
16-Gauge Joist
Cold-formed 2x6 joist. Outspans SPF lumber. Doesn't rot, twist, or shrink — ever.
The 16-gauge 2x6 joist is the workhorse of the Evolution system. Cold-formed steel with the same nominal dimensions as a 2x6 wood joist — but with structural span capability that outperforms SPF in most residential configurations at 16-inch on-centre spacing. Available in 12', 14', 16', 18', and 20' lengths. The Black Sand Multi-stage coating coating is a four-layer system: pre-galvanization, nano-pretreatment, e-coat, and powder top coat. Cut ends get treated with Black Sand touch-up spray before install. The result: a joist that doesn't move seasonally, doesn't pop screws as boards expand and contract, and doesn't pit out at the frost line in Saskatchewan clay soil.

“If you're putting Trex Transcend or Eva-Last Apex PLUS on top — twenty-five-year boards — frame it with twenty-five-year joists. I've watched too many SPF frames start moving at year eight while the composite boards are still mint. The math works the moment you do the rebuild calculation honestly.”








