1x6 Tigerwood Tongue & Groove Soffit board profile diagram
Soffit

1x6 Tigerwood Tongue & Groove Soffit

This 1x6 Tigerwood Tongue & Groove soffit board combines the rich grain of Tigerwood (Goncalo Alves) with 2,170 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 Tigerwood soffit 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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SKU: TIGE-1X6-TG-SB-L1

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Durable, Aesthetically Pleasing, and Engineered for Performance

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 lbs

1x6 Tigerwood Tongue & Groove Soffit — Complete Guide

Everything you need to know about t&g tigerwood soffit

About 1x6 Tigerwood Tongue & Groove Soffit

Tigerwood lumber in a 1x6 tongue-groove profile is an exceptional choice for soffit applications, combining aesthetic appeal with unparalleled performance. Known for its stability and moisture resistance, tigerwood enables architects and builders to achieve a clean-lined finish that offers both ventilation compatibility and visual sophistication.

  • Moisture-resistant properties ideal for exterior applications
  • Tongue-groove profile ensures tight seams for enhanced ventilation and aesthetic appeal
  • Dimensional stability minimizes warping and twisting over time

Key Benefits

Resistance to Environmental Factors

Tigerwood's density and natural oils afford it significant resistance to rot and insects, making it an ideal choice for extended outdoor use.

Aesthetic Versatility

The unique grain patterns and color variations add a striking visual element to any installation, enhancing the overall architectural design of a building.

Low Maintenance Requirements

Due to its inherent properties, tigerwood requires minimal upkeep while providing long-lasting performance, particularly in overhead installations.

Technical Specifications

Janka Hardness

2160

Density

Density varies; typically ranges from 38-42 lbs/ft³

Durability Rating

Highly durable, naturally resistant to rot and insect damage

Dimensional Stability

Excellent dimensional stability under varying humidity conditions

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Use stainless steel or galvanized screws for fastening to prevent rusting
  • Allow for expansion spacing of 1/8" between boards to accommodate temperature and humidity fluctuations
  • Ensure proper ventilation to prevent moisture build-up in soffit spaces

Recommended Tools:

Miter saw for precise cutting
Drill for fastening screws
Measuring tape for accurate spacing

Maintenance & Care

Cleaning

Regularly clean with a mild soap solution and rinse with water; avoid harsh chemicals that may damage the wood finish.

Finishing

Consider applying an exterior grade UV-protective finish to preserve color and reduce fading over time.

Weathering

Expect some color change over time; maintain the finish for optimal performance and appearance.

Frequently Asked Questions

A 1x6 Tigerwood board weighs approximately 2.01 lbs per linear foot. Tigerwood has a density of about 50-60 lbs/ft³, making it one of the densest commercially available hardwoods. Always factor weight into your structural and shipping calculations.

Yes — Tigerwood is rated Durability Class 1 (Very Durable) and is naturally resistant to rot, decay, insects, and fungal attack without chemical treatment. It is naturally durable and performs exceptionally well in full exterior exposure including soffit applications. While ground contact is possible, we recommend elevating Tigerwood boards at least 6" above grade for maximum lifespan.

Tigerwood outperforms composite in hardness (2,170 vs ~200 Janka), lifespan (up to 40+ years vs 25-30 years), and heat resistance. Unlike composites, Tigerwood won't melt, warp in extreme heat, or fade significantly. While initial cost is similar ($8-15/LF installed), Tigerwood costs less over its much longer lifetime. Composites do offer lower upfront maintenance.

Tigerwood 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.

Tigerwood is DIY-friendly with proper preparation. Key requirements: (1) Always pre-drill all screw holes — Tigerwood 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 Tigerwood 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 Tigerwood. We work only with suppliers who follow responsible forestry practices with full chain-of-custody transparency. Note: We are not FSC certified. Tigerwood trees grow naturally in diverse tropical forests and regenerate well under managed harvest. The extremely long lifespan (up to 40+ 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