HomeMy WebLinkAboutAPPROVED, Off Ridge Vent Tilea CREEK
SEM14001.5a FL16994-R5 Page 1 of 3 Page 1 of 3
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 Dr
Tampa, FL 33647
(813) 480-3421
EVALUATION REPORT FLORIDA BUILDING CODE, 6TH EDITION (2017)
Manufacturer: Southeastern Metals Manufacturing Co., Inc. (SEMCO) Issued October 10, 2017
11801 Industry Drive
Jacksonville, FL 32218
(800) 874-0335
http://www.semetals.com
Manufacturing Plant: Jacksonville, FL
Quality Assurance: UL LLC (QUA1743)
SCOPE
Category: Roofing
Subcategory: Roofing Accessories that are an Integral Part of the Roofing System
Code Sections: 1503.5, 1709.2
Properties: Roof Ventilation
REFERENCES
Entity Report No. Standard Year
PRI Construction Materials Technologies (TST5878) SEM-029-02-01 ASTM E 330 2014
PRI Construction Materials Technologies (TST5878) SEM-031-02-01 ASTM E 330 2014
Zachary R. Priest, P.E. (CREEK Technical Services) SEM14003 Calculations 2014
PRODUCT DESCRIPTION
Off Ridge Vent: Minimum 26 ga. ASTM A792 or ASTM A653 CS Type B steel; Shall conform with FBC
Section 1503.2
Maximum dimensions of the vent are 24-inch wide x 102-inch long x 4.25-inch high.
Vent is available in nominal 4-ft, 6-ft and 8-ft sizes.
a CREEK
Technical Services, LLC
SEM14001.5a FL16994-R5 Page 2 of 3 Page 2 of 3
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.
Southeastern Metals Manufacturing Co., Inc.
Off Ridge Vent
PRODUCT APPLICATION
Deck Type: Minimum 7/16-inch APA span rated OSB sheathing or 15/32-inch APA span rated
plywood sheathing for new and existing roof deck (Deck shall be designed by others in
accordance with FBC requirements).
Roof slope: Minimum 2:12
Installation Height: Maximum 33-ft
Roof Cut-Out: 2.5-inch wide x 42-inch opening for the nominal 4-ft vent
2.5-inch wide x 66-inch opening for the nominal 6-ft vent
2.5-inch wide x 90-inch opening for the nominal 8-ft vent
Attachment Method: Cut-out opening as prescribed above into the sheathing located a minimum 6-inch off
the ridge. For a single vent, install the vent as close to the center of the roof length as
possible. Multiple vents should be evenly spaced along the roof length.
Remove interfering shingle nails around the perimeter of the opening and any debris
prior to placing vent. Apply ASTM D 4586 or ASTM D 3409, Type I roofing
cement/mastic to the underside of the perimeter flange to continuously surround and
seal the flange. Position the vent over the opening in the roof sheathing. Slide the top
and side flanges of the vent underneath the shingles and allow the bottom flange to lie
on top of the shingles. Attach the vent with #9 x min. 1.5-inch HWH screws with 0.5-
inch sealing washers or min. 12 ga. x 1-1/4-inch ring shank nails with min. 3/8-inch
diameter heads having sufficient length to penetrate through the sheathing a minimum
of 3/8-inch. The fasteners shall be located 1-inch from the edge of the flange and 5.5-
inches o.c. along all four sides of the vent. All loosened shingles shall be adhered
down with roof cement/mastic. When nails are used to attach the vent, all penetrations
through the vent flange shall be sealed using ASTM D 4586 or ASTM D 3409, Type I
roofing cement/mastic.
Allowable Roof Coverings: Asphalt shingles
Maximum Design
Pressure
-13.5 psf for 4-ft and 6-ft vents
-18 psf for 8-ft vent
Pressures calculated using 2:1 margin of safety per 1504.9
a CREEK
Technical Services, LLC
SEM14001.5a FL16994-R5 Page 3 of 3 Page 3 of 3
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.
Southeastern Metals Manufacturing Co., Inc.
Off Ridge Vent
LIMITATIONS
1)Fire Classification is outside the scope of this evaluation.
2)This report is not for use in the HVHZ.
3)The roof deck and deck attachment shall be designed by others in accordance with the FBC.
4)SEMCO vents shall be installed in strict compliance with this evaluation report and the manufacturer’s
published installation instructions. In the event of conflict, the more restrictive installation shall be enforced.
5)Deck substrates shall be clean, dry, and free from any irregularities and debris. All fasteners in the deck
shall be checked for protrusion prior to installation.
6)Installation of the roof assembly is outside the scope of this evaluation.
7)SEMCO vents are intended to provide passive ventilation for an enclosed attic in residential construction
applications
8)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, 6th Edition (2017) 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
2017.10.10
10:29:43
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