The walls are comprised largely of dimensional lumber in standard sizes as well as wire mesh. Some lumber was pressure treated to avoid rot and termite damage.  Photo 6 of 13 in Budget Breakdown: An Architect Builds a New Chicken Coop For Less Than $1.5K

Budget Breakdown: An Architect Builds a New Chicken Coop For Less Than $1.5K

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The walls are made largely of dimensional lumber in standard sizes as well as wire mesh. Some lumber was pressure treated to avoid rot and termite damage.