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NFPA 13D - 2013: Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2013 Edition
- A major change allows a four-head calc that can eliminate conflicts in determining sprinkler coverage for sloped and beam ceilings.
- New provisions allow the use of backflow preventer for shutoff.
- New information on "shadow area" helps you avoid ceiling fan blockage.
The 2013 NFPA 13D also includes an update on antifreeze use and other changes. Install home fire sprinkler systems with NFPA 13D and save lives!