The ITC-SA under this brand researches and updates the bracing and connection rules for timber roof structures, creates awareness by means of conducting seminars and presentations to disseminate information and amendments to specifications and regulations to the players in the industry, as well as educates erectors where possible and for this reason has developed two volumes for the erection of timber roof structures. The ITC-SA as part of its continued development and marketing strategy is currently in the process of developing an electronic training programme. Roof erectors handbook.