Our Completed Mechanical Insulation Projects CPS Shurz High School - 32"-76" Spiral Insulated With Poly-ISO and SS CPS Disney Magnet School - 22"-36" Spiral Insulated With Elastomeric and Aluminum Jacket CPS Pasteur Hurley Area Elementary School CPS Stockton School - 24"-58" Spiral Insulated With Elastomeric and Aluminum Jacket Fiberglass and PVC Jacket