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Thermally-Modified Wood
Surfaces
INTERIOR WALLS
1. THERMO-TREATED FLUTED DESIGN
Thickness
15/16 in.
Length
8 feet and 6 feet
Width
5.25 in. (5 in. net coverage)
Coverage
10 SF = 3 boards of 8', or 4 boards of 6'
Profile
Triple Shadow
31 reviews
THERMO-TREATED FLUTED DESIGN
In stock and ready to ship
Thermo-treated Ash
100% Green
The deepest shadow profile on the market
No warping, splitting, or swelling
Naturally durable for 25 years
Estimated shipping time: 2-4 days
PRODUCT OPTIONS:
Dark Ash
8' or 6' length
Light Ash
8' or 6' length
Related Products:
NOTES:
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This is a real wood product, so coloring, texture, and shading may vary from board to board.
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We recommend adding 10% to account for waste when calculating coverage requirements.
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Sold by 10 SF Feet Sets.
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In the Order: at least 70-80% of 8' boards and 20-30% of 6' boards.
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If you have specific requirements for length proportion, please let us know in the Notes at checkout.
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Orders under 50 SF will be shipped in 6' length by parcel service with UPS.
CUSTOMERS LOVE OUR THERMO-TREATED FLUTED SIDING
Average Customer Rating 4.9/5
Tommy L.
The Triple Shadow Ash siding is a sublime symphony of shadows. The black-painted grooves create a visual harmony that's both subtle and profound, turning my home into a masterpiece of elegance.
Helen J.
Chic shadowplay takes center stage with fluted Ash siding. The black-painted grooves are a chic touch that adds a layer of sophistication, turning my home into a style icon.
Steven M.
Choosing thermo-treated Ash siding was a stress-free upgrade. The installation team's expertise made the process seamless. The lightweight yet durable planks transformed my home's exterior. It's been a stress-free ownership experience—a beautiful facade that doesn't demand constant attention.
WHAT MAKES THERMO-TREATED ASH FLITED SIDING SO SPECIAL?
Premium Thermally Modified Triple Shadow Siding is durable for 25 years due to the thermo-treatment process. The uniqueness of our Triple Shadow Ash profile is that we apply black painting on three sides of each groove, creating depth. Also, the grooving on the surface is the deepest on the market - the grooves are almost 5/8" deep, and the total board's thickness is 15/16".
We use Clear Premium Grade Ash, which is also covered with a UV protection oil (Hard Wax Oil) on all four sides.
Currently, our thermo-treated Triple Shadow Ash Siding is the best quality product on the market and superior to all existing siding products in this segment.
Dark Ash
ADVANTAGES OF THERMO-TREATMENT FOR TRIPLE SHADOW ASH SIDING
Essential Durability
Thermo treatment is a chemical-free process resulting in unmatched durability and natural resistance to termites and pests.
Lowest Maintenance
The improved dimensional stability allows for extended maintenance intervals compared to other wood products.
Repels Moisture
Thermally-treated wood naturally repels moisture to prevent the wood's warping, shrinking, and swelling.
Class B Fire Rating
Reduced combustibility due to thermo-treatment.
Exotic wood look
The brown color is consistent beyond the surface.
Compare Light and Dark Ash
ADVANTAGES OF FACORY OILING
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Makes product ready to use;
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Prevents fading of color under sunlight;
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Prevents seasonal surface checking;
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It makes wood grain sound and attractive;
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Our free FOUR side oiling saves you $2-4/SF, which contractors usually charge for ONE-side surface oiling on site; oiling of the back side is extremely important to increase the lifetime and performance of your siding.
VIEW OUR RECENTLY COMPLETED CLIENT PROJECTS
INSTALLATION TIPS
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Cut it, sand it, nail it, drill it, paint or stain it as you would practically any standard-grade lumber, using the same standard tools.
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Take into consideration, that thermo-treated wood is drier (4% EMC), lighter in weight, and a little more brittle than non-treated wood.
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Install wood siding with finishing nails on the tongue and through the face when needed
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Saw speed will have an effect on the cut quality; generally, the higher the saw power, the better the cut quality.
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A high-quality sealant with UV protection should be used after the first one to two years.
Download our Installation Instructions here
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