1x4 Massaranduba Tongue & Groove Soffit board profile diagram
Soffit

1x4 Massaranduba Tongue & Groove Soffit

This 1x4 Massaranduba soffit board (Tongue & Groove profile) combines the rich grain of Massaranduba (Brazilian Redwood) with 3,190 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 1x4 Massaranduba soffit boards online or call 1-844-674-4455 for expert guidance.

1 x 4(0.75"×3.5" actual)[19.0mm × 88.9mm]
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Ships Nationwide
SKU: MASS-1X4-TG-SB-L1

Configure Your Order

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

Durable, Moisture-Resistant, and Dimensionally Stable.

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:1.28 lbs/LF
1' board:1.3 lbs

1x4 Massaranduba T&G Soffit — Complete Guide

Everything you need to know about t&g massaranduba soffit

About 1x4 Massaranduba Tongue & Groove Soffit

Massaranduba lumber, particularly in a tongue-groove profile, is an exceptional choice for soffit applications due to its superior dimensional stability and durability. This tropical hardwood is renowned for its resistance to moisture exposure, making it ideal for exterior overhead installations. The tongue-groove profile not only ensures seamless joints for a polished finish but also facilitates airflow, which is crucial for maintaining ventilation in soffit systems. The clean lines enhance the overall appearance of the architecture by providing an elegant and cohesive look.

  • Excellent moisture resistance for long-term performance
  • Tongue-groove design promotes ventilation compatibility
  • Aesthetically pleasing with clean lines and finishes
  • Dimensional stability that minimizes warping
  • High durability rating suitable for outdoor applications
  • Low maintenance requirements for ease of care

Key Benefits

Durability

Massaranduba's high density and Janka hardness contribute to its robustness, making it highly resistant to wear and tear in exterior conditions.

Moisture Resistance

The natural oils in Massaranduba offer excellent resistance to moisture, reducing the chance of rot and decay over time.

Aesthetic Appeal

The rich color variations and grain patterns of Massaranduba add visual interest to any soffit application, enhancing the architectural design.

Low Maintenance

This hardwood requires minimal upkeep while retaining its beauty, making it an efficient choice for homeowners and builders alike.

Technical Specifications

Janka Hardness

3190

Density

68 lbs/ft³

Durability Rating

Very High

Dimensional Stability

Superior stability in changing environmental conditions

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper spacing for expansion and contraction
  • Use corrosion-resistant fasteners to reduce the risk of rust
  • Install with a slight allowance for ventilation, especially in humid climates

Recommended Tools:

Torpedo level
Circular saw
Drill or screwdriver
Measuring tape

Maintenance & Care

Cleaning

Regularly clean the surface with mild soap and water to remove debris and prevent buildup.

Finishing

Consider applying a UV-resistant finish to maintain color and protect from the elements.

Weathering

Although Massaranduba is highly durable, it is recommended to inspect and maintain the surface finish bi-annually to ensure longevity.

1x4 Massaranduba Tongue & Groove Soffit — Frequently Asked Questions

A 1x4 Massaranduba board weighs approximately 1.28 lbs per linear foot. Massaranduba has a density of about 69 lbs/ft³, making it one of the densest commercially available hardwoods. A 12-foot 1x4 Massaranduba board weighs approximately 15 lbs. Always factor weight into your structural and shipping calculations.

1x4 Massaranduba soffit has an expected service life of up to 50+ years when properly installed. This is 3-5× longer than pressure-treated pine and 2-3× longer than cedar. Massaranduba achieves this exceptional longevity through its 3,190 Janka hardness and Class 1 durability rating, providing built-in resistance to rot, decay, insects, and fungal growth without chemical preservatives.

1x4 Massaranduba 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, Massaranduba's up to 50+-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 Massaranduba wood soffit outperforms composite in hardness (3,190 vs ~200 Janka), lifespan (up to 50+ years vs 25-30 years), and heat resistance. Unlike composites, Massaranduba won't melt, warp in extreme heat, or fade significantly. While initial cost is similar ($8-15/LF installed), Massaranduba wood decking costs less over its much longer lifetime. Composites do offer lower upfront maintenance, but Massaranduba's natural beauty and durability make it the superior long-term investment.

Massaranduba is widely considered one of the best woods for 1x4 soffit boards. With a 3,190 Janka hardness rating, Class A fire-rated certification, and up to 50+-year lifespan, Massaranduba (Brazilian Redwood) outperforms nearly every other commercially available wood species. Other excellent options include Cumaru (Brazilian Teak) and Massaranduba (Brazilian Redwood), but Massaranduba remains the industry benchmark for premium outdoor hardwood applications.

Massaranduba 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.

Massaranduba is DIY-friendly with proper preparation. Key requirements: (1) Always pre-drill all screw holes — Massaranduba 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 Massaranduba 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 Massaranduba. We work only with suppliers who follow responsible forestry practices with full chain-of-custody transparency. Note: We are not FSC certified. Massaranduba trees grow naturally in diverse tropical forests and regenerate well under managed harvest. The extremely long lifespan (up to 50+ 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 Massaranduba Tongue & Groove Soffit — Complete Buyer's Guide

Massaranduba, also known as Brazilian Redwood, is a premium tropical hardwood sourced from Northern South America (Brazil, Suriname, Venezuela). With a Janka hardness rating of 3,190 lbf and a density of 68 lbs/ft³, Massaranduba is classified as Class 1 - Very Durable — one of the most durable commercial lumber species available. The heartwood exhibits deep red to reddish-brown with straight to interlocked grain, fine to medium texture, creating a striking natural appearance that improves with age.

Why Choose 1x4 Massaranduba Wood for Your Soffit?

Massaranduba 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 Massaranduba soffit delivers a service life of 50+ years with minimal maintenance — an optional annual oil treatment preserves the original color, or you can let the Massaranduba wood weather to a distinguished silver-gray patina. Massaranduba carries a Class A - Low flame spread, making it suitable for wildfire-prone regions where code-compliant materials are required.

The 1x4 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 Massaranduba lumber is available in Select and Better grade with lengths ranging from 4′ to 20′. For detailed step-by-step instructions, consult our Massaranduba installation guide. Long-term care recommendations are covered in our Massaranduba maintenance guide.

1x4 Massaranduba 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 Massaranduba board weighs approximately 15 lbs (1.26 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 Massaranduba — the 3,190 lbf hardness prevents direct screwing

Janka Hardness

3,190 lbf

Service Life

50+ years

Durability

Very Durable

Fire Rating

Class A

1x4 Massaranduba Soffit — Frequently Asked Questions

1x4 Massaranduba soffit has an expected service life of 50+ years when properly installed and maintained. This is 3-5x longer than pressure-treated pine and 2-3x longer than cedar. Massaranduba achieves this exceptional longevity through its natural density (Janka hardness: 3,190 lbf) and Class 1 durability rating, which provide built-in resistance to rot, decay, insects, and fungal growth — all without chemical preservatives.

1x4 tongue & groove Massaranduba 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 Massaranduba to prevent splitting. T&G Massaranduba should only be used in covered or semi-protected areas.

1x4 Massaranduba soffit pricing varies by profile, grade, and board length. 1x4 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, Massaranduba's 50+ 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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