Material Safety Data Sheet Page 1 Of X

GAF MATERIALS CORPORATION MSDS # 2052 MATERIAL SAFETY DATA SHEET MSDS DATE: 06/03

SECTION 1: PRODUCT AND COMPANY IDENTIFICATION - PRODUCT NAME: EverGuard® EPDM Seam Tape (3” or 7”, 510/92A) CHEMICAL NAME/SYNONYM: None CHEMICAL FAMILY: Mixture MANUFACTURER: GAF Materials Corporation ADDRESS: 1361 Alps Road, Wayne, NJ 07470 24 HOUR EMERGENCY 800-424-9300 PHONE: CHEMTREC PHONE: 800-424-9300 PREPARED BY: Bill Kuhn APPROVED BY: Dan Helman

NFPA HAZARD RATING: HMIS HAZARD RATING: Health 1 Health 0 Flammable 1 Flammable 1 Reactive 0 Reactive 0 Special Hazards Special Hazards

OSHA HAZARDOUS: Yes No

SECTION 2: COMPOSITION/INFORMATION ON INGREDIENTS

CHEMICAL NAME COMMON NAME CAS # % (BY WT) EXPOSURE LIMITS Nonhazardous as per 29 None None 100.00 None Established CFR 1910.1200

SECTION 3: HAZARDS IDENTIFICATION

PRIMARY ROUTE OF EXPOSURE: Eye Contact SIGNS & SYMPTONS OF EXPOSURE Contact with eye may result in irritation, redness, tearing and blurred vision. ACUTE HEALTH HAZARDS: None known CHRONIC HEALTH HAZARDS: No known adverse effects CARCINOGENICITY: None

SECTION 4: FIRST AID MEASURES

FIRST AID PROCEDURES: Treat as a foreign object in eye. Flush large amounts of water, frequently flushing under the lids. Get medical attention if irritation persists. NOTES TO PHYSICIANS OR FIRST AID N/a PROVIDERS:

SECTION 5: FIRE-FIGHTING PROCEDURES

SUITABLE EXTINGUISHING MEDIA: Foam, water, dry chemical, or Carbon Dioxide. HAZARDOUS COMBUSTION PRODUCTS: Carbon Dioxide and Carbon Monoxide, Oxides of Nitrogen, Sulfur Dioxide, partially burned Carbon RECOMMENDED FIRE FIGHTING PROCEDURES: Treat as Class “B” fire. Limit fire fighting to those trained to do so. Minimize breathing gases, vapor, fumes, or decomposition products. Use supplied air respirator for enclosed or confined spaces or as otherwise needed. UNUSUAL FIRE & EXPLOSION HAZARDS: None known.

SECTION 6: ACCIDENTAL RELEASE MEASURES

ACCIDENTAL RELEASE MEASURES: N/a

SECTION 7: HANDLING AND STORAGE

OF 3 GAF MATERIALS CORPORATION MSDS # 2052 MATERIAL SAFETY DATA SHEET MSDS DATE: 06/03

HANDLING AND STORAGE: N/a OTHER PRECAUTIONS: N/a STEPS TO BE TAKEN IN CASE MATERIAL Shovel or scoop into sealable container for disposal. IS REALEASED OR SPILLED: PRECAUTIONS TO BE TAKEN IN HANDLING Do not store or handle at temperatures in excess of 130°F. Store in a cool, dry area. & STORAGE: Avoid prolonged or repeated contact with the skin. Product readily removed from the skin with waterless hand cleaners followed by washing with soap and water.

SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION

ENGINEERING CONTROLS: N/a VENTILATION: No special ventilation requirements RESPIRATORY PROTECTION: None required. EYE PROTECTION: Safety glasses with side shields may be necessary when handling, cutting or applying this product. SKIN PROTECTION: None required. OTHER PROTECTIVE CLOTHING OR None required. EQUIPMENT: WORK HYGIENIC PRACTICES: Wash exposed skin prior to eating, drinking or smoking and at the end of each shift. Wash contaminated clothing prior to reuse. EXPOSURE GUIDELINES: N/a

SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE & ODOR: Tacky black solid with no odor. FLASH POINT: >200°C LOWER EXPLOSIVE LIMIT: None METHOD USED: Estimate based on the flash UPPER EXPLOSIVE LIMIT: None point of the most volatile component. EVAPORATION RATE: Not Applicable BOILING POINT: None pH (undiluted product): Not Applicable MELTING POINT: Unknown SOLUBILITY IN WATER: None SPECIFIC GRAVITY: 0.97 (Water=1) VAPOR DENSITY: Not Applicable PERCENT VOLATILE: 0.7% Maximum VAPOR PRESSURE: Not Applicable VOLATILE ORGANIC COMPOUNDS (VOC) WITH WATER (LBS/GAL): N/a WITHOUT WATER (LBS/GAL): N/a MOLECULAR WEIGHT: N/a SECTION 10: STABILITY AND REACTIVITY

THERMAL STABILITY: STABLE UNSTABLE CONDITIONS TO AVOID (STABILITY): Exposure to temperature in excess of 130°F. INCOMPATIBILITY (MATERIAL TO N/a AVOID): HAZARDOUS DECOMPOSITION OR BY- N/a PRODUCTS: HAZARDOUS POLYMERIZATION: Will not occur

______SECTION 11: TOXICOLOGICAL INFORMATION

TOXICOLOGICAL INFORMATION: N/a SECTION 12: ECOLOGICAL INFORMATION

ECOLOGICAL INFORMATION: N/a ______SECTION 13: DISPOSAL CONSIDERATIONS

WASTE DISPOSAL METHOD: N/a RCRA HAZARD CLASS: N/a

SECTION 14: TRANSPORT INFORMATION

OF 3 GAF MATERIALS CORPORATION MSDS # 2052 MATERIAL SAFETY DATA SHEET MSDS DATE: 06/03

U.S. D0T Highway Transportation PROPER SHIPPING NAME: Not Applicable HAZARD CLASS: Not Applicable ID NUMBER: Not Applicable PACKING GROUP: Not Applicable LABEL STATEMENT: Not Applicable

U.S. DOT Water Transpiration PROPER SHIPPING NAME: Not Applicable HAZARD CLASS: Not Applicable ID NUMBER: Not Applicable PACKING GROUP: Not Applicable LABEL STATEMENT: Not Applicable

U.S. DOT Air Transpiration PROPER SHIPPING NAME: Not Applicable HAZARD CLASS: Not Applicable ID NUMBER: Not Applicable PACKING GROUP: Not Applicable LABEL STATEMENT: Not Applicable OTHER REGULATORY AGENCIES PROPER SHIPPING NAME: Not Applicable HAZARD CLASSIFACTION: Not Applicable ID NUMBER: Not Applicable LABELS REQUIRED: Not Applicable OTHER REQUIREMENTS: Not Applicable

SECTION 15: REGULATORY INFORMATION

U.S. FEDERAL REGULATIONS: N/a TSCA (TOXIC SUBSTANCE CONTROL ACT): N/a CERCLA (COMPREHENSIVE RESPONSE N/a COMPENSATION, AND LIABILITY ACT): SARA TITLE III (SUPERFUND AMENDMENTS AND N/a REAUTHORIZATION ACT): 311/312 HAZARD CATEGORIES: N/a 313 REPORTABLE INGREDIENTS: N/a

______SECTION 16: OTHER INFORMATION

ADDITIONAL COMMENTS: This product is considered to be a finished article as per 29 CFR 1910.1200(C) and is therefore exempt from the requirements of the Hazard Communication standard. Rubber products stored for prolonged period of time in a poorly ventilated area or heated during reprocessing may generate measurable amounts of volatile N-Nitrosamines, some of which may be animal carcinogens. Insure proper ventilation where this product is used or stored. DATE OF PREVIOUS MSDS: 10/02 CHANGES SINCE PREVIOUS MSDS: Phone Numbers TELEPHONE NUMBER FOR ADDITIONAL 800-766-3411 INFORMATION: