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Siding

1x6 Cumaru Shiplap Siding

This 1x6 Cumaru siding board (Shiplap profile) offers unmatched exterior cladding longevity, backed by Cumaru's 3,330 Janka hardness and a natural lifespan of up to 50+ years. The overlapping shiplap profile sheds water naturally and creates a classic, weather-resistant look for exterior cladding and accent walls. In stock and ships nationwide — order 1x6 Cumaru siding boards 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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Ships Nationwide
SKU: CUMA-1X6-SHIP-SB-L1

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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:2.0 lbs

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Alternative Siding Option

This same Cumaru 1 x 6 is also available in a different siding profile:

Rainscreen

Designed for rainscreen clip systems with ventilation gap

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