JACO Firestop

Use JACO Firestop or Fire and Draft Sealer when sealing air leaks in your home. Both products are inorganic and do not support the growth of mold. Each product has excellent acoustical properties and is non-toxic. EPA studies have shown that you can save 20% on your heating and cooling bills by sealing the envelope around your living space. JACO sealants are classified by UL in accordance with ASTM-E136 and are non-combustible.