Date of Authorization July 25, 2013 BMEC Authorization Number BMEC Application A BMEC Expiration Date July 25, 2018

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1 777 Bay Street, 2 nd Floor Toronto, Ontario, M5G 2E5 777, rue Bay, 2 e etage Toronto, Ontario, M5G 2E5 T: F: W: T: TC: W: Date of Authorization July 25, 2013 BMEC Authorization Number BMEC Application A BMEC Expiration Date July 25, 2018 AUTHORIZATION REPORT 1. Applicant 2. Manufacturing Facility Benjamin Obdyke Incorporated 400 Babylon Road Suite A Horsham, PA 19044, USA Bonar PO Box Sand Hill Road Enka, NC 28728, USA Tel: Fax: Web: Description The may be used as a roof ventilation underlayment that may prolong the life of wood shingles and shakes on roofs by providing a continuous air circulation and drainage space that prevents the damaging effects of trapped moisture between the solid roof deck and shingles. The is a black nylon three dimensional matrix in a rolled form. The roll is provided in 1 m (39.4 in.) wide, 7.04 mm (0.277 in.) thick, and m (61.5 ft.) long roll. 4. Authorization Requested The applicant sought authorization for the use of the as an optional additional layer of a roof assembly within the scope of Part 9 Housing and Small Building of Division B of the Building Code. Page 1 of 9

2 5. Assessment There are no requirements in the Building Code for ventilation between roofing and roof sheathing. Reports and assessment provided by the applicant demonstrate that if the is manufactured, designed, installed, and maintained in accordance with the manufacturer's instructions and limitations, and the specific terms and conditions stated in this authorization, the use of is not a contravention of the Building Code. The following is a list of the documents that were submitted and reviewed, but were not limited to: 1. Powerpoint Presentation, Benjamin Obdyke Presentation, dated March 28, Manual, Cedar Shake and Shingle Bureau-New Roof Construction Manual, dated June 2011, 28 pages; 3. Technical Bulletin, Benjamin Obdyke Residential Roof and Wall Products- Build Better, Testing Confirms That Rainscreen Installation does Not Increase The Chance Of Fastener Shear, 2 pages; 4. Technical Bulletin, New York State Department of State-Division of Code Enforcement and Administration, Subject: Alternative Materials, Design and Methods of Construction and Equipment, dated January 1,2003, 2 pages; 5. Manufacturer s Literature, Brochure,, Benjamin Obdyke Roof and Wall Products-Build Better, Wood Roofing Underlayment, Brochure, 2010, LTCB printed 2/11 6. Manufacturer s Literature,, Division 7 Thermal & Moisture Protection Section : Roof Accessories Roof Ventilation Underlayment, 5 pages; 7. Drawings,, Valley Flashing Detail, 1 page; 8. Drawings,, Rake/Drip Edge Detail for Shakes/Shingles, 1 page; 9. Drawings,, Installed with Rapid Ridge 7, 1 page; 10. Manufacturer s Literature,, Technical Summary, 1 page; 11. Manufacturer s Literature, Brochure,, Residential Roof and Wall Products-Build Better Brochure, LTTB 02/11; 12. Test Report, Architectural Testing- Performance Evaluation Test Report, Series/Models: Home Slicker, Home Slicker 10, Product: Rainscreen (0.25 inch and inch depth), Dated September 10, 2009, 27 pages; Page 2 of 9

3 13. Test Report, Bodycote Materials Testing Canada Inc., Airflow Evaluation of Underlayment for Wood Roofing, Report No M0330 Rev.2, dated February 24, 2003, 10 pages; 14. Test Report, Bodycote Materials Testing Canada Inc., Compressive Properties of Product In Accordance with ASTM C165-00, Report No M0013 (Revision 1), dated February 11, 2003, 2 pages; 15. Test Report, Bodycote Materials Testing Canada Inc., ASTM E 84 Surface Burning Characteristics Roof Underlayment, Report No (A), dated May 8, 2002, 3 pages; 16. Letter Report, Morrison Hershfield, Re: Code Compliance Review of Benjamin Obdyke Incorporated Product:, dated February 27, 2013; 17. Test Report, SGS U.S. Testing Company Inc., Test Report No , Home Slicker / WeatherBoards Fiber Cement Wind Load Testing, dated December 5, 2013; 18. Test Report, Southwest Research Institute to Benjamin, ASTM E Evaluation of External Fire Resistance of Roofing Assemblies using Benjamin Obdyke s Nylon Product With Chemco s Class A Cedar Shingles, SwRI Project Report No a, dated April 10, 2006; 34 pages; 19. Test Report, PRI Asphalt Technologies, Evaluation of Long Term Exposure of Cedar Shake Test Decks Fabricated With and Without, dated February 5, 2003, 4 pages; 20. Manufacturer s literature,, Roof Fastener Guidelines,1 page; 21. Letter from to the BMEC, Subject: Response to Item #3, dated April 19, 2013; 22. Letter from to the BMEC, Subject: Response to Item #4, dated April 19, 2013; 23. Letter from to the BMEC, Subject: Response to Item #5, dated April 19, 2013; 24. Letter from to the BMEC, Subject: Response to Item #6, dated April 19, 2013; 25. Letter Report, Morrison Hershfield, Re: BMEC Application for Cedar Breather-Follow-up Documentation, dated April 20, 2013 and; Page 3 of 9

4 6. Authorization The is authorized as part of an optional additional layer in a roof assembly within the scope of Part 9 Housing and Small Building of Division B of the Building Code; all other requirements pertaining to the construction and installation are subject to the requirements of the Building Code, and subject to the following terms and conditions contained in 6.A and 6.B below: A. Specific Terms and Conditions 1. This Authorization is valid only for Benjamin Obdyke Incorporated s Cedar Breather ; 2. This Authorization expires on July 25, 2018; 3. The shall only be used in the construction of Part 9 buildings; 4. The shall only be used with wood shingles and cedar shakes; 5. The shall not be used with furring or strapping; 6. The shall be installed on solid plywood sheathing that meets the minimum thickness set out in Article Thickness or Rating, of Division B of the Building Code; 7. The shall be installed per the three pages of detail drawings forming a part of this authorization; Rake/Drip Edge Detail for Shakes and Shingles Valley Flashing Detail Installed with Rapid Ridge 7 8. In addition, roof assemblies using shall be installed with a screen consistent with fly screen on the roof line where the edges are exposed and at the eave to prevent entry of insects, birds and vermin; 9. The layers shall be installed using butt joints; 10. The exposed shall not be walked on after it has been installed; 11. When using the with wood shingles and cedar shakes, the shall be tacked or nailed, dimpled side down, every 0.28 m 2 (3 ft 2 ). 12. Wood shingles and cedar shakes installed over the, shall be fastened using nails that will penetrate a minimum of 19 mm (¾ in.) into, or completely through the plywood sheathing, Page 4 of 9

5 13. When using the with wood shingles and cedar shakes, the roofing felt shall extend mm (¼ in.) beyond the roof deck; Wood Shingles 14. When using the with wood shingles the roof deck shall be fully covered with roofing felt. B. General Conditions 1. The use of the as described in Section 3. and the Specific Terms and Conditions set out in Section 6.A must comply with: (a) (b) (c) the Building Code Act, 1992, (the Act ) as amended or re-enacted, except as specifically authorized herein, the Building Code as amended or remade, and all other applicable legislation. 2. A copy of this Authorization shall accompany each application for a building permit and shall be maintained on the site of the construction with the building permit. 3. The Applicant specified in Section 1. shall promptly notify the BMEC of: (a) (b) the failure of the Applicant to comply with any of the Specific Terms and Conditions set out in Section 6.A, the failure of the material, system or building design that is the subject matter of this Authorization to (i) (ii) comply with any of the Specific Terms and Conditions set out in Section 6.A, or provide a satisfactory level of performance in situ, or (c) the occurrence of any of the events described in General Conditions 6.B.4.(a), (b), (e) or (f). 4. The BMEC may amend or revoke this Authorization at any time on its own initiative, or at the request of the Applicant specified in Section 1. without restricting the foregoing, the BMEC may amend or revoke this Authorization where it determines that: (a) any change has been made to: (i) the name of the Applicant specified in Section 1, (ii) the address or other contact name information of the Applicant specified in Section 1, (iii) the ownership of the Applicant specified in Section 2, Page 5 of 9

6 (iv) the manufacturing facilities specified in Section 2, (v) (vi) the material, system, or building design that is the subject matter of this Authorization, or a test method relevant to this Authorization, (b) (c) (d) (e) (f) (g) the Applicant has failed to comply with any of the terms and conditions set out in this Authorization, in the opinion of the BMEC, the use of the material, system or building design authorized herein provides an unsatisfactory level of performance in situ, in the opinion of the BMEC, amendment or revocation of the Authorization is appropriate on the basis of potential danger to public health and safety, the Act or Building Code has been amended, re-enacted or remade in a manner relevant to this Authorization, this Authorization was issued on mistaken, false or incorrect information, or a revision of an editorial nature is appropriate. 5. Effective Date (a) This Authorization is effective as of July 25, Dated at Toronto this 25th day of July 2013 BUILDING MATERIALS EVALUATION COMMISSION Edward Link, P. Eng. Chair, Building Materials Evaluation Commission Page 6 of 9

7 Appendix A Page 7 of 9

8 Appendix B Page 8 of 9

9 Appendix C Page 9 of 9