Floor to Floor

Penetration Item (Size and Type)

Max. Joint Width

Movement Comp./Ext. %

F Rating

Nelson Product

UL System

Nelson FS Drawing

Min. 4-1/2" concrete  1 25 2 ES1399 FF-D-0027 FS-0357
Min. 2-1/2" concrete  2 12.5 1 FSC3 FF-D-0034 FS-0480
Min. 6" concrete  2 12.5 4 FSC3 FF-D-0025 FS-0355
Min. 6" concrete  2 12.5 4 ES1399 FF-D-0026 FS-0356
Min. 4-1/2" concrete  14 2 CLK FF-D-1037 FS-0304
Min. 4-1/2" concrete  15 3 FSC3 FF-D-1040 FS-0358
Min. 4-1/2" concrete  15 3 ES1399 FF-D-1041 FS-0359
Min. 4-1/2" concrete  4 Static 2 CLK FF-S-1016 FS-0138
Min. 4-1/2" concrete  4 Static 2 CLK FF-S-1032 FS-0651
Min. 5-1/2" concrete  4 Static 4 CLK FF-S-1011 FS-0119
Min. 6" concrete  4 Static 4 CLK FF-S-1036 FS-0665