This work determines the physical (density, shrinkage and porosity), mechanical (compression, bending, stress and Elasticity modulus) and thermal (conductivity, diffusivity, effusivity) characteristics that allow the rational and optimal use of palm tree, which is one of the biomaterials used in traditional and semi-modern construction in northern Cameroon. These properties were determined experimentally at different temperatures using the weighing method, mechanical tests and thermal using the «MINCO 230Ω P» heating resistor inserted between two samples. The test results obtained are interesting and satisfactory. The heartwood density varies from 300 to 400 kg.m-3 and the sapwood from 750 to 1,000 kg.m-3. Porosity depending of moisture content is between 76 and 80% for the heartwood and from 38 to 52% for the sapwood. The volumetric shrinkage rate is from 5 to 14% for the heartwood and from 6 to 9% for the sapwood. The stress and the Young’s modulus of Borassus Aethiopum mart. at 12% of moisture content are respectively evaluated at 74.789 ± 5.171 MPa and 3,434.548 ± 82.195 MPa. The longitudinal compression stress is 58.290±3.582 MPa and 29.210±1.775 MPa for transverse compression, the longitudinal compression Young’s modulus is 1,386.470 ± 41.661 MPa and transverse compression is 209.418 ± 6.456 MPa. The thermal effusivity is 458.189 J/m2Ks1/2, the volumetric heat capacity is 322,627.7 J/m3K and the thermal conductivity is 0.651 W/mK are the thermal characteristics obtained. The results of the tests obtained are important and advantageous for the using of palm tree in civil engineering and cabinet-making.