1x6 Garapa Shiplap Soffit board profile diagram
Soffit

1x6 Garapa Shiplap Soffit

This 1x6 Garapa Shiplap 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 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 Garapa soffit online or call 1-844-674-4455 for expert guidance.

1 x 6(0.75"×5.5" actual)[19.0mm × 139.7mm]
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SKU: GARA-1X6-SHIP-SB-L1

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

Durable, Moisture-Resistant, and Visually Appealing Option for Exterior Use

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:2.01 lbs/LF
1' board:2 lbs

1x6 Garapa Shiplap Soffit — Complete Guide

Everything you need to know about shiplap garapa soffit

About 1x6 Garapa Shiplap Soffit

Garapa lumber, particularly in a shiplap profile, is an ideal choice for soffit applications due to its dimensional stability, inherent durability, and remarkable resistance to moisture exposure. The shiplap design not only enhances the aesthetics of any structure but also ensures efficient ventilation, contributing to a clean and refined finish. This combination makes Garapa a smart selection for both functional and decorative elements in construction.

  • Enhanced ventilation due to shiplap design
  • Inherent resistance to rot and insect damage
  • Stable performance in varied climatic conditions
  • Aesthetically pleasing with natural color variations

Key Benefits

Moisture Resistance

Garapa's natural oils provide exceptional resistance to moisture, making it suitable for exterior overhead applications where exposure to humidity is a concern.

Rot and Insect Resistance

This wood species exhibits a high level of resistance against rot and common wood-destroying insects, ensuring longevity in soffit applications.

Low Maintenance

Garapa requires minimal maintenance compared to other wood types, allowing it to maintain its aesthetic quality and structural integrity over time.

Technical Specifications

Janka Hardness

1650

Density

38 lbs/ft³

Durability Rating

Class 1 (Durable)

Dimensional Stability

Excellent, with minimal shrinkage or swelling

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper ventilation to prevent moisture build-up
  • Leave appropriate expansion gaps between boards
  • Use stainless steel fasteners to prevent corrosion

Recommended Tools:

Circular saw
Drill
Measuring tape
Level

Maintenance & Care

Cleaning

Clean periodically with a mild detergent solution and water to remove dirt and grime. Avoid harsh chemicals that could damage the wood.

Finishing

Consider applying a high-quality exterior wood sealer or finish to enhance durability and maintain appearance over time.

Weathering

Garapa is naturally weather-resistant; however, some degree of weathering may occur, leading to silvering if left untreated.

Frequently Asked Questions

A 1x6 Garapa board weighs approximately 2.01 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 1x6 Garapa board has actual finished dimensions of 0.75" × 5.5" (19.0 x 139.7 mm). The "1x6" 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" × 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