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

5/4x4 Tigerwood Tongue & Groove Siding

This 5/4x4 Tigerwood siding board (Tongue & Groove profile) offers unmatched exterior cladding longevity, backed by Tigerwood's 2,160 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 5/4x4 Tigerwood siding boards 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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Select profile, grade, and length below to see live pricing

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:1.7 lbs

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

Tigerwood, also known as Goncalo Alves, is a premium tropical hardwood sourced from Tropical Central and South America (Brazil, Colombia, Venezuela). With a Janka hardness rating of 2,160 lbf and a density of 58 lbs/ft³, Tigerwood is classified as Class 2 - Durable — one of the most durable commercial lumber species available. The heartwood exhibits golden to reddish-brown with dramatic dark brown to black stripes with interlocked to wavy grain, medium texture, creating a striking natural appearance that improves with age.

Why Choose 5/4x4 Tigerwood Wood for Your Siding?

As exterior cladding, Tigerwood siding provides a weather-tight barrier with exceptional impact resistance. The dense grain resists dents, hail damage, and woodpecker damage far better than cedar, pine, or fiber cement alternatives. Properly installed 5/4x4 Tigerwood siding delivers a service life of 40+ years with minimal maintenance — an optional annual oil treatment preserves the original color, or you can let the Tigerwood wood weather to a distinguished silver-gray patina. Tigerwood carries a Class A - Low flame spread, making it suitable for wildfire-prone regions where code-compliant materials are required.

The 5/4x4 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 Tigerwood lumber is available in Select and Better grade with lengths ranging from 4′ to 20′. For detailed step-by-step instructions, consult our Tigerwood installation guide. Long-term care recommendations are covered in our Tigerwood maintenance guide.

5/4x4 Tigerwood Siding — Installation & Coverage Specs

  • Recommended joist spacing: 16"–24" on center for 5/4x4 boards (1" actual thickness)
  • Fastener placement: Secure per profile requirements, one fastener per joist minimum
  • Board weight: A 12-foot 5/4x4 Tigerwood board weighs approximately 17 lbs (1.41 lbs/LF)
  • Coverage: Each 12-foot 5/4x4 board covers 3.5 sq ft of siding surface (3.5" face width)
  • Pre-drilling required: Always pre-drill in Tigerwood — the 2,160 lbf hardness prevents direct screwing

Janka Hardness

2,160 lbf

Service Life

40+ years

Durability

Durable

Fire Rating

Class A

5/4x4 Tigerwood Siding — Frequently Asked Questions

5/4x4 Tigerwood siding has an expected service life of 40+ years when properly installed and maintained. This is 3-5x longer than pressure-treated pine and 2-3x longer than cedar. Tigerwood achieves this exceptional longevity through its natural density (Janka hardness: 2,160 lbf) and Class 1 durability rating, which provide built-in resistance to rot, decay, insects, and fungal growth — all without chemical preservatives.

5/4x4 tongue & groove Tigerwood 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 Tigerwood to prevent splitting. T&G Tigerwood should only be used in covered or semi-protected areas.

5/4x4 Tigerwood siding pricing varies by profile, grade, and board length. 5/4x4 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, Tigerwood's 40+ 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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