1x6 Ipe Tongue & Groove Soffit board profile diagram
Soffit

1x6 Ipe Tongue & Groove Soffit

This 1x6 Ipe soffit board (Tongue & Groove profile) combines the rich grain of Ipe (Brazilian Walnut) with 3,680 Janka hardness, making it ideal for exposed eave linings and covered ceilings that endure for decades. The interlocking tongue and groove profile creates tight, seamless joints for eave linings, ceilings, and covered areas, with no visible fasteners on the finished surface. In stock and ships nationwide — order 1x6 Ipe soffit boards online or call 1-844-674-4455 for expert guidance.

1 x 6(0.75"×5.5" actual)[19.0mm × 139.7mm]
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Ships Nationwide
SKU: IPE-1X6-TG-SB-L1

Configure Your Order

Select profile, grade, and length below to see live pricing

Durability Meets Aesthetic Excellence

T&G

Select and Better is our standard grade

Length Guide

Available lengths: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22′

Estimated Shipping Weight
Weight per linear foot:2.01 lbs/LF
1' board:2.0 lbs

1x6 Ipe T&G Soffit — Complete Guide

Everything you need to know about t&g ipe soffit

About 1x6 Ipe Tongue & Groove Soffit

Ipe lumber is an exceptional choice for soffit applications due to its outstanding durability, dimensional stability, and resistance to moisture exposure. The tongue-and-groove profile not only enhances the aesthetic appeal—providing clean lines and a seamless finish—but also facilitates proper ventilation, preventing moisture buildup that can lead to decay. As an ideal material for overhead installations, Ipe offers both functional benefits and a sophisticated look that elevates any architectural project.

  • Superior durability and resistance to weather elements
  • Tongue-and-groove profile ensures seamless appearance
  • Excellent dimensional stability under varying temperatures
  • Natural resistance to rot and insect damage

Key Benefits

Extreme Durability

Ipe is one of the most durable hardwoods available, resistant to both rot and insect damage, making it ideal for long-lasting applications in soffits.

Moisture Resistance

The tight grain structure of Ipe makes it inherently resistant to moisture, reducing the risk of warping or decay over time.

Aesthetic Appeal

The rich, dark color and fine grain pattern of Ipe add a touch of elegance, enhancing the overall appearance of any structure.

Low Maintenance

Ipe requires minimal upkeep compared to other materials, often maintaining its appearance and integrity with little intervention.

Technical Specifications

Janka Hardness

3680

Density

69 lbs/ft³

Durability Rating

Class A (excellent for exterior use)

Dimensional Stability

Stable, with minimal shrinkage or expansion

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper ventilation to prevent moisture buildup
  • Use appropriate fasteners that resist corrosion
  • Space boards to allow for natural expansion and contraction

Recommended Tools:

Miter saw for cutting to length
Drill for fastening
Venting installation guide for airflow management

Maintenance & Care

Cleaning

Regular cleaning with mild soap and water; avoid harsh chemicals that may damage the surface.

Finishing

If desired, apply a UV protectant oil to preserve the color and grain over time; reapply annually for best results.

Weathering

Over time, Ipe will weather to a silver-grey patina unless regularly treated with oil.

1x6 Ipe Tongue & Groove Soffit — Frequently Asked Questions

A 1x6 Ipe board weighs approximately 2.01 lbs per linear foot. Ipe has a density of about 69 lbs/ft³, making it one of the densest commercially available hardwoods. A 12-foot 1x6 Ipe board weighs approximately 24 lbs. Always factor weight into your structural and shipping calculations.

1x6 Ipe soffit has an expected service life of up to 75+ years when properly installed. This is 3-5× longer than pressure-treated pine and 2-3× longer than cedar. Ipe achieves this exceptional longevity through its 3,680 Janka hardness and Class 1 durability rating, providing built-in resistance to rot, decay, insects, and fungal growth without chemical preservatives.

1x6 Ipe soffit pricing varies by profile, grade, and board length. Select and Better grade boards typically range from $4-$12 per linear foot before shipping. While the upfront cost is higher than pressure-treated lumber, Ipe's up to 75+-year service life makes the lifetime cost per year significantly lower. Use the configurator above for exact pricing, or request a custom quote for large orders.

Yes — 1x6 Ipe wood soffit outperforms composite in hardness (3,680 vs ~200 Janka), lifespan (up to 75+ years vs 25-30 years), and heat resistance. Unlike composites, Ipe won't melt, warp in extreme heat, or fade significantly. While initial cost is similar ($8-15/LF installed), Ipe wood decking costs less over its much longer lifetime. Composites do offer lower upfront maintenance, but Ipe's natural beauty and durability make it the superior long-term investment.

Ipe is widely considered one of the best woods for 1x6 soffit boards. With a 3,680 Janka hardness rating, Class A fire-rated certification, and up to 75+-year lifespan, Ipe (Brazilian Walnut) outperforms nearly every other commercially available wood species. Other excellent options include Cumaru (Brazilian Teak) and Massaranduba (Brazilian Redwood), but Ipe remains the industry benchmark for premium outdoor hardwood applications.

Ipe requires minimal maintenance. Without treatment, it naturally weathers to an elegant silver-gray patina over 6-12 months. To maintain the original warm brown color, apply a UV-inhibiting penetrating oil (like Ipe Oil or Penofin) once or twice annually. Cleaning involves periodic washing with a mild soap solution. No sanding, staining, or sealing is required for structural durability.

Ipe is DIY-friendly with proper preparation. Key requirements: (1) Always pre-drill all screw holes — Ipe is too hard for direct screwing. (2) Use only 305 or 316 stainless steel fasteners — standard hardware will corrode and stain. (3) Face-screw with stainless steel trim-head screws. (4) Allow boards to acclimate on-site for 5-7 days before installation. A compound miter saw with a carbide-tipped blade is recommended.

A nominal 1x6 Ipe board has actual finished dimensions of 0.75" × 5.5" (19.0 x 139.7 mm). The "1x6" is the nominal (rough-cut) size — after kiln drying and precision surfacing, all hardwood lumber finishes slightly smaller. This is standard across the lumber industry, similar to how a nominal 2×4 softwood measures 1.5" × 3.5". Always use the actual dimensions (0.75" × 5.5") when calculating material quantities and coverage for your project.

We responsibly, legally, and ethically source all our Ipe. We work only with suppliers who follow responsible forestry practices with full chain-of-custody transparency. Note: We are not FSC certified. Ipe trees grow naturally in diverse tropical forests and regenerate well under managed harvest. The extremely long lifespan (up to 75+ years) means fewer replacements compared to softwood or composite alternatives, reducing long-term environmental impact.

Shipping & Delivery

Nationwide delivery: We ship to all 50 states via LTL freight, flatbed, or terminal pickup

Typical lead time: 5-10 business days for standard orders (custom milling may add 2-3 weeks)

Shipping estimate: Final freight cost calculated at checkout based on your location and order size

Rush service available: Contact us for expedited milling and shipping options

1x6 Ipe Tongue & Groove Soffit — Complete Buyer's Guide

Ipe, also known as Brazilian Walnut, is a premium tropical hardwood sourced from Central and South America (Brazil, Bolivia, Peru). With a Janka hardness rating of 3,680 lbf and a density of 69 lbs/ft³, Ipe is classified as Class 1 - Very Durable (Up to 75+ Years) — one of the most durable commercial lumber species available. The heartwood exhibits rich brown to olive-brown, darkening to reddish-brown with age with interlocked to irregular grain, fine to medium texture, creating a striking natural appearance that improves with age.

Why Choose 1x6 Ipe Wood for Your Soffit?

Ipe soffit and porch ceiling boards create a warm, premium overhead aesthetic that vinyl and aluminum simply cannot replicate. The natural grain pattern adds architectural character to any covered outdoor space. Properly installed 1x6 Ipe soffit delivers a service life of 75+ years with minimal maintenance — an optional annual oil treatment preserves the original color, or you can let the Ipe wood weather to a distinguished silver-gray patina. Ipe carries a Class A (0-25 flame spread), making it suitable for wildfire-prone regions where code-compliant materials are required.

The 1x6 tongue & groove (T&G) profile features interlocking edges that create a seamless, flush surface with no visible gaps. Ideal for porch ceilings, soffit installations, and covered porch floors. All Ipe lumber is available in Select and Better grade with lengths ranging from 4′ to 20′. For detailed step-by-step instructions, consult our Ipe installation guide. Long-term care recommendations are covered in our Ipe maintenance guide.

1x6 Ipe Soffit — Installation & Coverage Specs

  • Recommended joist spacing: 16" on center for 1x6 boards (0.75" actual thickness)
  • Fastener placement: Secure per profile requirements, one fastener per joist minimum
  • Board weight: A 12-foot 1x6 Ipe board weighs approximately 24 lbs (1.98 lbs/LF)
  • Coverage: Each 12-foot 1x6 board covers 5.5 sq ft of soffit surface (5.5" face width)
  • Pre-drilling required: Always pre-drill in Ipe — the 3,680 lbf hardness prevents direct screwing

Janka Hardness

3,680 lbf

Service Life

75+ years

Durability

Very Durable (Up to 75+ Years)

Fire Rating

Class A (0-25 flame spread)

1x6 Ipe Soffit — Frequently Asked Questions

1x6 Ipe soffit has an expected service life of 75+ years when properly installed and maintained. This is 3-5x longer than pressure-treated pine and 2-3x longer than cedar. Ipe achieves this exceptional longevity through its natural density (Janka hardness: 3,680 lbf) and Class 1 durability rating, which provide built-in resistance to rot, decay, insects, and fungal growth — all without chemical preservatives.

1x6 tongue & groove Ipe boards interlock via a milled tongue on one edge and a corresponding groove on the other. Secure each board by blind-nailing through the tongue at a 45° angle using stainless steel ring-shank nails or by face-screwing with countersunk stainless steel screws. Always pre-drill holes in Ipe to prevent splitting. T&G Ipe should only be used in covered or semi-protected areas.

1x6 Ipe soffit pricing varies by profile, grade, and board length. 1x6 Tongue & Groove boards in Select and Better grade typically range from $4-$12 per linear foot before shipping. While the upfront cost is higher than pressure-treated lumber, Ipe's 75+ years service life makes the lifetime cost per year significantly lower. Use our online configurator above to see exact pricing for your selected options, or request a custom quote for large orders.

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