Composite Decking - Trex Signature

COMPOSITE DECKING TREX SIGNATURE® Date: 05-20-25

Part 1 General

1.1 Section Includes

A. Composite Decking - Trex Signature®

1.2 Related Sections

A. Section 06-1100 – Wood Framing

1.3 References

A. ASTM D7032: Standard Specification for Establishing Performance Ratings for Wood-Plastic Composite Deck Boards and Guardrail Systems (Guards or Handrails), ASTM International. B. ASTM D7031: Standard Guide for Evaluating Mechanical and Physical Properties of Wood-Plastic Composite Products, ASTM International C. ASTM E84: Test Method for Surface Burning Characteristics of Building Materials, ASTM International.

D. ASTM D570: Water Absorption of Plastics E. ASTM D1761: Mechanical Fasteners in Wood F. ASTM D1413: Test method for Wood Preservatives by Laboratory Soil-block Cultures

1.4 Design/Performance Requirements

A. Structural Performance:

a. 1x: Uniform Load – An allowable span of 16 in. on-center and 100 lbf/sq.ft. b. Tread of Stairs 1x: Concentrated Load: An allowable span of 12 in. on-center, and 750 lbf-, and 1/8” max. deflection, with a concentrated load of 300 lbf on area of 4 sq. in. B. Fire-Test Response Characteristics per ASTM E84. a. Flame Spread Index– Class C

1.5 Submittals

A. Product Data Indicate sizes, profiles, surface style, and performance characteristics. B. Samples: For each product specified, one sample representing actual product color, size, and finish.

1.6 Delivery, Storage, and Handling

A. Store Trex products on a flat and level surface. Support bundles on supplied dunnage. B. Keep material covered using the provided bundle cover until time of installation. C. For detailed storage recommendations: Trex Literature

1.7 Warranty

A. Specific terms for warranties can be found at: Trex Literature

Part 2 Products

2.1 Manufacturers

A. Contract Documents are based on products supplied by; Trex Company, Inc., 2500 Trex Way, Winchester, VA 22601. B. Substitutions: Not permitted under Division 01

2.2 Applications/Scope

A. Wood-Plastic Composite Lumber: a. Material Description: Trex Signature® Composite Decking consisting of recycled Linear Low-Density Polyethylene (LLDPE) and recycled wood. The product is extruded into shapes and sizes as follows: i. Nominal Dimensions 1” x 5.5”, Square and Grooved Edge ii. Lengths – 12, 16, and 20 feet iii. Color – To be specified by owner from Trex’s list of colors. b. Physical and Mechanical Properties as follows: Test Test Method Value Flame Spread Index ASTM E84 Class C Thermal Expansion ASTM D1037 1.9 x 10ˉ⁵ inch/inch/degreeF Moisture Absorption ASTM D1037 < 1% Screw Head Pull-Through ASTM D1761 161 lbf per screw** Fungus Resistance ASTM D1413 Rating - no decay Termite Resistance AWPA E1-72 Rating = 9.6 ** Fastener used in testing: #8 x 2.5 in. approved Stainless Steel Screw

2.2 Accessories

A. Fasteners:

a. Trex Universal Hideaway Hidden Fasteners b. Other recommended fasteners: Trex Literature

Part 3 Execution

3.1 Installation

A. Install according to Trex installation guidelines: Trex Literature B. Cut, drill, and rout using carbide tipped blades. C. Do not use composite wood material for structural applications.

3.2 Cleaning

A. Following cleaning recommendations as found in Trex installation guide at: Trex Literature

________________________ TREX COMPANY, LLC

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