AIR-SEALED, PRESSURE-EQUALIZED COMMERCIAL ROOF SYSTEMS

Roofing technical support services, namely, installation, repair and maintenance of roofing systems; technical services related to commercial roofing systems, namely, installation, repair and maintenance of commercial roofing systems; technical services related to vented commercial roofing systems, namely, installation, repair and maintenance of vented commercial roofing systems; technical services related to wind and moisture vented commercial roofing systems, namely, installation, repair and maintenance of wind and moisture vented commercial roofing systems; technical services related to air-sealed commercial roof systems, namely, installation, repair and maintenance of air-sealed commercial roofing systems; technical services related to pressure equalized commercial roofing systems, namely, installation, repair and maintenance of pressure equalized commercial roofing systems