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State-of-the-art home sprinkler systems require the improved NFPA 13D.

The 2007 NFPA 13D provides the latest requirements for the installation of life-saving residential sprinklers for family dwellings and manufactured homes. Coverage includes system design, water supplies, equipment requirements, as well as sprinkler location, spacing and position.

Significant changes that improve protection include:

• Added spacing and obstruction rules addressing sloped ceilings, ceiling pockets, ceiling fans, and kitchen cabinets
• New installation, design, and acceptance requirements for pumps
• Clarification of the acceptability of insulation as a method of freeze protection
• Clarification of the acceptability of wells as a water supply source
• Added requirements for listed dry pipe residential sprinkler systems
• Clarified requirements for multi-purpose combined and networked sprinkler systems