1x4 Garapa Siding board profile diagram
Siding

1x4 Garapa Siding

Eased-Edge (E4E) — Standard Profile

This 1x4 Garapa siding board offers unmatched exterior cladding longevity, backed by Garapa's 1,650 Janka hardness and a natural lifespan of up to 30+ years. As a premium Garapa wood siding option, this Class A fire-rated hardwood withstands extreme weather, UV exposure, and heavy foot traffic without chemical treatment — perfect for exterior cladding and accent walls. In stock and ships nationwide — order 1x4 Garapa siding 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
Expert Backed
Ships Nationwide
SKU: GARA-1X4-E4E-SB-L1

Configure Your Order

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

Durable, Attractive, and Weather-Resistant Solution

Eased-Edge (Standard)

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 Garapa Siding — Complete Guide

Everything you need to know about eased-edge garapa siding

About 1x4 Garapa Siding

Garapa lumber, particularly in the e4e profile and 1x4 size, is an exceptional choice for exterior siding and cladding projects. Known for its superior dimensional stability and resistance to weathering, it provides an effective and reliable option for those seeking long-lasting results. The e4e profile enhances the aesthetics of any building, creating visual interest through defined shadow lines while allowing for various installation orientations.

  • Excellent dimensional stability under various weather conditions
  • Resistant to rot, insects, and moisture exposure
  • Aesthetically pleasing e4e profile creates defined shadow lines
  • Adaptable for vertical and horizontal installations

Key Benefits

Rot and Insect Resistance

Garapa's natural oils provide a strong defense against rot and insect damage, ensuring longevity in exterior applications.

Weather Resistance

With its dense grain structure, Garapa performs well against moisture exposure, maintaining its appearance and structural integrity over time.

Aesthetic Versatility

The e4e profile allows for creative design choices, enhancing the visual character of any building project.

Technical Specifications

Janka Hardness

1650

Density

53 lbs/ft³

Durability Rating

Highly durable and resistant to environmental stresses

Dimensional Stability

Superior dimensional stability, maintains integrity in varying climates

Installation Guide

Difficulty:
Moderate

Key Tips:

  • Ensure proper spacing for expansion and contraction.
  • Use stainless steel screws or ring-shank nails for fastening.
  • Consider a ventilation gap for optimal performance in rainscreen systems.

Recommended Tools:

Circular saw
Drill/driver
Measuring tape
Level

Maintenance & Care

Cleaning

Periodically clean with mild soap and water to preserve the finish and prevent discoloration.

Finishing

Light oil or sealant can enhance color and provide additional protection.

Weathering

Garapa will naturally age to a silver-gray patina when left untreated, which is aesthetically pleasing for many applications.

1x4 Garapa Siding — Frequently Asked Questions

A 1x4 Garapa board weighs approximately 1.28 lbs per linear foot. Garapa has a density of about 52 lbs/ft³, making it one of the densest commercially available hardwoods. A 12-foot 1x4 Garapa board weighs approximately 11 lbs. Always factor weight into your structural and shipping calculations.

1x4 Garapa siding has an expected service life of up to 30+ years when properly installed. This is 3-5× longer than pressure-treated pine and 2-3× longer than cedar. Garapa achieves this exceptional longevity through its 1,650 Janka hardness and Class 1 durability rating, providing built-in resistance to rot, decay, insects, and fungal growth without chemical preservatives.

1x4 Garapa siding 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, Garapa's up to 30+-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 Garapa wood siding outperforms composite in hardness (1,650 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 wood decking costs less over its much longer lifetime. Composites do offer lower upfront maintenance, but Garapa's natural beauty and durability make it the superior long-term investment.

Garapa is widely considered one of the best woods for 1x4 siding boards. With a 1,650 Janka hardness rating, Class A fire-rated certification, and up to 30+-year lifespan, Garapa (Brazilian Ash) outperforms nearly every other commercially available wood species. Other excellent options include Cumaru (Brazilian Teak) and Massaranduba (Brazilian Redwood), but Garapa remains the industry benchmark for premium outdoor hardwood applications.

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 1x4 Garapa 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 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

1x4 Garapa Siding — Complete Buyer's Guide

Garapa, also known as Brazilian Ash, is a premium tropical hardwood sourced from South America (Brazil, Suriname, Guyana). With a Janka hardness rating of 1,650 lbf and a density of 53 lbs/ft³, Garapa is classified as Class 2 - Durable — one of the most durable commercial lumber species available. The heartwood exhibits blonde to golden yellow, darkening to honey amber with interlocked grain, medium texture, creating a striking natural appearance that improves with age.

Why Choose 1x4 Garapa Wood for Your Siding?

As exterior cladding, Garapa siding provides a weather-tight barrier with exceptional impact resistance. The dense grain resists dents, hail damage, and woodpecker damage far better than cedar, pine, or fiber cement alternatives. Properly installed 1x4 Garapa siding delivers a service life of 30+ years with minimal maintenance — an optional annual oil treatment preserves the original color, or you can let the Garapa wood weather to a distinguished silver-gray patina. Garapa carries a Class A - Low flame spread, making it suitable for wildfire-prone regions where code-compliant materials are required.

The 1x4 eased-edge (E4E) profile features gently rounded edges on all four sides, reducing the risk of splinters and creating a comfortable walking surface. This is the most versatile profile — suitable for face-screw installation with countersunk stainless steel fasteners. All Garapa lumber is available in Select and Better grade with lengths ranging from 4′ to 20′. For detailed step-by-step instructions, consult our Garapa installation guide. Long-term care recommendations are covered in our Garapa maintenance guide.

1x4 Garapa Siding — Installation & Coverage Specs

  • Recommended joist spacing: 16" on center for 1x4 boards (0.75" actual thickness)
  • Fastener placement: Face-screw with two stainless steel screws per joist, approximately 1" from each edge of the 3.5" face
  • Board weight: A 12-foot 1x4 Garapa board weighs approximately 11 lbs (0.95 lbs/LF)
  • Coverage: Each 12-foot 1x4 board covers 3.5 sq ft of siding surface (3.5" face width)
  • Pre-drilling required: Always pre-drill in Garapa — the 1,650 lbf hardness prevents direct screwing

Janka Hardness

1,650 lbf

Service Life

30+ years

Durability

Durable

Fire Rating

Class A

1x4 Garapa Siding — Frequently Asked Questions

1x4 Garapa siding has an expected service life of 30+ years when properly installed and maintained. This is 3-5x longer than pressure-treated pine and 2-3x longer than cedar. Garapa achieves this exceptional longevity through its natural density (Janka hardness: 1,650 lbf) and Class 1 durability rating, which provide built-in resistance to rot, decay, insects, and fungal growth — all without chemical preservatives.

Use 305 or 316 stainless steel screws for all Garapa installations — never use galvanized or coated deck screws, which will corrode and stain the wood. Pre-drill every hole using a countersink bit sized for your screw. For 1x4 boards, place screws approximately 1" from each edge and 3/4" from board ends. A combination drill/driver with a clutch setting prevents over-driving into this extremely hard wood.

1x4 Garapa siding pricing varies by profile, grade, and board length. 1x4 E4E 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, Garapa's 30+ 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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