AZEK Deck Cost in Montana
A AZEK deck in Montana costs $70-$154/sqft installed with the state's 1.28× labor multiplier (West). AZEK is the cellular-PVC premium brand (now part of TimberTech but sold under the AZEK name). 100% PVC core (no wood content) — termite + mold proof, scratch-resistant cap, lowest CTE of any major brand. Top of the deck-board pyramid. Montana labor 1.28× national. Frost depth among the deepest in the US — footing cost dominates.
AZEK cost by deck size in Montana
Mid-tier AZEK (AZEK Vintage Mahogany) at Montana's 1.28× labor multiplier — ~$92/sqft installed.
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.
AZEK product lines in Montana
AZEK installed cost ranges from $55/sqft (Vintage Coastline on standard framing) to $120/sqft (Harvest Slate Gray on premium engineered framing with PVC railing). PVC is the priciest mainstream deck-board option but has the longest warranty + lowest maintenance.
Montana-specific notes
Get a precise AZEK quote for Montana
Open the AZEK Deck Calculator with MT pre-selected to dial in your exact size, board line, and railing choices.
FAQ — AZEK in Montana
How much does a AZEK deck cost in Montana?▾
In Montana, AZEK decking costs $70-$154/sqft installed (national $55-$120/sqft × Montana's 1.28× labor multiplier). A typical 16×20 (320 sqft) AZEK deck lands around $35,840. Mid-tier AZEK Vintage Mahogany runs about $29,440 for the same scope.
Which AZEK line is best for Montana's climate?▾
Montana's freeze-thaw cycles favor PVC over composite where budget allows. AZEK PVC is the top performer for snow regions — no swelling/contracting from freeze-thaw.
What's the permit fee for a AZEK 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 AZEK deck in Montana?▾
Montana's frost depth is approximately 60″. AZEK 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 AZEK worth the money in Montana?▾
AZEK vs PT pine over 25 years in Montana: PT pine = ~$38/sqft installed + ~$3/sqft/yr maintenance (stain/seal annually) = $118/sqft total. AZEK mid-tier = $92/sqft installed + $0 maintenance = $92/sqft total. AZEK typically wins the 25-yr TCO comparison by 20-40%, plus better resale value.