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5/4x6 Garapa Outdoor Flooring board profile diagram
Outdoor Flooring

5/4x6 Garapa Outdoor Flooring

Eased-Edge (E4E) — Standard Profile

Engineered for covered porches and protected outdoor spaces, this 5/4x6 Garapa outdoor flooring board leverages Garapa's 1,650 Janka hardness for a natural lifespan of up to 30+ years. As a premium Garapa wood outdoor flooring option, this Class A fire-rated hardwood withstands extreme weather, UV exposure, and heavy foot traffic without chemical treatment — perfect for covered porches and outdoor living spaces. In stock and ships nationwide — order 5/4x6 Garapa outdoor flooring boards 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-E4E-SB-L1

Configure Your Order

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

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:2.67 lbs/LF
1' board:2.7 lbs

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5/4x6 Garapa Outdoor Flooring — 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 5/4x6 Garapa Wood for Your Outdoor Flooring?

Garapa outdoor flooring is ideal for covered porches, screened-in rooms, and breezeway floors where a refined, interior-quality finish is needed in a weather-resistant package. Properly installed 5/4x6 Garapa outdoor flooring 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 5/4x6 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.

5/4x6 Garapa Outdoor Flooring — Installation & Coverage Specs

  • Recommended joist spacing: 16"–24" on center for 5/4x6 boards (1" actual thickness)
  • Fastener placement: Face-screw with two stainless steel screws per joist, approximately 1" from each edge of the 5.5" face
  • Board weight: A 12-foot 5/4x6 Garapa board weighs approximately 24 lbs (1.99 lbs/LF)
  • Coverage: Each 12-foot 5/4x6 board covers 5.5 sq ft of outdoor flooring surface (5.5" 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

5/4x6 Garapa Outdoor Flooring — Frequently Asked Questions

5/4x6 Garapa outdoor flooring 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 5/4x6 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.

5/4x6 Garapa outdoor flooring pricing varies by profile, grade, and board length. 5/4x6 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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