SKU: 21967978060

1/4" Cove Cut Solid Wood Tongue and Grove Tambour Panel, 11/16" thick x 4 5/16"width x 112"long

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Description

1/4" Cove Cut Solid Wood Tongue and Grove Tambour Panel, 11/16" thick x 4 5/16"width x 112"longWhite River Hardwoods Solid Wood Paneling 1 4 Cove Cut Solid Wood Paneling SKU SWP402POP 5 Species Made to Order Solid Hardwood Tongue & Groove Does Not Flex Made in the USA The finest cove cut profile in solid tongue and groove hardwood. At 1 4", the concave cut creates an exceptionally dense shadow pattern across walls and ceilings 11 16 thick, 4 5 16 wide, 112 long. Proudly Made in the USA from Premium North American Hardwoods At 1 4", the cove cut

White River Hardwoods · Solid Wood Paneling

1/4″ Cove-Cut Solid Wood Paneling

SKU SWP402POP · 5 Species · Made to Order

Solid Hardwood · Tongue & Groove · Does Not Flex · Made in the USA


The finest cove-cut profile in solid tongue and groove hardwood. At 1/4", the concave cut creates an exceptionally dense shadow pattern across walls and ceilings — 11/16″ thick, 4 5/16″ wide, 112″ long.

Proudly Made in the USA from Premium North American Hardwoods

At 1/4", the cove-cut creates the most intricate shadow pattern in the SWP lineup — a surface that shifts beautifully with changing light.

Available Options

Species & SKUs

SKU Species Dimensions Min. Order
SWP402POP Poplar 11/16″ × 4 5/16″ × 112″ 21 Pieces
SWP402MA Maple 11/16″ × 4 5/16″ × 112″ 21 Pieces
SWP402RO Red Oak 11/16″ × 4 5/16″ × 112″ 21 Pieces
SWP402WO White Oak 11/16″ × 4 5/16″ × 112″ 21 Pieces

* Pricing is per 112″ length. Minimum order of 21 pieces per species. Made to order — standard lead time 2–3 weeks. Contact White River Hardwoods for larger quantities or project quotes.

Why Solid Wood Paneling

The SWP Difference

▬

1/4″ Cove-Cut Profile

The concave cove cut at 1/4" creates a densely rhythmic shadow pattern — one of the most detailed profiles in the SWP collection. The fine pitch rewards close inspection while reading as rich texture from across the room.

↔

Pairs with Tambour

Every SWP profile corresponds directly to a Tambour variant. Mixing flat walls with curved surfaces in the same space? Run SWP on the flat sections and Tambour on the curves — same profile, same species, same finish. Seamless.

🌲

5 Species Available

Choose from Poplar, Red Oak, Maple, Walnut, and White Oak — all premium North American hardwoods. Poplar takes paint beautifully and is our most economical species. Oak, Maple, Walnut, and White Oak are ideal for stained applications.

🎨

Finish Your Way

Panels arrive sanded and ready for staining or painting. Pre-finishing the back face before installation is recommended — it equalizes moisture absorption and reduces the risk of cupping over time.

Technical Specifications

Key Facts

Profile

1/4″ Cove-Cut

Construction

Tongue & Groove

Backing

Solid — No Flex

Thickness

11/16″

Width

4 5/16″

Length

112″

Min. Order

21 Pieces

Lead Time

2–3 Weeks

Use

Interior Only

Before You Install

Storage, Handling & Acclimation

Acclimate First — Always

On receipt, store flat in a controlled interior environment. Allow a minimum of 48 hours to acclimate before finishing or installing. Stack with spacers between planks for air circulation. Solid tongue and groove panels are sensitive to moisture — acclimation ensures dimensional stability and reduces the risk of gapping or cupping after install.

Interior Use Only — Does Not Flex

SWP panels are solid hardwood tongue and groove — they will not bend around curves or corners. For curved surfaces, use the corresponding Tambour flexible panel in the same profile. SWP is not suitable for wet or high-humidity environments.

Installation

Step by Step

1

Prep the Surface

Wall or substrate must be clean, flat, dry, and structurally sound. Tongue and groove panels require a solid, even substrate — check for high and low spots before you start.

2

Acclimate — 48 Hours Minimum

Never skip acclimation. Stack planks with spacers in the installation room for at least 48 hours. Check moisture content if a meter is available — target 6–9% MC.

3

Pre-Finish the Back (Recommended)

Apply a sealer coat to the back face before installation. This equalizes moisture absorption on both faces and significantly reduces the risk of cupping — especially important for painted applications.

4

Apply Adhesive & Nail

Use a quality construction adhesive in continuous beads — perimeter first, then horizontal runs every 6″. Supplement with 15- or 16-gauge finish nails or brad nails through the tongue at each framing member.

5

Leave Expansion Gaps

Leave 1/16″ between adjacent planks and a 1/8″ gap at all perimeter edges. Solid wood moves across the grain seasonally — these gaps are not optional.

6

Finish After Install

Fill nail holes, sand lightly across all planks, then apply your chosen stain, paint, or clear finish. Apply in thin, even coats and allow full dry time between coats.

Installer Advice

Pro Tips

Check Your Moisture

High MC at install means shrinkage gaps later. Low MC means potential swelling and buckling. Target 6–9% before you nail anything down — a moisture meter is cheap insurance on a custom hardwood install.

Mix Planks from Multiple Bundles

Natural hardwood varies in color and grain. Pulling from several bundles and mixing planks as you work prevents banding — where one bundle's color is concentrated in one area of the wall.

Combine with Tambour on Curves

SWP on flat surfaces, Tambour on curved or radius surfaces — same profile, same species, same finish. Plan your layout before you start so the two materials meet cleanly at the transition.

Made to Order — Lead Time & Minimums

SWP panels are made to order in your chosen species. Standard lead time is 2–3 weeks from order confirmation. Minimum order is 21 pieces per species. For larger quantities, custom lengths, or project-specific requirements, contact White River Hardwoods for a tailored quote and timeline.

The 1/4″ Cove-Cut SWP — solid tongue and groove hardwood, 11/16″ × 4 5/16″ × 112″, made in the USA.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21967978060

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4.7 ★★★★★
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O
Verified Purchase
O. miller
Port Orchard, US
★★★★★ 5
Grill kit for bmw
Very easy to install snapped right in. Perfect . Would highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2019
M
Verified Purchase
matthew palen
Lexington, US
★★★★★ 1
Buy OEM
Finish is fine but sizing is wrong and these don't fit tight but rattle. About 3/4" movement in all ways, which will lead to scratched paint. If you've got a beater, these are fine but for my clean M3, I'll buy OEM from FCP or Turner.
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Reviewed in the United States on June 15, 2024
B
Verified Purchase
Brown, Dwayne
Chelsea, US
★★★★★ 5
Great
Convenience
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Reviewed in the United States on August 18, 2020
S
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Scott M
Natrona Heights, US
★★★★★ 5
True OEM replacement
Style: BE-151P 1-Pack
True OEM replacement for the cabin air filter of my 2016 Hyundai Sonata SE. It fit perfectly and was the same quality and size as the one previous installed. Installation took less than 2 minutes. Way better value than the ones the dealership or oil change want to sell you. I will definitely buy this again.
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Reviewed in the United States on April 26, 2026
R
Verified Purchase
Ryan I
West Palm Beach, US
★★★★★ 5
Fit Perfectly
Style: BE-776P 1-Pack
It's a cabin filter that fit perfectly in my car. Air moves through the filter like it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026

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