| DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT | USE OF MATERIALS BULLETIN NO 72d |
| ASSISTANT SECRETARY FOR HOUSING | Date Issued: |
| FEDERAL HOUSING COMMISSIONER | August 15, 1993 |
| TO: DIRECTORS, HOUSING DEVELOPMENT DIVISION | |
| SUBJECT: HUD BUILDING PRODUCT STANDARDS AND CERTIFICATION | |
| PROGRAM FOR CARPET CUSHION | |
Members of the HUD staff processing cases and inspecting construction shall use this information in determining acceptability of the subject products for the use indicated.
This bulletin should be filed with bulletins on Special Methods of Construction and Materials as required by prescribed procedures. Additional copies may be requisitioned by the Field Offices.
| The technical description, requirements and
limitations expressed herein do not constitute an endorsement ,approval or acceptance by
the Department of Housing and Urban Development (HUD/FHA) of the subject matter, and any
statement or representation however made indicating approval or endorsement by the
Department of Housing and Urban Development is unauthorized and false and will be
considered a violation of the United States Criminal Code 18 U.S.C. 709. Any reproduction of this Bulletin must be in its entirety and any use in sales promotion or advertising is not authorized. |
Subject to good workmanship, compliance with applicable codes, and the methods of application listed herein, the products described in this bulletin may be considered suitable for HUD housing programs, including Housing for the Elderly and Care-Type Housing.
The eligibility of a property under these programs is determined on the property as an entity and involves the consideration of underwriting and other factors not indicated herein. Thus, compliance with this bulletin should not be construed as qualifying the property as a whole or any part thereof, as to its eligibility.
The method of application for the products listed herein are considered a part of the HUD Minimum Property Standards and shall remain effective until this bulletin is cancelled or superseded.
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HUD BUILDING PRODUCT STANDARDS AND CERTIFICATION PROGRAM
FOR CARPET CUSHION
GENERAL - ADMINISTRATIVE AND PROCEDURES:
This certification program shall be administered by organizations that qualify under the Administrator Qualifications and Procedures of the HUD Building Product Standards and Certification Program, described in 24 CAR 200.935, except as modified by the provisions of this Use of Materials Bulletin No. 72a. Copies of these Administrator Qualifications and Procedures for the HUD Building Products Standards and Certification Program may be obtained from:
Department of Lousing & Urban Development
Office of Manufactured Housing & Regulatory Functions
451 Seventh Street, SW, Attention Mail Room B-133
Washington, DC 20410
The procedures for carrying out the certification program for carpet cushion shall be in accordance with 24 CAR Section 200.935 and with Sections 200.948 which supplements 200.935 by providing that:
1. The certification label containing the Administrator's mark shall be permanently affixed every 10 It. on the product.
2. The following additional information shall be on the certification label:
- The manufacturer's name.
- The manufacturer's statement of conformance to UM 72a and type and class.
3. At least every six months, the Administrator shall visit the manufacturer’s facility to select a sample of each certified carpet cushion for testing by a laboratory accredited by the National Voluntary Laboratory Accredited Program (NVLAP) of the U.S. Department of Commerce.
The Administrator also shall review the quality assurance procedures every six months to assure that they are being followed by the manufacturer.
STANDARDS:
All carpet cushions shall be tested, in conformance with the requirements in Table 1. The maximum thickness of each class commercially available shall be tested.
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TABLE 1 REQUIREMENTS FOR CARPET CUSHION
|
Characteristics | Class 1 | Class 2 | Test Method |
|
not rec. for Class 2 |
ASTM D3574-91 | ||
| density lbs./cu ft. –5% (polymer) | 2.2 | |||
| thickness in. –5% | 0.375 | |||
| Com. Set max. % at 50% def. | 15.0 | |||
| tensile strength psi. min. | 10.0 | |||
| elongation % min. | 100.0 | |||
| CFD psi. at 65% def. min. | 0.7 | |||
|
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| density lbs./cu ft. –5% (polymer) | 2.7 | 2.7 | ASTM D3574-91 | |
| thickness in. –5% | 0.375 | 0.375 | ||
| Com. Set max. % at 50% def. | 15.0 | 15.0 | ||
| tensile strength psi. min. | 10.0 | 10.0 | ||
| elongation % min. | 100.0 | 100.0 | ||
| CFD psi. at 65% def. min. | 1.4 | 1.4 | ||
| IFD lbs./50. sq. in at 4 in. max. | 120.0 | 120.0 | Increase to density | |
|
ASTM D3574-91 | |||
| elongation % min. | 100.0 | 100.0 | ||
| density lbs./cu ft. –5% (polymer) | 2.2 | 2.2 | ||
| thickness in. –5% | 0.313 | 0.313 | ||
| com. set max. % at 50 % def. | 15.0 | 15.0 | ||
| tensile strength psi. min. | 10.0 | 10.0 | ||
| CFD psi. at 65% def. min. | 0.7 | 1.30 | ||
|
* |
ASTM D3574-91 | ||
| density lbs./cu ft. –5% (polymer) | 5.0 | 6.5 | ||
| thickness in. –5% | 0.375 | 0.375 | ||
| com. set max. % at 50 % def. | 15.0 | 15.0 | ||
| tensile strength psi. min. | 5.0 | 6.0 | ||
| elongation % min. | 45.0 | 45.0 | ||
| particle size in max. | 0.5 | 0.5 | ||
| debis max. % | 1.0 | 1.0 | ||
| CFD psi. at 65% def. min. | 4.0 | 4.5 | ||
|
||||
| elongation % min. | 45.0 | 45.0 | ASTM D 3676-89 | |
| density lbs./cu ft. –5% (polymer) | 10.0 | 12.0 | ||
| thickness in. –5% | 0.250 | 0.250 | ||
| com. set max. % at 50 % def. | 15.0 | 15.0 | ||
| ash content, max | 50.0 | 50.0 | ASTM D 297.- 90 | |
| comp. res. psi. at 25% def. min. | 2.5 | 4.0 | ||
|
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| weight, oz./sq. yd. – 5% | 40.0 | 50.0 | ASTM D 3676-89 | |
| density lbs./cu ft. –5% (polymer) | 0.27 | 0.375 | ||
| thickness in. –5% | 12.3 | 11.1 | ||
| com. set max. % at 50 % def. | 15.0 | 15.0 | ASTM D 1667-86 | |
| tensile strength psi. min. | 30.0 | 30.0 | ASTM D 2646-87 | |
| min. fiber by weight % | 85.0 | 85.0 | ASTM D 629-88 | |
|
||||
| weight, oz./sq. yd. – 5% | 22.0 | 28.0 | ASTM D 3676-89 | |
| density lbs./cu ft. –5% (polymer) | 0.25 | 0.25 | ||
| thickness in. –5% | 6.5 | 6.5 | ||
| com. set max. % at 50 % def. | 20.0 | 20.0 | ASTM D 1667-90 | |
| tensile strength psi. min. | 30.0 | 30.0 | ASTM D 2646-87 | |
| cellulosic % max. | 5.0 | 5.0 | ASTM D 629-88 | |
| min. fiber by weight % | 85.0 | 85.0 | ||
|
||||
| weight, oz./sq. yd. – 5% | 24.0 | 30.0 | ASTM D 3676-89 | |
| thickness in. –5% | 0.25 | 0.30 | ||
| density lbs./cu ft. –5% (polymer) | 7.3 | 7.3 | ||
| com. set max. % at 50 % def. | 20.0 | 20.0 | ASTM D 1667-90 | |
| tensile strength psi. min. | 30.0 | 30.0 | ASTM D 2646-87 | |
| min. fiber by weight % | 85.0 | 85.0 | ASTM D 629-88 | |
| max. cotton fiber % | 10.0 | 10.0 | ||
| resin solids no fillers % | 100.0 | 100.0 | ||
|
||||
| weight, oz./sq. yd. – 5% | 56.0 | 64.0 | ASTM D 3676-89 | |
| density lbs./cu ft. –5% (polymer) | 18.0 | 21.0 | ASTM D 3676-89 | |
| thickness in. –5% | 0.22 | 0.22 | ASTM D 3676-89 | |
| com. set max. % at 50 % def. | 15.0 | 15.0 | ASTM D 2646-87 | |
| tensile strength psi. min. | 8.0 | 8.0 | ASTM D 3676-89 | |
| CFD psi. at 25% def. min. | 0.25 | 1.0 | ||
|
||||
| weight, oz./sq. yd. – 5% | 48.0 | 64.0 | ||
| density lbs./cu ft. –5% (polymer) | 14.0 | 16.0 | ASTM D 3676-89 | |
| thickness in. –5% | 0.285 | 0.33 | ASTM D 3676-89 | |
| com. set max. % at 50 % def. | 20.0 | 20.0 | ASTM D 3676-89 | |
| tensile strength psi. min. | 8.0 | 8.0 | ASTM D 2646-87 | |
| CFD psi. at 25% def. min. | 0.5 | 0.8 | ASTM D 3676-89 |
Note: The maximum thickness for cushion is 0.5 inches. Class 1 is used for light and moderate traffic such as living, dining, bed and recreational rooms. Class 2 may be used for multifamily facilities, lobbies, corridors and all stair applications.
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INSTALLATION:
The installation of carpet cushion shall be in accordance with tile manufacturers installation instructions.
ADMINISTRATORS:
Qualified organizations interested in becoming Administrators under the HUD Building Product Standards and Certification Program for Carpet Cushion shall submit their request to HUD Headquarters, Office of Manufactured Housing & Regulatory Functions, 451 7th Street, SW, Attention Mail Room B-133, Washington DC 20410.
HUD Field offices will maintain a file of all directories furnished by the Administrators and accept only products listed in the directories. The following Administrators have been accepted by HUD as qualified to validate carpet cushion under Use of Materials Bulletin No. 72a.
 |
MEA Certification, Inc. 600 Houze Way, Suite 1 Rosswell, GA 20076 |
P. O. Box 15705 Dallas, TX 75215
|
|
| ETL, Inc. Route 11, Industrial Park Cortland, NY 13045 |
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