5/4x6 Ipe Rainscreen Soffit board profile diagram
Soffit

5/4x6 Ipe Rainscreen Soffit

This 5/4x6 Ipe Rainscreen soffit board combines the rich grain of Ipe (Brazilian Ironwood) with 3,680 Janka hardness, making it ideal for exposed eave linings and covered ceilings that endure for decades. The rainscreen profile is designed for ventilated clip systems, allowing airflow behind the cladding for superior moisture management on eave linings, ceilings, and covered areas. In stock and ships nationwide — order Ipe soffit online or call 1-844-674-4455 for expert guidance.

5/4 x 6(1"×5.5" actual)[25.4mm × 139.7mm]
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SKU: IPE-54X6-RAIN-SB-L1

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Durable, Stable, and Aesthetic Solutions for Exterior Applications.

Rainscreen

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:2.67 lbs/LF
1' board:3 lbs

5/4x6 Ipe Rainscreen Soffit — Complete Guide

Everything you need to know about rainscreen ipe soffit

About 5/4x6 Ipe Rainscreen Soffit

IPE lumber is an exceptional choice for soffit applications due to its outstanding dimensional stability and durability. This densely packed hardwood is resistant to moisture exposure, making it less prone to warping and splitting, which is critical for structures exposed to varying weather conditions. With a rainscreen profile, IPE offers clean lines that enhance architectural designs while allowing for proper ventilation, thus maintaining the longevity and performance of the material. This profile not only contributes to the aesthetic appeal but also assists in moisture management, creating a superior soffit solution.

  • Exceptional dimensional stability for overhead applications
  • Superior durability against rot and insects
  • Rainscreen profile promotes ventilation and aesthetics
  • Minimal maintenance required over the lifespan

Key Benefits

Dimensional Stability

IPE exhibits minimal expansion or contraction, ensuring that your soffit maintains its appearance over time regardless of moisture changes.

Durability

With a Janka hardness rating of 3680, IPE is incredibly resistant to wear and tear, making it ideal for exterior applications.

Moisture Resistance

IPE's natural resistance to rot and insects prolongs its life, even in overhead installations susceptible to humidity.

Aesthetic Appeal

Available in a natural wood finish, the rich coloration and grain patterns of IPE add a sophisticated touch to any soffit design.

Technical Specifications

Janka Hardness

3680

Density

Not specified

Durability Rating

High durability, naturally resistant to decay

Dimensional Stability

Excellent dimensional stability, minimal expansion and contraction.

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper ventilation to prevent moisture buildup
  • Use appropriate fasteners to accommodate expansion
  • Follow local building codes for soffit installation

Recommended Tools:

Miter saw
Drill
Level
Measuring tape

Maintenance & Care

Cleaning

Regularly clean with mild soap and water to maintain appearance; avoid harsh chemicals that could damage the finish.

Finishing

Reapply a UV protectant every 1-2 years to retain the wood's natural color and prevent graying.

Weathering

IPE may develop a silver patina over time when exposed to the elements; this does not affect performance.

Frequently Asked Questions

A 5/4x6 Ipe board weighs approximately 2.67 lbs per linear foot. Ipe has a density of about 69 lbs/ft³, making it one of the densest commercially available hardwoods. Always factor weight into your structural and shipping calculations.

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

Ipe outperforms composite in hardness (3,680 vs ~200 Janka), lifespan (up to 75+ years vs 25-30 years), and heat resistance. Unlike composites, Ipe won't melt, warp in extreme heat, or fade significantly. While initial cost is similar ($8-15/LF installed), Ipe costs less over its much longer lifetime. Composites do offer lower upfront maintenance.

Ipe 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.

Ipe is DIY-friendly with proper preparation. Key requirements: (1) Always pre-drill all screw holes — Ipe 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 5/4x6 Ipe board has actual finished dimensions of 1" × 5.5" (25.4 x 139.7 mm). The "5/4x6" 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" × 5.5") when calculating material quantities and coverage for your project.

We responsibly, legally, and ethically source all our Ipe. We work only with suppliers who follow responsible forestry practices with full chain-of-custody transparency. Note: We are not FSC certified. Ipe trees grow naturally in diverse tropical forests and regenerate well under managed harvest. The extremely long lifespan (up to 75+ 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