Fox Home Center

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TREX® Installation

Trex is made from reclaimed & recycled materials. There are two "ingredients" in Trex - waste wood fiber and reclaimed plastics, such as grocery sacks and stretch film.
Wood Fiber Benefits:
  • Increased Stiffness
  • UV Protection
  • All the workability of the
    best grades of lumber
  • Slip Resistance
Plastics Provide:
  • Low Moisture Absorption
  • Chemical and Pest resistance
Providing you, the end user, with:

  • No Rotting, Cracking or Splintering
  • No Need for Sealants
  • No Water, Sun or Insect Damage
  • Ongoing Weatherometer testing (equaling 20+ years) has shown no deterioration of performance
  • Backed by a 10 year transferable limited warranty

To make Trex, approximately equal amounts of waste wood fiber and reclaimed plastic are combined. The wood fiber comes primarily from woodworking operations, while the plastic material is reclaimed mainly from stretch film and grocery sacks. During the "mixing" of these elements, the plastic actually surrounds and protects the individual wood fibers, giving Trex many of its superior weather-resistant properties. Trex contains no virgin wood or virgin plastics. No preservatives or treatments are added during its manufacture.

Cutting/Drilling TREX

You can cut Trex just like regular wood. We recommend using carbide tipped blades and router bits. Blades with fewer teeth (18-24 for a 7¼" circular saw blade) provide the best results. Work with Trex as you would any wood; however, you need not worry about grain direction or knots...Trex doesn't have any!

When drilling large or deep holes, periodically lift the drill bit out of the hole to draw the shavings out.

Even though splintering is not a factor with Trex, it is still recommended that you cut Trex slowly for an even edge.

Decking Span

For basic deck construction, the following chart lists the recommended center-to-center joist spacing for Trex (fastened to a minimum of 3 joists).

Recommended Center-to-Center Joist Spacing

 
Residential Decks &
Light Duty Decks
Commercial Docks,
Boatwalks & Marinas
Playground
Equipment
5/4x6
16"
12"
16"
Residential Day Care Only
2x4, 6, or 8
20"
16"
16"

Gapping Requirements

As with any decking material, width-to-width gapping is essential for drainage, as well as changes in dimension due to temperature. A gap of 1/8" will satisfy most installation conditions. However, larger gaps of 3/16" to 1/4" allow for easier cleaning and better drainage.

Gap Chart

When joining Trex end-to-end, gapping is also required. The size of the gap required will depend on the length of the boards, the temperature at the time of installation, and the highest anticipated temperature in the local area. As a rule of thumb, for 16' boards and smaller, allow 1/16" end gap for every 20 degrees Fahrenheit difference between installation temperature and the highest temperature expected during the year.

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