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NOA No.: 12-1114.01
Expiration Date: 04/03/18
Approval Date: 04/04/13
Page 1 of 3
MIAMI-DADE COUNTY
PRODUCT CONTROL SECTION
DEPARTMENT OF REGULATORY AND ECONOMIC RESOURCES (RER) 11805 SW 26 Street, Room 208
BOARD AND CODE ADMINISTRATION DIVISION Miami, Florida 33175-2474
T (786) 315-2590 F (786) 315-2599
NOTICE OF ACCEPTANCE (NOA) www.miamidade.gov/economy
Owens Corning
One Owens CorningParkway
Toledo, OH 43659
SCOPE:
This NOA is being issued under the applicable rules and regulations governing the use of construction materials. The
documentation submitted has been reviewed and accepted by Miami-Dade County RER - Product Control Section to be
used in Miami Dade County and other areas where allowed by the Authority Having Jurisdiction (AHJ).
This NOA shall not be valid after the expiration date stated below. The Miami-Dade County Product Control Section
(In Miami Dade County) and/or the AHJ (in areas other than Miami Dade County) reserve the right to have this
product or material tested for quality assurance purposes. If this product or material fails to perform in the accepted
manner, the manufacturer will incur the expense of such testing and the AHJ may immediately revoke, modify, or
suspend the use of such product or material within their jurisdiction. RER reserves the right to revoke this acceptance,
if it is determined by Miami-Dade County Product Control Section that this product or material fails to meet the
requirements of the applicable building code.
This product is approved as described herein, and has been designed to comply with the Florida Building Code
including the High Velocity Hurricane Zone of the Florida Building Code.
DESCRIPTION: WeatherLock G & WeatherLock MAT
LABELING: Each unit shall bear a permanent label with the manufacturer's name or logo, city, state and following
statement: "Miami-Dade County Product Control Approved", unless otherwise noted herein.
RENEWAL of this NOA shall be considered after a renewal application has been filed and there has been no change
in the applicable building code negatively affecting the performance of this product.
TERMINATION of this NOA will occur after the expiration date or if there has been a revision or change in the
materials, use, and/or manufacture of the product or process. Misuse of this NOA as an endorsement of any product,
for sales, advertising or any other purposes shall automatically terminate this NOA. Failure to comply with any section
of this NOA shall be cause for termination and removal of NOA.
ADVERTISEMENT: The NOA number preceded by the words Miami-Dade County, Florida, and followed
by the expiration date may be displayed in advertising literature. If any portion of the NOA is displayed, then
it shall be done in its entirety.
INSPECTION: A copy of this entire NOA shall be provided to the user by the manufacturer or its distributors and
shall be available for inspection at the job site at the request of the Building Official.
This renews NOA#08-0108.04 and consists of pages 1 through 3.
The submitted documentation was reviewed by Alex Tigera.
NOA No.: 12-1114.01
Expiration Date: 04/03/18
Approval Date: 04/04/13
Page 2 of 3
ROOFING COMPONENT APPROVAL
Category: Roofing
Sub-Category: Underlayment
Material: SBS
PRODUCTS DESCRIPTION:
Product
Dimensions
Test
Specification
Product
Description
WeatherLock G 36” x 33.3’ rolls
36” x 66.6’ rolls
ASTM D 1970 SBS self-adhering modified asphalt underlayment
sheet material with a surfacing of opaque
granules; for use as an underlayment in sloped
roof assemblies.
WeatherLock MAT 36” x 33.3’ rolls
36” x 66.6’ rolls
ASTM D 1970 SBS self-adhering modified asphalt underlayment
sheet material with a polymeric asphalt film
surfacing; for use as an underlayment in sloped
roof assemblies.
MANUFACTURING LOCATION:
1. Brentwood, NH
EVIDENCE SUBMITTED:
Test Agency Test Identifier
Test Name/Report Date
PRI Asphalt Technologies, Inc. NEI-006-02-01 ASTM D 1970 04/14/05
PRI Construction Materials
Technologies, LLC
NEI-008-02-01 ASTM D 1970 12/01/06
APPROVED ASSEMBLIES:
Deck Type 1: Wood, non-insulated, new construction
Deck Description: 19/32" or greater plywood or wood plank
System E(1): Anchor sheet mechanically fastened deck, membrane adhered.
Base Sheet: One or more plies of ASTM D 226 Type II or ASTM D 2626 with a minimum 4” side lap and a
6” end lap mechanically fastened to deck with approved nails and tin caps 6" o.c. at the laps and
two staggered rows 12" o.c. the field of the roll.
Membrane: One or more plies of WeatherLock G or WeatherLock MAT with a minimum 3” side lap and 6”
end lap. Place the first course of membrane parallel to the eave, rolling the membrane to obtain
maximum contact. Remove the release membrane as the membrane is applied. Vertical
strapping of the roof with WeatherLock G or WeatherLock MAT is acceptable.
Surfacing: Approved for Asphaltic shingles, wood shakes and shingles, quarry slate roof assemblies.
NOA No.: 12-1114.01
Expiration Date: 04/03/18
Approval Date: 04/04/13
Page 3 of 3
LIMITATIONS:
1. Fire classification is not part of this acceptance.
2. This acceptance is for prepared roofing applications. Minimum deck requirements shall be in compliance with
applicable building code. WeatherLock G and WeatherLock MAT underlayment shall be installed in strict
compliance with applicable Building Code.
3. WeatherLock G and WeatherLock MAT underlayment shall be applied to a smooth, clean and dry surface with
deck free of irregularities.
4. WeatherLock G and WeatherLock MAT underlayment shall not be applied over an existing roof membrane as a
recover, but may be applied over a roofing Base/Anchor sheet underlayment.
5. WeatherLock G and WeatherLock MAT underlayment shall not be left exposed as a temporary roof for longer than
30 days of application.
6. Refer to Prepared Roofing system Product Control Notice of Acceptance for listed approval of this product with
specific prepared roofing products.
7. WeatherLock G or WeatherLock MAT underlayment may be used with any approved roof covering Notice of
Acceptance listing WeatherLock G or WeatherLock MAT underlayment as a component part of an assembly in the
Notice of Acceptance. If WeatherLock G or WeatherLock MAT underlayment is not listed, a request may be made
to the Authority Having Jurisdiction (AHJ) or the Miami-Dade County Product Control Department for approval
provided that appropriate documentation is provided to detail compatibility of the products, wind uplift resistance,
and fire testing results.
8. All nails in the deck shall be carefully checked for protruding heads. Re-fasten any loose decking panels. Sweep
the deck thoroughly to remove any dust and debris prior to application.
9. When applying the membrane in the valley, start at the low point and work to the high point, rolling the membrane
from the center outward in both directions. For ridge applications, center the membrane and roll from the center
outward in both directions.
10. Roll or broom the entire membrane surface so as to have 100% contact with the surface, giving special attention to
overlap areas.
11. Flash vent pipes, stacks, chimneys and penetrations in compliance with Roof Assembly current Product Control
Notice of Acceptance and applicable Building Code.
12. All protrusions or drains shall be initially taped with a 6" piece of underlayment. The flashing tape shall be
pressed in place and formed around the protrusion to ensure a tight fit. A second layer of WeatherLock G or
WeatherLock MAT underlayment shall be applied over the underlayment.
13. All products listed herein shall have a quality assurance audit in accordance with the Florida Building Code and
Rule 9N-3 of the Florida Administrative Code.
14. All membranes or packaging shall bear the imprint or identifiable marking of the manufacturer's name or logo and
the following statement: "Miami-Dade County Product Control Approved" or the Miami-Dade County Product
Control Seal as shown below.
END OF THIS ACCEPTANCE