Trex Transcend vs TimberTech Legacy & Reserve
The three premium capped-composite boards most homeowners shortlist, compared line-by-line: price, the 25 vs 30-year warranty gap, palettes, fastener systems, and the 16×20 math.
In the premium capped-composite tier, Trex Transcend runs about $5.40 per linear foot (≈$11.50/sq ft in boards), TimberTech PRO Legacy about $4.80 (≈$10.25), and TimberTech PRO Reserve about $5.50 (≈$11.75). TimberTech's 30-year warranties beat Trex's 25 — Trex answers with a 14-color palette and the Lineage heat-mitigation cap. Here's the full head-to-head.
The 30-second answer
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.
| Spec | Trex Transcend | TimberTech PRO Legacy | TimberTech PRO Reserve |
|---|---|---|---|
| Board price (per lf, retail) | $5.40 | $4.80 | $5.50 |
| Boards only (per sq ft) | ≈$11.50 | ≈$10.25 | ≈$11.75 |
| Material | Capped composite | Capped composite | Capped composite |
| Structural warranty | 25 years | 30 years | 30 years |
| Fade & stain warranty | 25 years | 30 years | 30 years |
| Colors | 14 (Tropicals, Earth Tones, Lineage) | 4 (incl. streaked Tigerwood) | 4 (multi-tonal cap) |
| Heat tech | Lineage heat-mitigation cap (4 colors) | None | None |
| Hidden fastener | Trex Universal Hidden Fastener | TimberTech CONCEALoc | TimberTech CONCEALoc |
| Where to buy | Home Depot + Trex Pro Platinum | Lowe's + AZEK Pro dealers | Lowe's + AZEK Pro dealers |
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.
The warranty gap: 30 beats 25 — on paper
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.
Looks: palette size vs cap character
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.
The 16×20 board-budget math
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:
| Board | Boards only, 320 sq ft | Fastener system (per sq ft) | Brand stairs (per step) |
|---|---|---|---|
| TimberTech PRO Legacy | ≈$3,280 | CONCEALoc — ≈$1.70 | $290-430 |
| Trex Transcend | ≈$3,690 | TUHF — ≈$1.78 | $320-460 |
| TimberTech PRO Reserve | ≈$3,755 | CONCEALoc — ≈$1.70 | $290-430 |
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.
Which should you pick?
- 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.
Where this pricing comes from
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.
Frequently asked questions
Is TimberTech Legacy as good as Trex Transcend?
On the measurable specifications, Legacy has the better case. It is a fully capped composite board like Transcend, costs about 11 percent less at $4.80 per linear foot against $5.40, and carries longer coverage at 30 years structural and 30 years fade and stain against Transcend's 25 and 25. On a 320 square foot deck that is roughly $410 less in boards with more warranty behind them. What Transcend answers with is choice and heat. Legacy offers four colours, Mocha, Tigerwood, Espresso and Ashwood, leaning on dramatic streaking, with Tigerwood in particular reading as a tropical hardwood. Transcend offers 14 colours across three collections and the only heat-mitigation cap in this comparison. So if one of Legacy's four colours suits the design, it is the value verdict of the tier; if you are chasing a specific shade, Transcend is where you are likelier to find it.
What's the price difference between Trex Transcend and TimberTech Reserve?
At board level it is negligible: about $5.40 per linear foot for Transcend against $5.50 for PRO Reserve, which on a 320 square foot deck is roughly $3,690 against $3,755, a gap of about $70. Since the boards effectively tie, the decision moves entirely to the three things that do differ. Warranty favours Reserve at 30 and 30 against 25 and 25. Palette favours Transcend at 14 colours against four. Heat favours Transcend, whose Lineage collection is the only heat-mitigating cap here. Appearance is a genuine preference rather than a spec: Reserve's cap is multi-tonal, with colours such as Antique Leather and Driftwood shifting board to board for a reclaimed-timber look, while Transcend's Tropicals use bolder streaking for a hardwood effect. Fastener and railing pricing are close enough between the brands that neither swings the total.
Does TimberTech have a longer warranty than Trex?
At this tier, yes. TimberTech PRO Legacy and PRO Reserve both carry 30-year structural and 30-year fade and stain coverage, against 25 and 25 on Trex Transcend. Legacy is the striking case, since it is the cheapest board in this comparison and still carries the longer paper. Two caveats stop that from settling the question. First, fade and stain coverage is defined by each manufacturer's own document, with its own exclusions and its own registration window, so the number of years is not directly comparable until you have read both. Both brands require registration and both make the warranty transferable to the next owner, which is worth doing properly if you may sell. Second, a warranty only pays on the failure it covers, and capped composite from either maker, installed correctly on code-compliant framing, is expected to outlast a pressure-treated surface regardless of whose paper runs longer.
Can I use Trex hidden fasteners on TimberTech boards?
No. The Trex Universal Hidden Fastener and TimberTech CONCEALoc are similar in concept and nearly identical in price, about $89 and $85 per box covering roughly 50 square feet, but each clip is dimensioned for its own brand's groove profile. Mixing them produces inconsistent board gaps, a loose or over-tight fit that can telegraph across the deck, and an explicit warranty void on the boards. Buy the clip system that matches the board. Plan the fastener line into the budget rather than treating it as an afterthought, since at roughly $1.70 to $1.78 per square foot it adds about $550 to $570 on a 320 square foot deck, which is a meaningful share of the price gap between these boards. If you prefer face-screwing, each brand sells colour-matched plug kits designed for its own boards.
Which premium composite runs coolest in the sun?
Among these three, only Trex Transcend has an engineered answer, and only in four colours: the Lineage collection, Rainier, Carmel, Biscayne and Jasper, which carries a dedicated heat-mitigation cap. Neither TimberTech PRO line offers one, because TimberTech's cooler boards are its AZEK PVC lines, a different material at a higher price bracket. Outside Lineage, colour does more than brand: light tones such as Ashwood or Driftwood run cooler than dark ones such as Espresso or Spiced Rum, and that holds across all three products here. If cool-underfoot is your top priority rather than one consideration among several, the honest answer is to leave capped composite entirely and look at PVC, which runs about 10 degrees cooler at matched colour and carries a 50-year structural warranty, at the cost of a higher board price and a smaller palette.
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