click for index page
 
 









 

Report No. NER-215

5.0 IDENTIFICATION

Bundles of treated wood shakes and shingles shall contain a label noting the shingle or shake grading agency and compliance with UBC Standard 15-3 or 15-4. An additional label noting the pressure treater’s name (Chemco, Inc.) and address, the quality control agency’s name (Fire Tech Services, Inc.), product name, the Class B or Class C rating and this NES report number, also shall be affixed to each bundle.

The asphalt saturated organic felt underlayment and interlayment and the seventytwo pound mineral surface fiberglass cap sheet shall be identified with the label containing the name of the product, the company, and the quality control agency.

6.0 EVIDENCE SUBMITTED

6.1 Report of tests by United States Testing Company, Inc., California Division, for the Class B and Class C roof covering, dated June 3, 1982, and August 19,

6.2 Acceptance standard and quality control tests and procedures established for Chemco, Inc., Ferndale, Washington plant, dated May 6, 1982.

6.3 Inspector’s manual for follow up inspections of FTX pressure treated western red cedar shakes and shingles prepared for Chemco, Inc., by Fire Tech Services, Inc.

6.4 Installation instructions for applying the FTX Class B and Class C cedar shakes and shingles roof covering.

6.5 Service agreement for product evaluation, follow up inspection and labeling between Fire Tech Services, Inc. and Chemco, Inc.

6.6 Inspection report of sample identification and treatment process, dated July 23, 1982, from Fire Tech Services, Inc.

6.7 Samples of the labels used for identification of the Chemco pressure treated shakes and shingles for the Class B and Class C roof coverings.

6.8 Drawings showing typical shake and shingle test deck construction by Fire Tech Services, Inc.

6.9 Supplemental information to Chemco data submitted from Fire Tech Services, Inc., dated October 19, 1982.

6.10 Report of Tests by Fire Tech Services, Inc., conducted in accordance with U.B.C. Standard No. 32-7, Section 32.701 (c), dated March 25, 1986.

6.11 Report of fire tests conducted on ten year weather exposed decks, Report No. FTT 21060-3, dated October 6, 1992, prepared by Fire Tech Services, Inc.

6.12 Chemco, Inc.’s Ferndale, Washington plant quality control manual for fire retardant pressure treated cedar shakes and shingles, Revised April, 1996.

6.13 Test report on Chemco FTX Class B Fire Retardant Treated Cedar Shakes and Shingles Applied Over Spaced Sheathing in accordance with ASTM E 108, prepared by Western Fire Center, Inc., Report No. FT 7519-1, dated June 16, 1997, signed by Noel Pataansuu, Thomas Woodford, and James H. Heywood.

6.14 Test report on Chemco FTX Class A Roofing System in accordance with ASTM E 108, prepared by Western Fire Center, Inc., Report No. FT 7902-1, dated September 15, 1997, signed by Noel Pataansuu, Thomas Woodford, and James H. Heywood.

6.15 Test report on Chemco FTX Class A Roofing System Over Spaced Sheathing in accordance with ASTM E 108, prepared by Western Fire Center, Inc., Report No. FT 7902-2, dated September 15, 1997, signed by Noel Pataansuu, Thomas Woodford, and James H. Heywood.

6.16 Test report on Chemco FTX Class A Roofing System With Mineral Surfaced Cap Sheet Over Spaced Sheathing in accordance with UBC Standard 15-2 (ASTM E 108), prepared by Fire Tech Services, Inc., Report No. FT90525-1, dated May 25, 1999, signed by Noel Pataansuu and James H. Heywood.

7.0 CONDITIONS OF USE

The National Evaluation Service Committee finds that FTX, CEDARPLUS, DURASHAKE, FST and CHEMCO pressure treated wood shake and shingle roof covering systems described in this report comply with or are alternatives to the 2000 International Building Code, BOCA® National Building Code/1999, 1999 Standard Building Code, 1997 Uniform Building Code, and the 2000 International Residentia Code subject to the following conditions:

7.1 The treated wood shakes and shingles shall be installed in accordance with this report.

7.2 The wood shakes and shingles shall be pressure treated under a quality control program with inspections by Fire Tech Services, Inc.

7.3 In areas using the BOCA® National Building Code/1999, an underlayment is required under wood shingles at eaves, ridges, hips, valleys, and all other changes of roof slope and between each course of wood shakes on all roof slopes. In areas where the average daily temperature in January is 25 degrees F., two layers of underlayment cemented together (or a waterproofing membrane) is required to extend from the eave to a point at least 24 inches inside the exterior wall line of the building.

7.4 This report is subject to periodic re-examination. For information on the current status of this report, consult the NES Product Evaluation Listing or contact the NES.

TABLE 1
MAXIMUM WEATHER EXPOSURE

LENGTH
3 INCHES TO LESS THAN 4 INCHES
IN 12 INCHES
4 INCHES IN 12 AND
STEEPER
WOOD SHINGLES
16 inch
18 inch
24 inch


5

WOOD SHAKES
18 inch
24 inch

10

10
SI: 1 inch = 25.4 millimeters




© 2002 Clarke Group    Site Designed by: