Caulking Gun Market Size, Share & Trends Analysis Report by Product Type (High Ratio Caulking Gun, Sausage Gun, Dual Components gun, Bulk Loader Guns), by Barrel Type (Closed Barrel Caulking Gun, Open Barrel Caulking Gun), by Sales Channel (Online, Offline, Distributors, Retailers), by Operation (Electric Operated Caulking Gun, Manually Operated Caulking Gun, Pneumatic Caulking Gun), by Region (North America, Europe, Asia Pacific, Latin America) - Global Industry Assessment (2016 - 2021) & Forecast (2022 - 2028)