Our Modular Buildings, http://www.cdnportable.com/ Plug-In Plant Offices interior use MK IV and are completely pre-built and delivered to you through our Fast Track Scheduling System. CPS can produce, deliver and place your standard built structure by forklift within 10 working days of your Design/Drawing approval. Unlike permanent structures, CPS Modular Buildings units mean no construction delays and because the units are pre-wired, they simply connect to existing utilities, ready to do business the same day. Call: 1 905 335 5500