By spec section

Submittal requirements, section by section

What reviewers expect for each CSI MasterFormat section — with the manufacturers we actually see in packages, drawn from a catalog of 335,000+ real products with data sheets.

Division 04Masonry

Division 05Metals

Division 06Wood & Plastics

Division 07Thermal & Moisture Protection

Division 08Openings

Division 09Finishes

Division 10Specialties

Division 21Fire Suppression

Division 22Plumbing

Division 23HVAC

Division 25Integrated Automation

Division 26Electrical

Division 27Communications

Division 28Electronic Safety & Security

Division 32Exterior Improvements

Division 33Utilities