Firewood Rack Brackets Using firewood rack brackets can make building a firewood rack quick and easy. Overall, building a firewood storage rack is relatively easy but it can involve cutting angles, proper reinforcement and general knowledge about construction. To make things easier and still insure you build a strong, stable firewood rack, pre-made brackets can be recommended. The steel firewood brackets allow you to quickly and easily construct a firewood rack using 2x4inch log purchased from your local hardware store.