DeckMath
Composite · Kentucky · 2026-Q1 retail

Composite Deck Cost in Kentucky

A Composite deck in Kentucky costs $32-$87/sqft installed with the state's 0.92× labor multiplier (South). Generic composite covers the entire wood-plastic-composite + capped composite + PVC market — Trex, TimberTech, Fiberon, Deckorators, MoistureShield, Wolf, Zuri, NewTechWood, DuraLife. Average 25-yr lifespan + no maintenance is the value vs PT pine which needs annual staining. Kentucky labor 0.92× national.

0.92× labor$60/sqft medianFrost 18humid climate26-yr lifespan
$/sqft low
$32
Trex Enhance Basics
$/sqft median
$60
TimberTech Pro Legacy
$/sqft high
$87
AZEK Vintage Mahogany
Frost depth
18″
footing depth required

Composite cost by deck size in Kentucky

Mid-tier Composite (TimberTech Pro Legacy) at Kentucky's 0.92× labor multiplier — ~$53/sqft installed.

Size
Low (entry)
Median (mid)
High (luxury)
10×12 (120 sqft)
$3,840
$6,360
$7,920
12×16 (192 sqft)
$6,144
$10,176
$12,672
16×20 (320 sqft)
$10,240
$16,960
$21,120
20×24 (480 sqft)
$15,360
$25,440
$31,680

Cost ranges include materials + labor + standard railing. Excludes permit ($140 baseline + 1.2% of project value), demolition (if replacing), and footings for 18″ frost depth.

Composite product lines in Kentucky

Composite installed cost ranges from $35/sqft (entry tier like Trex Enhance Basics) to $95/sqft (luxury PVC like AZEK Harvest). National median is $50-58/sqft for a mid-tier 2026-Q1 build — multiply by your state labor multiplier for local pricing.

Trex Enhance Basics
$32/sqft
Entry composite · $35 national × 0.92× Kentucky labor
TimberTech Pro Legacy
$53/sqft
Mid composite · $58 national × 0.92× Kentucky labor
Fiberon Sanctuary
$53/sqft
Premium composite · $58 national × 0.92× Kentucky labor
AZEK Vintage Mahogany
$66/sqft
Luxury PVC · $72 national × 0.92× Kentucky labor

Kentucky-specific notes

Labor multiplier
0.92×
South region labor pricing applied to all installed costs.
Frost depth
18″
Footings must extend below frost line per IRC R403.1.4.
Climate
humid
Salt-air coastal areas: use 316SS hardware regardless of brand.
Top metros
Louisville · Lexington
Major metros driving installer availability + pricing pressure.
Permit fee
$105-$259
KY permits $130-200.
Warranty
25-yr fade + 25-yr structural typical for mid-tier composite; PVC lines 30-50 yr lifetime
25-yr fade + 25-yr structural typical for mid-tier composite; PVC lines 30-50 yr lifetime

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FAQ — Composite in Kentucky

How much does a Composite deck cost in Kentucky?

In Kentucky, Composite decking costs $32-$87/sqft installed (national $35-$95/sqft × Kentucky's 0.92× labor multiplier). A typical 16×20 (320 sqft) Composite deck lands around $19,200. Mid-tier TimberTech Pro Legacy runs about $16,960 for the same scope.

Which Composite line is best for Kentucky's climate?

Kentucky's humid climate favors capped composite or PVC over generic composite — Fiberon Sanctuary performs best in this environment. Salt-air coastal areas (Gulf Coast, Atlantic) need 316SS hardware regardless of brand.

What's the permit fee for a Composite deck in Kentucky?

Kentucky permit fees typically run $105-$259 depending on jurisdiction and project value — most calculators use max(regional baseline $140, 1.2% of project value). KY permits $130-200.

How deep do footings need to be for a Composite deck in Kentucky?

Kentucky's frost depth is approximately 18″. Composite doesn't change the footing requirement — that's IRC R403.1.4-driven by frost line. Use Sonotube 10″ for typical loads. Verify with your local building department since AHJs sometimes require deeper depths than the state-published value.

Is Composite worth the money in Kentucky?

Composite vs PT pine over 25 years in Kentucky: PT pine = ~$28/sqft installed + ~$2/sqft/yr maintenance (stain/seal annually) = $85/sqft total. Composite mid-tier = $53/sqft installed + $0 maintenance = $53/sqft total. Composite typically wins the 25-yr TCO comparison by 20-40%, plus better resale value.

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