HomeMy WebLinkAboutOwensUnderlayment (1) CREEK
Technical Services, LLC
OCR14002.11a FL9777-R14 Page 1 of 4 Page 1 of 4
This evaluation report is provided for State of Florida product approval under Rule 61G20-3. The manufacturer shall notify CREEK
Technical Services, LLC of any product changes or quality assurance changes throughout the duration for which this report is valid.
This evaluation report does not express nor imply warranty, installation, recommended use, or other product attributes that a re not
specifically addressed herein.
Certificate of Authorization No. 29824
17520 Edinburgh Drive
Tampa, FL 33647
(813) 480-3421
EVALUATION REPORT FLORIDA BUILDING CODE, 7TH EDITION (2020)
Manufacturer: OWENS CORNING Issued December 17, 2020
1 Owens Corning Parkway
Toledo, OH 43657
(800) 438-7465
www.owenscorning.com
Manufacturing Location: Brentwood, NH
Houston, TX
Quality Assurance: PRI Construction Materials Technologies, LLC (QUA9110))
SCOPE
Category: Roofing
Subcategory: Underlayments
Code Sections: 1504.3.1, 1507.1.1
Properties: Physical properties
REFERENCES
Entity Report No. Standard Year
PRI Construction Materials Technologies (TST5878) NEI-039-02-01 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) NEI-042-02-01REV2 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) NEI-045-02-01 ASTM G 155 2013
PRI Construction Materials Technologies (TST5878) NEI-053-02-01 ASTM G 155 2013
PRI Construction Materials Technologies (TST5878) NEI-093-02-02 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-213-02-01 ASTM D 1623 2009
PRI Construction Materials Technologies (TST5878) OCF-237-02-01 UL 1897 2012
PRI Construction Materials Technologies (TST5878) OCF-252-02-01 ASTM D 4798 2011
PRI Construction Materials Technologies (TST5878) OCF-252-02-01 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-253-02-02 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-293-02-01 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-296-02-02 ICC-ES AC 1881
ICC-ES AC 48
2012
2012
PRI Construction Materials Technologies (TST5878) OCF-297-02-01.1 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-318-02-01 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-320-02-01 ASTM G 155 2005a2013
PRI Construction Materials Technologies (TST5878) OCF-321-02-01 ASTM D 1623 2009
PRI Construction Materials Technologies (TST5878) OCF-322-02-01 UL 1897 2012
PRI Construction Materials Technologies (TST5878) OCF-355-02-01 UL 1897 2012
PRI Construction Materials Technologies (TST5878) OCF-356-02-01.1 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-356-02-02.1 TAS 103 2020
PRI Construction Materials Technologies (TST5878) OCF-356-02-04.1 ASTM D 1623 2009
PRI Construction Materials Technologies (TST5878) OCF-424-02-01 ASTM D 1970 2015a
PRI Construction Materials Technologies (TST5878) OCF-424-02-03 TAS 103 2020
PRI Construction Materials Technologies (TST5878) OCF-424-02-04 ASTM D 1623 2009
PRI Construction Materials Technologies (TST5878) 1378T0043 TAS 103 2020
PRI Construction Materials Technologies (TST5878) 1378T0120 TAS 103 2020
PRI Construction Materials Technologies (TST5878) 1378T0121 ASTM D 1623
TAS 103
2019
2020
PRI Construction Materials Technologies (TST5878) 1378T0130 ASTM D 1623
TAS 103
2019
2020
1Determined to be equivalent to ASTM D 226-09, Type I and II
A CREEK
Technical Services, LLC
OCR14002.11a FL9777-R14 Page 2 of 4 Page 2 of 4
This evaluation report is provided for State of Florida product approval under Rule 61G20 -3. The manufacturer shall notify CREEK
Technical Services, LLC of any product changes or quality assurance changes throughout the duration for which this report is valid.
This evaluation report does not express nor imply warranty, installation, recommended use, or other product attributes that a re not
specifically addressed herein.
OWENS CORNING ROOFING AND ASPHALT LLC
WeatherLock® Underlayments (Non-HVHZ)
PRODUCT DESCRIPTION AND LIMITS OF USE
WeatherLock® G
(Brentwood, NH or
Houston, TX)
WeatherLock® G is an ASTM D 1970 self-adhered underlayment constructed from SBS
modified asphalt, a fiberglass mat reinforcement and surfaced with granules. The
product is supplied in 2-sq. rolls with nominal dimensions of 3-ft x 66.7-ft.
WeatherLock® G is permitted to be used as prescribed in FBC Section 1507.1.1 and
Table 1507.1.1.1 for mechanically attached roofing coverings. Exposure on the roof
deck shall be limited to a maximum 30 days.
WeatherLock® Mat
(Brentwood, NH or
Houston, TX)
WeatherLock® Mat is an ASTM D 1970 self-adhered underlayment constructed from
SBS modified asphalt with a fiberglass mat reinforcement. The product is supplied in
1-sq. rolls with nominal dimensions of 3-ft x 33.3-ft and 2 sq. rolls with nominal
dimensions of 3-ft x 66.7-ft.
WeatherLock® Mat is permitted to be used as prescribed in FBC Section 1507.1.1 and
Table 1507.1.1.1 for mechanically attached roof coverings. Exposure on the roof deck
shall be limited to a maximum 30 days.
WeatherLock® Metal
(Brentwood, NH)
WeatherLock® Metal is an ASTM D 1970 self-adhered underlayment constructed from
SBS modified asphalt with a fiberglass mat reinforcement and plastic film surface. The
product is supplied in 2.0 sq. rolls with nominal dimensions of 3-ft x 66.7-ft.
WeatherLock® Metal is permitted to be used as prescribed in FBC Section 1507.1.1 and
Table 1507.1.1.1 for mechanically attached roof coverings. Exposure on the roof deck
shall be limited to a maximum 90 days.
WeatherLock®
Specialty Tile & Metal
(Green Facer)
(Brentwood, NH)
WeatherLock® Specialty Tile & Metal (Green Facer) is an ASTM D 1970 nd FRSA/TRI
Florida High Wind Concrete and Clay Tile Installation Manual, Sixth Edition compliant
self-adhered underlayment constructed from SBS modified asphalt and surfaced with a
non-woven polyester fabric. The product is supplied in 2.14 sq. rolls with nominal
dimensions of 3-ft x 71.3-ft.
WeatherLock® Specialty Tile & Metal (Green Facer) is permitted to be used as
prescribed in FBC Section 1507.1.1 and Table 1507.1.1.1. WeatherLock® Specialty Tile
& Metal (Green Facer) is permitted to be used with adhered clay or concrete tile roofing
using Dupont TILE BONDTM Roof Tile Adhesive. Exposure on the roof deck shall be
limited to a maximum 90 days.
The maximum roof slope shall be 6:12 when used with clay or concrete tile installations
without battens. Tile shall be stored on battens for roof slopes greater than 6:12. Tiles
shall not be stacked greater 10 tiles per stack.
WeatherLock®
Specialty Tile & Metal
(Gray Facer)
(Brentwood, NH)
WeatherLock® Specialty Tile & Metal (Gray Facer) is an ASTM D 1970 and FRSA/TRI
Florida High Wind Concrete and Clay Tile Installation Manual, Sixth Edition compliant
self-adhered underlayment constructed from SBS modified asphalt and surfaced with a
non-woven polyester fabric. The product is supplied in 2.14 sq. rolls with nominal
dimensions of 3-ft x 71.3-ft.
WeatherLock® Specialty Tile & Metal (Gray Facer) is permitted to be used as prescribed
in FBC Section 1507.1.1 and Table 1507.1.1.1. WeatherLock® Specialty Tile & Metal
(Gray Facer) is permitted to be used with adhered clay or concrete tile roofing using
Dupont TILE BONDTM Roof Tile Adhesive or ICP Adhesive’s Polyset RTA-1. Exposure
on the roof deck shall be limited to a maximum 180 days.
The maximum roof slope shall be 6:12 when used with clay or concrete tile installations
without battens. Tile shall be stored on battens for roof slopes greater than 6:12. Tiles
shall not be stacked greater 10 tiles per stack.
A CREEK
Technical Services, LLC
OCR14002.11a FL9777-R14 Page 3 of 4 Page 3 of 4
This evaluation report is provided for State of Florida product approval under Rule 61G20 -3. The manufacturer shall notify CREEK
Technical Services, LLC of any product changes or quality assurance changes throughout the duration for which this report is valid.
This evaluation report does not express nor imply warranty, installation, recommended use, or other product attributes that a re not
specifically addressed herein.
OWENS CORNING ROOFING AND ASPHALT LLC
WeatherLock® Underlayments (Non-HVHZ)
WeatherLock® G
(High Tear)
(Houston, TX)
WeatherLock® G (High Tear) is an ASTM D 1970 self-adhered underlayment used as an
alternative to ASTM D 226, Type II roofing felt. The underlayment is composed of SBS
modified asphalt with a fiberglass mat internal reinforcement and is surfaced with
granules. The product is supplied with a nominal thickness of 50 mils in 1.95-sq rolls
with nominal dimensions of 3-ft x 65-ft.
WeatherLock® G (High Tear) is permitted to be used as prescribed in FBC Section
1507.1.1 and Table 1507.1.1.1 for mechanically attached roof coverings . Exposure on
the roof deck shall be limited to a maximum 30 days.
PRODUCT APPLICATION
Min. Roof Slope: 2:12 in accordance with the FBC
Application: All underlayments shall be installed in accordance with the FBC.
Deck substrates shall be clean, dry, and free from any irregularities and debris. All
fasteners in the deck shall be checked for protrusion and corrected prior to underlayment
application. Prior to beginning installation, the underlayment shall be unrolled and
allowed to relax for a minimum of 3-5 minutes.
The underlayment shall be installed with the release backer removed and pressed firmly
into place to ensure complete contact with the deck. The underlayment shall be installed
with the roll length parallel to the eave, starting at the eave, and with minimum 3” side
laps and minimum 6” end laps staggered min. 6-ft.from preceding course.
Additionally, if applying WeatherLock® Specialty Tile & Metal (Green Facer) and
WeatherLock® Specialty Tile & Metal (Gray Facer), end laps shall be primed with ASTM
D 41 primer or sealed with asphalt roof cement a minimum of 3 -4 inches across the
width of the lap.
It is permissible to back nail the underlayment 12-inches on-center as needed (nails shall
be installed perpendicular to deck with the nail heads flush to the top surface of the
underlayment).
Additionally, WeatherLock® Specialty Tile & Metal (Green Facer) and WeatherLock®
Specialty Tile & Metal (Gray Facer) shall be back nailed when installed on roof slopes
greater than 3:12.
Min. Application
Temperature:
40°F; Contact the manufacturer when installing at temperatures below the minimum
application temperature.
WIND RESISTANCE
The Maximum Design Pressures shown below were calculated using a 2:1 margin of safety per FBC Section 1504.9.
Underlayment System No.1 – WeatherLock Specialty Tile & Metal (Green Facer) Only
Roof Deck: Min. 15/32-inch CDX plywood attached to wood supports spaced a maximum 24” o.c.
Underlayment: WeatherLock® Specialty Tile & Metal (Green Facer) shall be applied in accordance
with manufacturer’s installation instructions to the fastened deck and backnailed along
the selvage with minimum 12ga., 1-1/4-inch galvanized ring shank roofing nails through
optionally primed, 32ga. x 1-5/8-inch Ø tin caps spaced 12” o.c. The applied
underlayment shall be rolled with a minimum 75lb steel roller immediately following
application.
Maximum Design
Pressure:
-142.5 psf
A CREEK
Technical Services, LLC
OCR14002.11a FL9777-R14 Page 4 of 4 Page 4 of 4
This evaluation report is provided for State of Florida product approval under Rule 61G20-3. The manufacturer shall notify CREEK
Technical Services, LLC of any product changes or quality assurance changes throughout the duration for which this report is valid.
This evaluation report does not express nor imply warranty, installation, recommended use, or other product attributes that are not
specifically addressed herein.
OWENS CORNING ROOFING AND ASPHALT LLC
WeatherLock® Underlayments (Non-HVHZ)
GENERAL LIMITATIONS
1)This evaluation report is not use in the HVHZ.
2)Fire Classification is not within the scope of this evaluation.
3)Installation of the evaluated product shall comply with this report, the FBC, and the manufacturer’s published
application instructions. Where discrepancies exist between these sources, the more restrictive and FBC
compliant installation detail shall prevail.
4)The roof deck shall be constructed of closely fitted plywood sheathing for new or existing construction.
5)The space under the deck area shall be properly ventilated in accordance with the FBC requirements.
6)All side lap seams shall be installed to shed water from the deck.
7)The underlayment may be used as described in other current FBC product approval documents.
8)Design wind load pressures shall be determined for components and cladding in accordance with FBC
1609.
9)The roof deck shall be designed by others in accordance with FBC requirements to resist the design wind
load pressures for components and cladding.
10)Maximum Design Pressures for a given underlayment shall meet or exceed the design wind loads
determined for the roof assembly.
11)All products listed in this report shall be manufactured under a quality assurance program in compliance with
Rule 61G20-3.
COMPLIANCE STATEMENT
The products evaluated herein by Zachary R. Priest, P.E. have demonstrated compliance with the Florida Building
Code 7th Edition (2020) as evidenced in the referenced documents submitted by the named manufacturer.
Zachary R. Priest, P.E.
Florida Registration No. 74021
Organization No. ANE9641
CERTIFICATION OF INDEPENDENCE
CREEK Technical Services, LLC does not have, nor will it acquire, a financial interest in any company manufacturing or distributing
products under this evaluation.
CREEK Technical Services, LLC is not owned, operated, or controlled by any company manufacturing or distributing products under
this evaluation.
Zachary R. Priest, P.E. does not have, nor will acquire, a financial interest in any company manufacturing or distributing products
under this evaluation.
Zachary R. Priest, P.E. does not have, nor will acquire, a financial interest in any other entity involved in the approval process of the
product.
END OF REPORT