Trex Transcend vs TimberTech Legacy & Reserve

All three are solid, fully capped composite boards — nobody at this tier ships a scalloped profile. PRO Legacy is the value play: the cheapest of the three with the longer 30-year warranty. Transcend buys the biggest palette (14 colors) and the only heat-mitigation cap in the group. PRO Reserve is TimberTech's answer to Transcend — a multi-tonal premium cap at near-identical board cost, still with the 30-year paper.

Prices are 2026-Q1 retail averages (Home Depot, Lowe's, each brand's pro channel). Per-square-foot figures assume a 5.5″ board face + 1/8″ gap (≈2.13 lf per sq ft) — the same conversion DeckMath's Trex and TimberTech calculators use.

This is TimberTech's cleanest selling point at the premium composite tier: PRO Legacy and PRO Reserve carry 30-year structural and 30-year fade & stain warranties, against Transcend's 25 + 25. Legacy is the striking case — it's about 11% cheaper per board foot than Transcend and still carries the longer coverage.

Two caveats keep this from being a knockout. First, both manufacturers' fade/stain coverage is defined by their own documents — read the terms (and register the warranty within the stated window; both brands require it and make it transferable to the next owner). Second, a warranty is only as useful as the failure mode it covers: capped composite from either maker, correctly installed on code-compliant framing, is expected to outlast a pressure-treated surface regardless of whose paper is longer.

Trex Transcend — 14 colors, 3 collections

Transcend's palette is the widest in this comparison: 6 Tropicals (hardwood looks with streaking — Spiced Rum, Tiki Torch, Havana Gold), 4 Earth Tones (grays and neutrals like Island Mist and Gravel Path), and 4 Lineage colors with the heat-mitigation cap (Rainier, Carmel, Biscayne, Jasper). If your build is chasing a specific shade, the odds you find it are simply higher here.

TimberTech PRO Legacy — 4 colors, streaked

Legacy's 4-color palette (Mocha, Tigerwood, Espresso, Ashwood) leans on dramatic streaking — Tigerwood in particular reads as a tropical hardwood. Its wood-grain cap is the reason it's routinely cross-shopped against Transcend despite the lower price.

TimberTech PRO Reserve — 4 colors, multi-tonal

Reserve's cap is multi-tonal — colors like Antique Leather and Driftwood shift tone board-to-board for natural variation rather than bold streaks. It's the most 'reclaimed wood' look of the three.

On a 320 sq ft (16×20) deck, boards-only budgets at the prices above — framing, labor and permits are identical whichever board goes on top:

Legacy undercuts Transcend by roughly $410 in boards on a 16×20 — about 11% — while Reserve and Transcend are within $70 of each other. Fastener systems are near-priced (TUHF: $89 per 50 sq ft box; CONCEALoc: $85 per 50 sq ft box) but not interchangeable — each brand's clip is dimensioned for its own groove, and mixing systems voids the warranty. Railing tiers also mirror each other: Trex Transcend Railing ≈$95/lf installed vs TimberTech Reserve Rail ≈$90/lf; Trex Signature aluminum ≈$188/lf vs TimberTech Premier ≈$175/lf.

• Best warranty per dollar: PRO Legacy — the cheapest board here and the longer 30-year coverage. If Tigerwood, Mocha, Espresso or Ashwood works for your design, it's the value verdict of the tier.
• Dark deck in full sun: Transcend Lineage — the only heat-mitigation cap in this comparison. Neither TimberTech PRO line offers one (TimberTech's cooler boards are its AZEK PVC lines, a different material and price bracket).
• Specific color in mind: Transcend — 14 colors vs 4, including true hardwood-look Tropicals.
• Reclaimed / weathered aesthetic with the longer warranty: PRO Reserve — the multi-tonal cap, priced within $0.10/lf of Transcend.
• Retailer proximity decides ties: Transcend runs through Home Depot and Trex Pro Platinum dealers; both TimberTech PRO lines run through Lowe's and AZEK Pro dealers. Whichever pro desk is nearer usually ships faster.

Board prices are 2026-Q1 retail averages across Home Depot, Lowe's and each brand's pro channel — the dataset behind DeckMath's Trex Transcend, TimberTech Legacy and TimberTech Reserve calculators. Warranty terms and palettes are the manufacturers' published product data — verify current terms at trex.com and timbertech.com before you buy. Per-square-foot conversions use a 5.5″ board face + 1/8″ gap (≈2.13 lf/sq ft). See our methodology and sources.