Massaranduba, also known as Brazilian Redwood, is a premium tropical hardwood sourced from Northern South America (Brazil, Suriname, Venezuela). With a Janka hardness rating of 3,190 lbf and a density of 68 lbs/ft³, Massaranduba is classified as Class 1 - Very Durable — one of the most durable commercial lumber species available. The heartwood exhibits deep red to reddish-brown with straight to interlocked grain, fine to medium texture, creating a striking natural appearance that improves with age.
Why Choose 1x6 Massaranduba Wood for Your Outdoor Flooring?
Massaranduba 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 1x6 Massaranduba outdoor flooring delivers a service life of 50+ years with minimal maintenance — an optional annual oil treatment preserves the original color, or you can let the Massaranduba wood weather to a distinguished silver-gray patina. Massaranduba carries a Class A - Low flame spread, making it suitable for wildfire-prone regions where code-compliant materials are required.
The 1x6 pregrooved profile has factory-milled grooves along both edges, designed specifically for hidden fastener clip systems like Ipe Clip or DeckWise. This creates a clean, screw-free surface with no visible hardware. All Massaranduba lumber is available in Select and Better grade with lengths ranging from 4′ to 20′. For detailed step-by-step instructions, consult our Massaranduba installation guide. Long-term care recommendations are covered in our Massaranduba maintenance guide.
1x6 Massaranduba Outdoor Flooring — Installation & Coverage Specs
- Recommended joist spacing: 16" on center for 1x6 boards (0.75" actual thickness)
- Fastener placement: Hidden clip fastener in each factory-milled groove, one clip per joist
- Board weight: A 12-foot 1x6 Massaranduba board weighs approximately 24 lbs (1.98 lbs/LF)
- Coverage: Each 12-foot 1x6 board covers 5.5 sq ft of outdoor flooring surface (5.5" face width)
- Pre-drilling required: Always pre-drill in Massaranduba — the 3,190 lbf hardness prevents direct screwing
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