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Soffit

1x4 Jatoba Shiplap Soffit

This 1x4 Jatoba soffit board (Shiplap profile) combines the rich grain of Jatoba (Brazilian Cherry) with 2,350 Janka hardness, making it ideal for exposed eave linings and covered ceilings that endure for decades. The overlapping shiplap profile sheds water naturally and creates a classic, weather-resistant look for eave linings, ceilings, and covered areas. In stock and ships nationwide — order 1x4 Jatoba soffit boards online or call 1-844-674-4455 for expert guidance.

1 x 4(0.75"×3.5" actual)[19.0mm × 88.9mm]
Contractor Trusted
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Ships Nationwide
SKU: JATO-1X4-SHIP-SB-L1

Configure Your Order

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

Architectural grade Brazilian Cherry for high-performance exterior soffit applications.

Shiplap

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:1.28 lbs/LF
1' board:1.3 lbs

1x4 Jatoba Shiplap Soffit — Complete Guide

Everything you need to know about shiplap jatoba soffit

About 1x4 Jatoba Shiplap Soffit

Jatoba, often referred to as Brazilian Cherry, provides an exceptional balance of strength and aesthetic appeal for exterior soffit systems. Its inherent density and natural resistance to biological decay make it a superior choice for roof overhangs and porch ceilings. The shiplap profile facilitates a clean, uniform aesthetic while allowing for necessary movement and seamless transitions across large spans.

  • High dimensional stability ensures minimal movement in overhead environments.
  • Shiplap profile creates a clean, architectural finish with hidden fastener potential.
  • Natural resistance to moisture, rot, and insect penetration.
  • Uniform grain structure contributes to a refined, high-end appearance.

Key Benefits

Exceptional Hardness

With a Janka rating of 2350, Jatoba offers superior impact resistance and structural integrity compared to softer domestic species.

Natural Resistance

The wood contains natural oils that provide inherent protection against fungal decay, termites, and wood-boring beetles.

Aesthetic Consistency

The rich, deep reddish-brown tones and interlocked grain offer a high-end visual appeal that matures gracefully over time.

Technical Specifications

Janka Hardness

2350

Density

Approx. 910 kg/m3

Durability Rating

Class 1 (Highly durable)

Dimensional Stability

Excellent stability when properly acclimated

Installation Guide

Difficulty:
Professional/Advanced

Key Tips:

  • Allow for proper acclimation on-site for at least 48-72 hours before installation.
  • Pre-drill all fastener holes to prevent splitting due to the wood's extreme density.
  • Maintain a 1/8 inch gap for expansion if local climate conditions require it.
  • Ensure proper ventilation behind the shiplap to prevent moisture entrapment.

Recommended Tools:

Carbide-tipped saw blades
Pneumatic finish nailer (with stainless steel fasteners)
High-torque drill for pre-drilling
Miter saw

Maintenance & Care

Cleaning

Periodic washing with mild soap and water is recommended to remove dirt and surface debris. Avoid high-pressure washing.

Finishing

Apply a high-quality, UV-inhibiting penetrating oil finish to maintain the original color or allow to weather naturally to a silvery-gray.

Weathering

Jatoba will gradually patina to a muted gray if left untreated; frequent re-oiling is required to preserve the natural red coloration.

1x4 Jatoba Shiplap Soffit — Frequently Asked Questions

A 1x4 Jatoba board weighs approximately 1.28 lbs per linear foot. Jatoba has a density of about 57 lbs/ft³, making it one of the densest commercially available hardwoods. A 12-foot 1x4 Jatoba board weighs approximately 12 lbs. Always factor weight into your structural and shipping calculations.

1x4 Jatoba soffit has an expected service life of up to 40+ years when properly installed. This is 3-5× longer than pressure-treated pine and 2-3× longer than cedar. Jatoba achieves this exceptional longevity through its 2,350 Janka hardness and Class 1 durability rating, providing built-in resistance to rot, decay, insects, and fungal growth without chemical preservatives.

1x4 Jatoba 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, Jatoba's up to 40+-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 — 1x4 Jatoba wood soffit outperforms composite in hardness (2,350 vs ~200 Janka), lifespan (up to 40+ years vs 25-30 years), and heat resistance. Unlike composites, Jatoba won't melt, warp in extreme heat, or fade significantly. While initial cost is similar ($8-15/LF installed), Jatoba wood decking costs less over its much longer lifetime. Composites do offer lower upfront maintenance, but Jatoba's natural beauty and durability make it the superior long-term investment.

Jatoba is widely considered one of the best woods for 1x4 soffit boards. With a 2,350 Janka hardness rating, Class A fire-rated certification, and up to 40+-year lifespan, Jatoba (Brazilian Cherry) outperforms nearly every other commercially available wood species. Other excellent options include Cumaru (Brazilian Teak) and Massaranduba (Brazilian Redwood), but Jatoba remains the industry benchmark for premium outdoor hardwood applications.

Jatoba 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.

Jatoba is DIY-friendly with proper preparation. Key requirements: (1) Always pre-drill all screw holes — Jatoba 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 1x4 Jatoba board has actual finished dimensions of 0.75" × 3.5" (19.0 x 88.9 mm). The "1x4" 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" × 3.5") when calculating material quantities and coverage for your project.

We responsibly, legally, and ethically source all our Jatoba. We work only with suppliers who follow responsible forestry practices with full chain-of-custody transparency. Jatoba 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

1x4 Jatoba Shiplap Soffit — Complete Buyer's Guide

Jatoba is a premium tropical hardwood sourced from Central & South America (Brazil, Peru, Bolivia). With a Janka hardness rating of 2,350 lbf and a density of approximately 60 lbs/ft³, Jatoba is classified as Class 1-2 - Durable — one of the most durable commercial lumber species available.

Why Choose 1x4 Jatoba Wood for Your Soffit?

Jatoba 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 1x4 Jatoba soffit delivers a service life of 40+ years with minimal maintenance — an optional annual oil treatment preserves the original color, or you can let the Jatoba wood weather to a distinguished silver-gray patina. Jatoba carries a Class A - Low flame spread, making it suitable for wildfire-prone regions where code-compliant materials are required.

The 1x4 shiplap profile creates an overlapping joint with a distinctive shadow line between boards. Popular for siding, accent walls, and architectural cladding applications. All Jatoba lumber is available in Select and Better grade with lengths ranging from 4′ to 20′.

1x4 Jatoba Soffit — Installation & Coverage Specs

  • Recommended joist spacing: 16" on center for 1x4 boards (0.75" actual thickness)
  • Fastener placement: Secure per profile requirements, one fastener per joist minimum
  • Board weight: A 12-foot 1x4 Jatoba board weighs approximately 12 lbs (1.04 lbs/LF)
  • Coverage: Each 12-foot 1x4 board covers 3.5 sq ft of soffit surface (3.5" face width)
  • Pre-drilling required: Always pre-drill in Jatoba — the 2,350 lbf hardness prevents direct screwing

Janka Hardness

2,350 lbf

Service Life

40+ years

Durability

Class 1-2 - Durable

Fire Rating

Class A

Related Jatoba Products & Resources

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