Explore Our Extensive Decking Collection
From standard sizes to custom options for stairs, benches, and handrails, find everything you need to create your perfect outdoor space
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Decking & Accessories
Enhance Your Outdoor Space with High-Quality Decking Solutions
At Mason’s Mill & Lumber Co., we’re proud to offer one of the most comprehensive selections of high-quality decking products in the state.
Whether you’re designing a new deck or enhancing an existing one, we provide a variety of options to suit your project. Our hardwood selections include Ipe, Garapa, and Cumaru from South America, known for their durability and natural beauty.
For those looking for advanced solutions, we distribute a wide range of modified woods that are recognized for their exceptional resilience and performance compared to traditional treated or tropical wood. These brands include Thermory, Accoya and Kebony. Industry leading composite and pvc decking options from Timbertech, Deckorators, and Modern Mill Acre are also available.
Beyond standard decking sizes, we also offer larger dimensions for stairs, benches, and handrails to help you create a cohesive look.
Thermory® Benchmark Ash Decking No Groove
Thermory® Benchmark Ash decking is exceptionally durable and dimensionally stable with deep, rich color. Thermory® Benchmark Ash Decking is your timeless, stunning, long-lasting, barefoot-friendly, installs-in-a-breeze, real wood dream deck. The Thermory® process modifies each board completely through heat and steam, all the way to the core, leading to unequalled durability and stability without sacrificing the natural qualities of real wood.
This Thermory® Benchmark Ash Decking is not grooved, but is Joint End Matched (JEM), which is a machined structural end match that connects boards so you don't need to finish decking on a joist.
• 7% moisture content
• Smooth milling
• Minimal splintering, twisting, warping, cracking
• 25+ Year Rot Resistance
Categories:
Decking,Green Building Materials,Flooring,Hardwood,Thermory®
Sub-Categories:
Brand:
Thermory®
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_______Ash 1 x 4
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6499-5ft - (1 x 4 x 5') no groove JEM
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6499-6ft - (1 x 4 x 6') no groove JEM
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6499-7ft - (1 x 4 x 7') no groove JEM
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6499-8ft - (1 x 4 x 8') no groove JEM
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6499-9ft - (1 x 4 x 9') no groove JEM
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6499-10ft - (1 x 4 x 10') no groove JEM
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6499-11ft - (1 x 4 x 11') no groove JEM
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6499-12ft - (1 x 4 x 12') no groove JEM
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6499-13ft - (1 x 4 x 13') no groove JEM
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6499-14ft - (1 x 4 x 14') no groove JEM
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_______Ash 1 x 6 STANDARD
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6502-5ft - (1 x 6 x 5') no groove JEM
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6502-6ft - (1 x 6 x 6') no groove JEM
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6502-7ft - (1 x 6 x 7') no groove JEM
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6502-8ft - (1 x 6 x 8') no groove JEM
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6502-9ft - (1 x 6 x 9') no groove JEM
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6502-10ft - (1 x 6 x 10') no groove JEM
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6502-11ft - (1 x 6 x 11') no groove JEM
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6502-12ft - (1 x 6 x 12') no groove JEM
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6502-13ft - (1 x 6 x 13') no groove JEM
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6502-14ft - (1 x 6 x 14') no groove JEM
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6502-15ft - (1 x 6 x 15') no groove JEM
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6502-16ft - (1 x 6 x 16') no groove JEM
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___________Ash 1 x 6 MAX
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6504-15ft - (1 x 6 x 15') no groove JEM
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_______Ash 5/4 x 4
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6559-6ft - (5/4 x 4 x 6') no groove JEM
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6559-7ft - (5/4 x 4 x 7') no groove JEM
Item#:
6559-8ft - (5/4 x 4 x 8') no groove JEM
Item#:
6559-10ft - (5/4 x 4 x 10') no groove JEM
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6559-12ft - (5/4 x 4 x 12') no groove JEM
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6559-13ft - (5/4 x 4 x 13') no groove JEM
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_______Ash 5/4 x 5 ft
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6505-5ft - (5/4 x 5 x 5') no groove JEM
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6505-6ft - (5/4 x 5 x 6') no groove JEM
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6505-7ft - (5/4 x 5 x 7') no groove JEM
Item#:
6505-8ft - (5/4 x 5 x 8') no groove JEM
Item#:
6505-9ft - (5/4 x 5 x 9') no groove JEM
Item#:
6505-10ft - (5/4 x 5 x 10') no groove JEM
Item#:
_______Ash 5/4 x 6 STANDARD
Item#:
6509-5ft - (5/4 x 6 x 5') no groove JEM
Item#:
6509-6ft - (5/4 x 6 x 6') no groove JEM
Item#:
6509-7ft - (5/4 x 6 x 7') no groove JEM
Item#:
6509-8ft - (5/4 x 6 x 8') no groove JEM
Item#:
6509-9ft - (5/4 x 6 x 9') no groove JEM
Item#:
6509-10ft - (5/4 x 6 x 10') no groove JEM
Item#:
6509-11ft - (5/4 x 6 x 11') no groove JEM
Item#:
6509-12ft - (5/4 x 6 x 12') no groove JEM
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_______Ash 5/4 x 6 MAX
Item#:
6562-7ft - (5/4 x 6 x 7') no groove JEM
Item#:
6562-8ft - (5/4 x 6 x 8') no groove JEM
Item#:
6562-9ft - (5/4 x 6 x 9') no groove JEM
Item#:
6562-10ft - (5/4 x 6 x 10') no groove JEM
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Family owned & operated since 1989, Specializing in Custom Architectural Millwork, Green Building Materials, Hardwood Lumber Products, Plywood, Decking & Hardware.