5/4x4 Cumaru Tongue & Groove Soffit

This 5/4x4 Cumaru Tongue & Groove soffit board combines the rich grain of Cumaru (Brazilian Teak) with 3,540 Janka hardness, making it ideal for exposed eave linings and covered ceilings that endure for decades. The interlocking tongue and groove profile creates tight, seamless joints for eave linings, ceilings, and covered areas, with no visible fasteners on the finished surface. In stock and ships nationwide — order Cumaru soffit online or call 1-844-674-4455 for expert guidance.