About Tucker & Mulhern Tucker & Mulhern Associates has proudly represented quality sustainable construction products to the building industry since 1998. Tucker & Mulhern has over 30 years experience in the construction industry working with specifiers, engineers, general contractors, applicators and manufacturers throughout the Mid Atlantic States. Our experience in the passive fire protection of steel structures enables us to be your resource for all of your fire protection requirements. Our intumescent lines representing Carboline allow us to offer the marketplace the most complete product lines, most competitive UL designs as well as exceptional technical support. As part of the passive fire protection product offering we also represent Southwest Fireproofing products by Carboline. With a complete product offering we successfully compete daily with Grace and Isolatek. Our cementitious UL designs offer some of the best thicknesses in the industry. Our technical support is unsurpassed in the marketplace.