OTHER APPROVED FASTENERS/ CONTINUED
COMPATIBLE FASTENER MATERIALS FOR USE WITH TREX
Stainless Steel: 410 Series or 1.4003/ 1.4006
Stainless Steel: 300 Series or 1.4301/1.4401/1.4567
Carbon Steel w/ 1000 hr. Corrosion- Resistant Coating
Substrate Material
Exterior Grade Natural or Treated Timber
Yes***
Yes
Yes**
Plastic or Fiberglass Composites
Yes
Yes
Yes
Aluminum
No
No
Yes
Steel
No
Yes*
Yes #
*Trex Elevations Universal Hidden Fastener are approved **Trex Universal Hidden Fasteners are approved
# Trex Universal Hidden Fasteners for Aluminum Framing are approved ***See Trex recommended fasteners for listing of approved decking screws This guide is for recommended use of fasteners for use with Trex decking. Not all sub-structure materials fall under these categories. In the case of any unique substrate composition of materials, or proprietary composites, consult the substrate manufacturer for recommendations of applicable fasteners.
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