HFC have specialized in the design of residential floor foundations for over 10 years and were responsible for developing the Allied Superslab, a very popular, economical and stiff concrete raft floor system.

More recently HFC have developed raft floor solutions for the Christchurch region suitable for use on TC1, TC2 and TC3 sites. Designs are all carried out specifically for the house type, foundation loads and geotechnical conditions on the site.