5/4x4 Tigerwood Tongue & Groove Siding board profile diagram
Siding

5/4x4 Tigerwood Tongue & Groove Siding

This 5/4x4 Tigerwood Tongue & Groove siding board offers unmatched exterior cladding longevity, backed by Tigerwood's 2,170 Janka hardness and a natural lifespan of up to 40+ years. The interlocking tongue and groove profile creates tight, seamless joints for exterior cladding and accent walls, with no visible fasteners on the finished surface. In stock and ships nationwide — order Tigerwood siding online or call 1-844-674-4455 for expert guidance.

5/4 x 4(1"×3.5" actual)[25.4mm × 88.9mm]
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SKU: TIGE-54X4-TG-SB-L1

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Durability and Aesthetic Elegance in Tongue-and-Groove Profile

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:1.70 lbs/LF
1' board:2 lbs

5/4x4 Tigerwood Tongue & Groove Siding — Complete Guide

Everything you need to know about t&g tigerwood siding

About 5/4x4 Tigerwood Tongue & Groove Siding

Tigerwood lumber, particularly in a 5/4x4 tongue-groove profile, presents an exceptional choice for exterior siding and cladding applications. Its dimensional stability and impressive weather resistance make it a long-lasting option for various climates. The tongue-and-groove design not only enhances the aesthetic appeal by providing clean, consistent lines and improved shadow lines but also facilitates a secure and efficient installation process, allowing for versatility in orientation, whether vertical or horizontal.

  • Exceptional dimensional stability under changing weather conditions
  • High resistance to rot and insects
  • Unique grain patterns and rich amber to deep reddish-brown colors
  • Improves aesthetic appeal and creates dynamic shadow lines
  • Ideal for both residential and commercial applications

Key Benefits

Exceptional Durability

Tigerwood exhibits high resistance to rot and insect attacks, making it ideal for exterior siding applications.

Aesthetic Versatility

The unique grain patterns and color variations elevate the overall design of any exterior project, while the tongue-groove profile enhances shadow and light play.

Weather Resistant

With inherent properties that protect it against moisture and UV damage, Tigerwood maintains its beauty and functionality for years.

Technical Specifications

Janka Hardness

2160

Density

920 kg/m³

Durability Rating

Class 1 to 2 (very durable)

Dimensional Stability

Highly stable, negligible shrinkage rates

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper ventilation behind the siding to prevent moisture buildup.
  • Leave adequate spacing between boards for expansion and contraction.
  • Use corrosion-resistant fasteners to secure the boards.

Recommended Tools:

Circular saw
Measuring tape
Drill
Level

Maintenance & Care

Cleaning

Regularly clean the surface with a mild detergent and soft brush to remove dirt and debris.

Finishing

Reapply protective finishes every 2-3 years to enhance longevity and appearance.

Weathering

Tigerwood undergoes natural weathering that can lead to a beautiful silvery-gray patina, maintained with proper care.

Frequently Asked Questions

A 5/4x4 Tigerwood board weighs approximately 1.70 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 siding 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 5/4x4 Tigerwood board has actual finished dimensions of 1" × 3.5" (25.4 x 88.9 mm). The "5/4x4" 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 (1" × 3.5") 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