[gallery] Faux wood truss tails or rafter tails add style and elegance to any structure. The installed price of fake (faux) wood is usually less than real wood.  Natural wood truss tails or rafter tails will rot, warp, twist and crack if they are not painted, sealed or stained on a regular basis, whereas Volterra HDF (High Density Foam) will last decades with little to no maintenance.