Profile: Permatite Mfg., Inc. delivers sealants, coatings, tapes and sponges. Our acrylic sealant is suitable for a wide variety of joint sealing and caulking applications. Our permatite butyl caulking compound is composed of elastomeric hydrocarbons, blended with suitable pigments, oxidation and ultra violet absorbents. Our Dortite Xtra is a neoprene/EPDM/SBR/ blend expanded cellular rubber with an aggressive acrylic adhesive. We serve the building, construction, sheet metal fabrication and automotive glass insulation industries.