Trellis and Lattice
Fred Goode of Brattle Works joins Bob in the backyard to look at the trellis and lattice fencing that will provide screening and a backdrop for a shrub border. The bottom of the fencing is privacy lattice with a one inch vertical member and a one inch opening. The strips of Western Red Cedar are laid one on top of another. There's no nailing. The strips are fastened with a stainless steel fastener and waterproof glue. The top section is trellis and it's a full dado. The cedar can be stained or allowed to weather naturally in which case it should gray out in six to nine months. There are two installation options. In one a wooden post is actually put right into the ground. This method should offer a 15-year life expectancy in well-drained soil. All cedars have tannin in them, and tannin is a natural inhibitor of mold and bacteria. This gives the wood life. The second installation - the one used in th Medford project - combines the best of both worlds. A steel pipe goes into the ground -- into concrete -- and then the red cedar extends above ground. Fred has dug a hole approximately two feet deep. Water is placed into the hole about half full and then ready mix concrete is poured into the hole and mixed in place. Sometimes an accelerant is added to speed hardening. The trellis panel with full half dados is used for a topper giving the fencing its sturdiness.
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