The brand-deep estimator for Fiberon decking — Lowe's primary composite partner. 4 lines (Paramount PVC, Concordia premium composite, Promenade mid, Good Life value). Stowaway hidden fastener delivers 100 sqft per box (2× competitors). 50-yr structural warranty on Paramount PVC.
IRC R312 requires 36″ guardrail above 30″.
IRC R312 requires 36″ guardrail above 30″. 40 lf of Fiberon HavenView (composite) priced at $88/lf.
Fiberon Paramount PVC — 50-yr structural ties Fiberon Paramount with TimberTech AZEK as longest in industry.. Register at fiberondecking.com/warranty within 30 days of install.
Fiberon Stowaway — 175 clips per box, 100 sqft coverage. Highest coverage-per-box in the industry (2× Trex TUHF or TimberTech CONCEALoc). Box price $138.
Dark colors (Brownstone, hex #5C4434) measure 145-160°F at the surface in 90°F sun. Paramount PVC reflects more heat than capped composite — runs ~10°F cooler than equivalent Concordia/Promenade.
Fiberon retail pricing 2026-Q1 (Lowe's Pro + Fiberon Authorized Dealer channel).
Photoreal 3D · plan view · framing breakdown. Color matches the Fiberon Paramount Brownstone variant.
Fiberon's authorized dealer network — opens fiberondecking.com.
Within 30 days of install. Need board serial numbers + install date.
Open the Composite Deck Cost Calculator to A/B Fiberon against Trex, TimberTech, Deckorators at the same dimensions.
Estimates use 2026-Q1 national-median pricing (Lowe's Pro + Fiberon Authorized Dealer channel). Expect ±15% variance. DeckMath is not affiliated with Fiberon; brand names are trademarks of their respective owners.
How to use
Paramount (flagship PVC, 50-yr warranty, premium dark colors with heat resistance), Concordia (premium capped composite, multi-tonal cap), Promenade (mid-tier, wood-grain authenticity at value), Good Life (value entry, Lowe's-stocked, DIY-friendly).
Up to 6 colors per line. Fiberon Paramount PVC runs noticeably cooler than wood-flour composite at the same color depth. Heat-rating icons (Flame/Snowflake) show surface-temp expectation in 90°F sun.
Length × width in feet. Pattern matters: parallel (7% waste, 1.0× labor), picture-frame (12%, 1.18×), diagonal (15%, 1.12×). Calculator quantizes board count using Fiberon's stocked 12/16/20 ft.
Stowaway hidden clip system (175 clips per $138 box, covers 100 sqft) — the highest-coverage hidden fastener in residential decking. Phantom Pack (50 plugs per $36 pack) for face-screw alternative.
Horizon (aluminum, $165/lf installed), HavenView (composite, $88/lf), Symmetry (value composite, $58/lf), or no railing.
Fiberon LED lighting kit (post + riser LEDs + 100W transformer + low-voltage wiring).
Materials breakdown w/ Fiberon part numbers, Stowaway box count, line auto-compare across all 4 lines, 3D viewer, project all-in totals box.
Material guide
Three honest paths. Composite wins the 25-year math for most homeowners, wood wins on upfront cost, and PVC is unbeatable around water. Each card below answers in one glance — recalculate the bill of materials by clicking a brand in the picker above.
How we calculate
The Fiberon Deck Calculator is the brand-deep estimator for the homeowner who has decided on Fiberon decking — a Fortune 500 polymer-composite manufacturer that's been Lowe's primary composite-decking partner for over a decade. Pick a line — Paramount (PVC, 50-yr structural), Concordia (capped composite premium), Promenade (mid-tier), Good Life (value, Lowe's-stocked) — pick a color, and DeckMath returns a real BoM with Stowaway hidden-fastener box count (175 clips per box, 100 sqft coverage — the most efficient in the industry), optional Phantom Pack color-matched plug system, optional Fiberon LED lighting, plus a side-by-side comparison across all 4 Fiberon lines. Pricing reflects 2026-Q1 retail at Lowe's Pro + Fiberon Authorized Dealers.
Per-LF retail prices reflect 2026-Q1 Fiberon pricing at Lowe's Pro + Fiberon Authorized Dealer channel. Stowaway + Phantom Pack specs from Fiberon install manuals (175 clips/box, 50 plugs/pack). Paramount 50-yr warranty per Fiberon Decking published terms.
Rows = ceil(width × 12 ÷ (5.5 + 0.125)). Pattern-driven waste %.
Each Stowaway box has 175 clips, covers ~100 sqft at 16″ joist o.c. — DOUBLE the coverage of Trex TUHF or TimberTech CONCEALoc per box. Total clips = boards × (length × 12 ÷ 16 + 1). Loose remainder $1.50/clip.
Each Phantom Pack has 50 color-matched plugs, covers ~50 sqft. Used when fastener=phantom-plug.
Fiberon installs are 25% slower than face-screwed PT. Pattern + shape compound. Region: 0.92× South to 1.28× West Coast.
Fiberon railing posts every 6 ft. One post-cap LED per post. One riser light per stair tread. One 100W transformer per project.
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