Chimney cap installation in Kent County typically costs between $200-$800 total, depending on the cap material, size, and complexity of installation. Standard stainless steel caps for single flues run $300-$500 installed, while custom or multi-flue caps can cost $600-$1,200. The price includes the cap, professional installation, weatherproofing, and a comprehensive chimney inspection. Stainless steel costs more upfront than galvanized steel but lasts 10+ years compared to 3-5 years for cheaper materials. We provide free estimates and offer in-house financing to make quality caps affordable. The investment pays for itself by preventing water damage that can cost thousands to repair.