For CSA Z240 homes that are built on a frame, you are required to have either an on-grade full concrete pad, concrete strip footings, or engineered pads. The home is then blocked along the frame every 8′ on the concrete using concrete blocks. The home is then tied down to the pad using rebar loops and cables and then skirted with vinyl or fibre cement and decks and steps constructed.
A277 modular homes are built on a truss floor system and placed on either a crawlspace or basement by a crane. The home is fastened to the sill plates of the foundation by anchor bolts. Access to the foundation is gained either through an access in the floor or access door cut into the foundation.