Concealed, recessed, or flush-mounted sprinkler heads may be listed for shorter distances. * Most sprinkler heads will be installed 1″ from the ceiling. Distance from ceilings: minimum 1”, maximum 12”.*.Minimum distance between sprinkler heads: usually 6’.15’ between sprinkler heads, 7.5’ from walls) Distance from walls: half the distance between sprinkler heads (i.e.Other sprinkler head spacing requirements include: Ordinary Hazard 1 & 2 (areas with moderate concentrations of flammable materials)Įxtra Hazard 1 & 2 (areas with a high concentration of flammable materials)ĩ0-130 sq ft per head (based on obstructions and flow calculations) Light Hazard (areas with low concentrations of flammable materials) Maximum Allowed Distance Between Sprinkler Heads These requirements are based on hazard level as well as pump flow calculations and may need to be adjusted based on any obstructions that may be present in the area of the sprinkler head. The NFPA lays out specific spacing requirements for sprinkler heads. Sprinkler Head Distance and Spacing Requirements This is one of many determining factors in how the sprinkler heads must be spaced. When properly installed, most sprinkler heads will have an 8’ coverage radius. ![]() This means they cannot be blocked by beams, trusses, soffits, or any other elements of your building’s construction. Sprinkler heads must be unobstructed to provide maximum flow to the areas that need it.Because fire sprinklers are heat activated, sprinkler heads must be located high up on or near the ceiling.There are two main criteria for determining the location of sprinkler heads: ![]() And the most important aspect of fire sprinkler installation is making sure your sprinkler heads are located in the proper places to provide the best coverage. At Kauffman Co., we believe that an intelligently designed sprinkler system is the single most important thing you can have in your building to keep it safe from fires at all times.
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