Steel Frame Substructures

trex steel substructure
Trex Elevations ®

The only deck frame that can stand up to the elements. Wood substructures split, warp and shift over time, leading to an uneven surface in the deck boards above. The dimensionally stable steel of Trex Elevations stays in place, giving you consistently flat decking.

trex steel framing
trex layer breakdown


An unparalleled three layers of protection surround a carbon steel core, ensuring each critical joist, beam and ledger connection holds up to the elements for decades, with a 25-Year Limited Residential Warranty to prove it. And, unlike our interior-grade steel competitors, Elevations is the ONLY one code-listed for exterior use, supported by the CCRR0186 code compliance research report.

Trex Elevations

The first question you may be asking yourself is, "Why would I want a steel-framed deck?" The answer is as simple as it is complex; because it’s BETTER!


Our ancient ancestors came to the realization that steel did a much better job of protecting and providing the foundation for stronger structures, because it was not an organic substance (such as wood). You could change the recipe, so to speak, if you wanted something harder, softer, pliable, etc…where by comparison, you get what you get with wood. That is not to say that pressure-treated wood cannot provide the foundation for a solid deck, because it can and it does in the majority of structures in our yards today. But as with anything organic, there is maintenance, aging and blemishes that appear over time. Wood can also split, warp, and shift over time-leading to an uneven decking surface, as well as structural weak points.


In an effort to combat these and other issues, the good people at Trex set out to develop a system of deck framing that was stronger, more durable, non-organic and maintenance free. The result? Trex Elevations steel framing was born!

by Tim Zwart

trex steel decking

Rot- and termite-proof steel lasts much longer than wood.

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Call 1-844 RENEWIT

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