Guide
Product Guide TimberTech Decking & Railing

TimberTech Prime+ Collection Decking

TimberTech Prime+ delivers 85% recycled content composite decking with 25-year warranty coverage and proven structural performance at 16-inch on-center joist spacing. The 5.36” x 0.94” boards feature 3-sided polymer capping and engineered scalloped profile that cuts weight without sacrificing strength — matters when hauling materials to remote Montana job sites.

This capped composite targets contractors who need reliable span ratings, documented warranty coverage, and compatibility with standard hidden fastener systems. The CCRR-0128 code compliance means no permit headaches. The polymer cap on 3 sides blocks moisture where it counts while keeping material weight manageable.

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Structural Specifications and Installation Requirements

The engineering numbers tell the story. Maximum 16” on-center for residential applications; 12” for diagonal or heavy-use. That 16” spacing matches standard deck framing — no special joist layout required. The scalloped profile removes material from the underside without compromising load capacity.

SpecificationValue
Board Dimensions5.36” x 0.94”
Riser Board7.25” x 0.58”
Fascia Board11.95” x 0.58”
Available Lengths12 ft, 16 ft, 20 ft
Joist Spacing (Residential)16” on-center maximum
Joist Spacing (Diagonal/Heavy)12” on-center
Gapping Requirements1/8” to 3/16” depending on temperature

Temperature-based gapping matters in Montana. Installing on a 30-degree morning requires the wider gap spec. The 1/8” to 3/16” depending on temperature at the time of installation accounts for thermal expansion across Montana’s temperature swings.

Compatible with TOPLoc (color-matched face-fastening screws) and EdgeLoc (hidden fastener system for grooved boards). But here’s the critical limitation: Cortex (concealed fasteners) are NOT compatible with scalloped profiles like Prime+. That scalloped underside that saves weight? Cortex plugs need solid material to bite into. Plan accordingly.

Material Composition and Performance Warranty

The material science delivers measurable benefits. High-performance recycled polymers blended with reclaimed wood fibers at approximately 85% recycled content hits environmental targets without compromising performance. The polymer cap on 3 sides (protective against moisture, rot, and UV) puts protection where damage happens — top surface and exposed edges.

25-Year Limited Lifetime Warranty covers structural integrity. 25-Year Fade & Stain Limited Warranty backs the color performance. That fade warranty matters at Montana elevations where UV exposure runs 20% higher than sea level.

The certification stack checks the boxes: CCRR-0128 (Code Compliance Research Report), ICC-ES AC174 compliance for deck board span ratings, and Intertek certified for structural performance. Real third-party testing, not marketing claims.

Prime+ offers more advanced color blending and realistic grain than the base Prime collection. Against the competition, TimberTech Prime+ is often reviewed as having a more realistic wood grain and higher build quality compared to Trex’s entry-level ‘Enhanced’ line.

The trade-offs are clear. Prime+ (EDGE) is 3-sided capped with a 25-year warranty; PRO is 4-sided capped with a 30-year warranty. AZEK is 100% PVC (no wood fibers) with a 50-year warranty, whereas Prime+ is a composite blend. You’re trading that fourth side of capping and warranty years for different material composition.

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Montana Installation Considerations

Customers appreciate the blend of colors which prevents the ‘plastic’ look common in entry-level composites. But the real Montana advantage? That engineered scalloped (grooved bottom) for reduced weight without sacrificing strength. Lighter boards mean easier handling on hillside decks, less strain hauling up scaffolding, and reduced freight costs to remote job sites.

Periodic scrub and rinse with mild soap and water handles maintenance. No annual staining marathons. No sanding and refinishing after harsh winters. The protective polymer cap shrugs off snowmelt and spring mud season.

Color options include Coconut Husk (Natural brown), Sea Salt Gray (Weathered gray), and Dark Cocoa (Deep, rich brown). All three handle Montana sun without the chalky fade that plagues cheaper composites.

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Bottom Line

Prime+ makes sense for Montana contractors who need proven 16” span ratings, documented warranties, and standard fastener compatibility. The 3-sided capping protects where it matters while the scalloped profile cuts weight for easier handling. At 85% recycled content with 25-year warranties, it delivers commercial-grade specs.

Not the cheapest composite. Not the most premium. But for contractors tired of callbacks on budget decking that can’t handle Montana weather, Prime+ offers measurable performance improvements where they count.

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FAQ

Can Prime+ boards be used for stair treads? Yes. Specifically allowed for use as stair treads. The same span ratings and fastener requirements apply.

Why won’t Cortex hidden fasteners work with Prime+? The scalloped profile removes material from the underside. Cortex (concealed fasteners) are NOT compatible with scalloped profiles like Prime+ because the plugs need solid material depth to properly seat.

What’s the actual difference between Prime and Prime+? Prime+ offers more advanced color blending and realistic grain than the base Prime collection. Same structural specs, better aesthetics.

How does the 3-sided cap affect longevity? 3-sided cap means bottom is exposed to moisture. For ground-level decks with poor ventilation, consider upgrading to TimberTech PRO with 4-sided capping. For elevated decks with good airflow, the exposed bottom rarely causes issues.

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