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TimberTech · Montana · 2026-Q1 retail

TimberTech Deck Cost in Montana

A TimberTech deck in Montana costs $54-$134/sqft installed with the state's 1.28× labor multiplier (West). TimberTech (owned by AZEK Company) makes 3 lines: Edge Prime+ (capped composite entry), Pro Legacy (premium capped composite), and AZEK Vintage/Harvest/Arbor (cellular PVC top tier). PVC lines outperform composite on heat + moisture but cost ~20-30% more. Montana labor 1.28× national. Frost depth among the deepest in the US — footing cost dominates.

1.28× labor$94/sqft medianFrost 60snow climate32-yr lifespan
$/sqft low
$54
TimberTech Edge Prime+
$/sqft median
$94
TimberTech Pro Legacy
$/sqft high
$134
TimberTech AZEK Harvest
Frost depth
60″
footing depth required

TimberTech cost by deck size in Montana

Mid-tier TimberTech (TimberTech Pro Legacy) at Montana's 1.28× labor multiplier — ~$74/sqft installed.

Size
Low (entry)
Median (mid)
High (luxury)
10×12 (120 sqft)
$6,480
$8,880
$13,560
12×16 (192 sqft)
$10,368
$14,208
$21,696
16×20 (320 sqft)
$17,280
$23,680
$36,160
20×24 (480 sqft)
$25,920
$35,520
$54,240

Cost ranges include materials + labor + standard railing. Excludes permit ($290 baseline + 1.2% of project value), demolition (if replacing), and footings for 60″ frost depth.

TimberTech product lines in Montana

TimberTech installed cost ranges from $42/sqft (Edge Prime+ on PT framing) to $105/sqft (AZEK Harvest on premium railing). The PVC lines (AZEK Vintage Mahogany / AZEK Harvest Slate Gray) command the top of the range — multiply by your state labor multiplier.

TimberTech Edge Prime+
$54/sqft
Entry capped composite · $42 national × 1.28× Montana labor
TimberTech Pro Legacy
$74/sqft
Premium composite · $58 national × 1.28× Montana labor
TimberTech AZEK Vintage
$92/sqft
Premium PVC · $72 national × 1.28× Montana labor
TimberTech AZEK Harvest
$113/sqft
Luxury PVC · $88 national × 1.28× Montana labor

Montana-specific notes

Labor multiplier
1.28×
West region labor pricing applied to all installed costs.
Frost depth
60″
Footings must extend below frost line per IRC R403.1.4.
Climate
snow
Freeze-thaw favors PVC over composite where budget allows.
Top metros
Billings · Missoula · Bozeman
Major metros driving installer availability + pricing pressure.
Permit fee
$218-$537
MT permits $150-280. Frost depth 60″ in northern MT.
Warranty
30-yr fade + 50-yr lifetime on AZEK PVC
30-yr fade + 50-yr lifetime on AZEK PVC, 30-yr on Edge Prime+, lifetime structural on all lines

Get a precise TimberTech quote for Montana

Open the TimberTech Deck Calculator with MT pre-selected to dial in your exact size, board line, and railing choices.

FAQ — TimberTech in Montana

How much does a TimberTech deck cost in Montana?

In Montana, TimberTech decking costs $54-$134/sqft installed (national $42-$105/sqft × Montana's 1.28× labor multiplier). A typical 16×20 (320 sqft) TimberTech deck lands around $30,080. Mid-tier TimberTech Pro Legacy runs about $23,680 for the same scope.

Which TimberTech line is best for Montana's climate?

Montana's freeze-thaw cycles favor PVC over composite where budget allows. TimberTech AZEK Vintage works well in snow regions when properly fastened with the right expansion gap.

What's the permit fee for a TimberTech deck in Montana?

Montana permit fees typically run $218-$537 depending on jurisdiction and project value — most calculators use max(regional baseline $290, 1.2% of project value). MT permits $150-280. Frost depth 60″ in northern MT.

How deep do footings need to be for a TimberTech deck in Montana?

Montana's frost depth is approximately 60″. TimberTech doesn't change the footing requirement — that's IRC R403.1.4-driven by frost line. Use Sonotube 12-14″ to handle the deep footings. Verify with your local building department since AHJs sometimes require deeper depths than the state-published value.

Is TimberTech worth the money in Montana?

TimberTech vs PT pine over 25 years in Montana: PT pine = ~$38/sqft installed + ~$3/sqft/yr maintenance (stain/seal annually) = $118/sqft total. TimberTech mid-tier = $74/sqft installed + $0 maintenance = $74/sqft total. TimberTech typically wins the 25-yr TCO comparison by 20-40%, plus better resale value.

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