Ekena Millwork BMRW3C0040X040X096PE 4"W x 4"H x 8'L 3-Sided (U-Beam) Riverwood Faux Wood Beam, Pecan, 4 inch W x 4 inch H x 8'L 1 inch wall thickness Impervious to decay, insect infestation, water damage and won't warp, crack or split Realistic wood texture Requires no additional structural support, which means significant savings in material and labor