J.A.P. Weatherstripping Inc. Is a family owned and operated business. We have over 57 years combined experience in all things Door and Window. We specialize in the age-old art of Interlocking Metal Weatherstripping; a technique designed to insulate the perimeter of your door or window while maintaining a finished look. Instead of costly replacements, why not consider a professional repair? We can handle just about any door or window – big or small, new or old. Before you replace your windows let us come take a look!