Safety Data Sheet for Trex Refuge™ decking.
SDSTP 01-12-2026
SECTION 1 - IDENTIFICATION:
TREX REFUGE ® DECKING
PRODUCT NAME:
SUPPLIER:
TREX COMPANY, INC 2500 TREX WAY WINCHESTER, VA 22601
PRODUCT AND MSDS INFORMATION: 800-289-8739 EMERGENCY CONTACT: 800-289-8739
REVISION:
01-12-2026
SECTION 2 - HAZARD IDENTIFICATION:
HEALTH HAZARD: This product is an extruded rigid plastic polymer of chlorinated hydrocarbon. Evaluated as a whole, it is REACH compliance, however, this formulated polyvinyl chloride (CAS #: 9002-86-2) product may contain trace amounts (typically less than 0.5 ppm) of vinyl chloride monomer (CAS #: 75-01-4), a known carcinogen. And in addition, this mixture may also contain trace amounts of some chemicals as residual process or product constituents, for more information, please contact Trex Tech Service.
PHYSICAL / CHEMICAL HAZARDS: No significant hazards. ENVIRONMENTAL HAZARDS: No significant hazards.
NFPA HAZARD ID: Health: 0
Flammability: 1
Reactivity: 0
EMERGENCY RESPONSE DATA: Exposure to fire can generate toxic fumes: Hydrogen Chloride, Carbon Monoxide, Carbon Dioxide, etc.
SECTION 3 – COMPOSITION / INFORMATION ON INGREDIENTS: Major Components Appx. Wt %
CAS Registry
Polymer of chlorinated hydrocarbon
50 ~ 95 % 0 ~ 50 % 0 ~ 12 % 0 ~ 25%
N/A N/A N/A N/A N/A N/A
Inorganic fillers Color pigments
Polymeric Impact Modifier / Process Aid
Lubricant
0 ~ 6 % 0 ~ 6 %
Organotin heat stabilizers
NOTE: All listed ingredients are proprietarily preformulated mixtures, therefore no CAS Registry numbers are applicable. The fillers and pigments may contain metal compounds such as calcium carbonate, titanium dioxide, talc, etc . The organotin heat stabilizers may contain various methyl, butyl, or octyl tin stabilizers.
SECTION 4 – FIRST AID MEASURES: EYE CONTACT: Flush thoroughly with water. If irritation occurs, call a physician.
SKIN CONTACT: Wash contact areas with soap and water. Launder contaminated clothing before reuse.
INHALATION: If respiratory irritation, cough, shortness of breath, wheezing or chest tightness, seek immediate medical assistance and call for a physician.
INGESTION: Not expected to happen. If uncomfortable, seek medical assistance.
SECTION 5 – FIRE-FIGHTING MEASURES: Flammability properties of this product have not been established. In general, rigid polyvinyl chloride compounds are nonflammable and nonexplosive under normal conditions of use, will not sustain combustion without exposure to heat from another source. However, rigid polyvinyl chloride compounds will burn if exposed to external sources of heat. HAZARDOUS DECOMPOSITION PRODUCTS: Upon combustion or pyrolysis, hydrogen chloride, carbon monoxide, carbon dioxide, various hydrocarbons, aromatic hydrocarbons, and other toxic gases could be generated.
EXTINGUISHING MEDIA: Water spray, foam, carbon dioxide or dry chemicals.
SPECIAL FIRE FIGHTING PROCEDURES: Avoid inhalation of material and combustion by-products. Fire fighters must wear NIOSH approved self- contained breathing apparatus and full protective clothing. Continue to cool with water after fire is out to reduce emission of hazardous decomposition products. Collect contaminated fire-fighting water separately.
SPECIAL PROTECTIVE EQUIPMENT: NIOSH approved self-contained breathing apparatus and full protective clothing.
SECTION 6 – ACCIDENTAL RELEASE MEASURES: NOTIFICATION PROCEDURES: None
PROCEDURES IF MATERIAL IS RELEASED OR SPILLED: Where dusty conditions are created as a result of cutting or sawing, wet dust down then sweep or vacuum for disposal. Personnel performing cleanup must use protective equipment.
ENVIRONMENTAL PRECAUTIONS: Not expected to be a problem.
PERSONAL PRECAUTIONS: See Section 8
SECTION 7 – HANDLING AND STORAGE: HANDLING: TREX ® REFUGE LUMBER is not intended for load bearing or heavy structural applications. Please consult Trex ® code listing and company literature for proper usage. Proper handling is required to prevent damage or injury. Do not burn in fireplace or use it as firewood. STORAGE: Do not store in open or unlabeled containers. Store away from strong oxidizing agents or combustible material.
SECTION 8 – EXPOSURE CONTROLS / PERSONAL PROTECTION: VENTILATION: Use in well-ventilated area.
RESPIRATORY PROTECTION: Approved dust respirators must be used for dusty conditions or if breathing of dust is likely.
EYE PROTECTION: Safety glasses with side shields, or goggles, should be worn to protect against dust particles.
SKIN PROTECTION: No special equipment required. Good personal hygiene practices should always be followed.
Substance Name Polyvinyl Chloride Vinyl Chloride Calcium Carbonate
Source OSHA OSHA OSHA ACGIH
TWA ppm (mg/m3)
STEL ppm (mg/m3)
15 ppm 1 ppm 5 ppm 2 ppm
5 ppm, 15 min.
Talc
Titanium Dioxide
OSHA 10 ppm Note: Limits shown for guidance only. Follow application regulations.
SECTION 9 – PHYSICAL AND CHEMICAL PROPERTIES: Typical physical properties are given below. Consult Product Data Sheet for specific details.
Appearance: Solid Color: Gray, Red, Brown Odor: None Odor Threshold - ppm: NE pH: N/A Boiling Point C(F): N/A Melting Point C(F): > 150 (300) Flash Point C(F): > 390 (730) Flammability: NE (Flame Spread Index < 25) Auto Flammability: 395 (743)
Explosive Properties: N/A Oxidizing Properties: N/A Vapor Pressure-mmHg 20C: N/A Vapor Density: NE Evaporation Rate: NE Relative Density: 661 kg/m 3 Solubility in Water: Negligible Partition Coefficient: NE Viscosity at 40C, cSt: N/A Viscosity at 100C, cSt: N/A
Pour Point C (F): N/A Freezing Point C(F): NE Volatile Organic Compound: NE N/A = Not Applicable
NE = Not Established
D = Decomposes
SECTION 10 – STABILITY AND REACTIVITY: STABILITY (THERMAL, LIGHT, ETC.): Stable.
CONDITIONS TO AVOID: Heat (greater than 300 o F) and flame. INCOMPATIBILITY (MATERIALS TO AVOID): Strong oxidizers. HAZARDOUS DECOMPOSITION PRODUCTS: Smoke, Hydrogen Chloride, Carbon Monoxide, Carbon Dioxide. HAZARDOUS POLYMERIZATION: Will not occur.
SECTION 11 – TOXICOLOGICAL INFORMATION: ACUTE TOXICOLOGY: Oral Toxicity (Rats): Not established.
Dermal Toxicity (Rabbits): Not established. Inhalation Toxicity (Rats): Not established. Eye Irritation (Rabbits): Not established. Skin Irritation (Rabbits): Not established.
CHRONIC TOXICOLOGY (SUMMARY): This product has not been evaluated as whole for health effects. Classifications and exposure effects listed below are for selected individual components of the mixture.
Substances Classified by International Agency for Research on Cancer
Substance Name
IARC Category
Polyvinyl Chloride Titanium Dioxide
3 (not classifiable)
2B
SECTION 12 – ECOLOGICAL INFORMATION: ENVIRONMENTAL FATE AND EFFECTS: Not established.
SECTION 13 – DISPOSAL CONSIDERATIONS: WASTE DISPOSAL: This product should be disposed of in accordance with Federal, State, and local environmental regulations.
SECTION 14 – TRANSPORT INFORMATION: This product is not regulated as a hazardous material / dangerous good for all forms of transportation.
USA DOT: Not applicable IMO / IMDG: Not applicable ICAO / IATA: Not applicable Transport Canada TDG: Not applicable
SECTION 15 - REGULATORY INFORMATION: GOVERNMENTAL INVENTORY STATUS:
All components comply with TSCA. The proprietarily preformulated mixtures may contain ingredients that are regulated under California Proposition 65 and OSHA 29 CFR 1910.1017.
SECTION 16 – OTHER INFORMATION: Information given herein is offered in good faith as accurate, but without guarantee. Conditions of use and suitability of the product for particular uses are beyond our control; all risks of use of the product are therefore assumed by the user and we expressly disclaim all warranties of every kind and nature, including warranties of merchantability and fitness for a particular purpose in respect to the use or suitability of the product. Nothing is intended as a recommendation for uses which infringe valid patents or as extending license under valid patents. Appropriate warnings and safe handling procedures should be provided for handlers and users. Alternation of this document is strictly prohibited. Except to the extent required by law, republication or retransmission of this document, in whole or in part, is not permitted. Trex® assumes no responsibility for accuracy of information unless the document is the most current available from an official Trex® distribution system. Trex® neither represents nor warrants that the format, content or product formulas contained in this document comply with the laws of any other country except the United States of America.
Trex and Trex (stylized) are federally registered trademarks of Trex Company, Inc., Winchester, VA.
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