •
8, walls designed in accordance with Chapter 6 and flashed according to section R703.7 or
_ R703.8.
t' 6. Compliance with the requirements for a means of drainage, and the requirements of -
Section R703.2 and Section R703.8,shall not be required for an exterior wall envelope that .
has been demonstrated to resist wind-driven rain.through testing of the exterior wall ,
• envelope, including penetrations , - -.
p g joints, enetrations and intersections with dissimilar materials, in ,�Y;,--
. accordance with ASTM E 331 under the following conditions: .i
6.1. Exterior wall envelope test assemblies shall include at least one opening,one.control ,
_ joint, one wall/eave interface and one wall sill.All tested openings and penetrations'':.
shall be representative of the intended end-use configuration.-
• 6.2. Exterior wall envelope test assemblies shall be at least 4 feet by 8 feet in size. - •
6.3. Exterior wall assemblies shall be tested at a minimum differential pressure of 6.24
pounds per square foot. rt4 -
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6.4. Exterior wall envelope assemblies shall be subjected to a minimum test exppsure {'-' ,
duration of 2 hours. °
. The exterior wall envelope design shall be considered to resist wind-driven rain where the
results Of the testing indicate that water did not penetrate:-control joints in,the exterior
wall envelope;joints at the perimeter of openings penetration;or intersections of
terminations with dissimilar materials.
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