Soffit

5/4x6 Garapa Rainscreen Soffit

This 5/4x6 Garapa Rainscreen soffit board combines the rich grain of Garapa (Brazilian Ash) with 1,510 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 Garapa 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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Ships Nationwide
SKU: GARA-54X6-RAIN-SB-L1

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Explore the durability and aesthetic benefits of Garapa for your next exterior project.

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 Garapa Rainscreen Soffit — Complete Guide

Everything you need to know about rainscreen garapa soffit

About 5/4x6 Garapa Rainscreen Soffit

Garapa lumber, particularly in a rainscreen profile and sized at 5/4x6 nominal (1x5.5 actual), is an excellent choice for soffit applications due to its impressive properties. Known for its dimensional stability and resistance to moisture, Garapa provides long-lasting performance in overhead installations. The rainscreen profile not only enhances the visual appeal of the soffit but also ensures efficient ventilation, helping to prevent moisture buildup.

  • Dimensional stability for long-lasting performance
  • Exceptional resistance to moisture exposure
  • Rainscreen profile for superior ventilation
  • Enhanced aesthetic with clean lines and structural integrity

Key Benefits

Durable

Garapa's high Janka hardness of 1650 makes it a robust choice, providing durability in challenging environments.

Low Maintenance

With its natural resistance to rot and insects, Garapa requires minimal upkeep compared to other materials.

Aesthetic Appeal

The rainscreen profile creates clean lines and an attractive look, enhancing the architectural beauty of your project.

Long-term Value

Investing in Garapa ensures long-term performance and reduced replacement costs due to its longevity.

Technical Specifications

Janka Hardness

1650

Density

53 lbs/ft³

Durability Rating

Class 1 (very durable)

Dimensional Stability

Excellent dimensional stability with minimal shrinkage or expansion

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper ventilation behind the soffit for moisture control
  • Maintain appropriate spacing between boards for expansion
  • Use stainless steel or galvanized fasteners to prevent corrosion

Recommended Tools:

Circular saw
Drill
Tape measure
Level

Maintenance & Care

Cleaning

Clean with mild soap and water to remove any dirt or debris. Avoid harsh chemicals that can damage the wood.

Finishing

Periodic application of oil finishes can enhance the wood's natural color and increase its lifespan.

Weathering

Garapa weathers to a beautiful silver gray tone, but it can be maintained in its original color with regular treatment.

Frequently Asked Questions

A 5/4x6 Garapa board weighs approximately 2.67 lbs per linear foot. Garapa 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 — Garapa 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 soffit applications. While ground contact is possible, we recommend elevating Garapa boards at least 6" above grade for maximum lifespan.

Garapa outperforms composite in hardness (1,510 vs ~200 Janka), lifespan (up to 30+ years vs 25-30 years), and heat resistance. Unlike composites, Garapa won't melt, warp in extreme heat, or fade significantly. While initial cost is similar ($8-15/LF installed), Garapa costs less over its much longer lifetime. Composites do offer lower upfront maintenance.

Garapa 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.

Garapa is DIY-friendly with proper preparation. Key requirements: (1) Always pre-drill all screw holes — Garapa 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 Garapa 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 Garapa. We work only with suppliers who follow responsible forestry practices with full chain-of-custody transparency. Note: We are not FSC certified. Garapa trees grow naturally in diverse tropical forests and regenerate well under managed harvest. The extremely long lifespan (up to 30+ 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