Insulated Steel Pipe

Penetration Item (Size and Type)

Sleeve
O = Optional
R = Required

Point Contact

Assembly Thickness

F Rating

Nelson Product

UL System

Nelson FS Drawing

2" Sch. 5, 1" AB/PVC, ¾" MINERAL FIBER      3¾,5 1,2 LBS3 W-L-8051 FS-0612
4" Sch. 10, 2" FIBERGLASS/MINERAL FIBER    X 3¾,5 1,2 LBS3 W-L-5213 FS-0605
4" Sch. 10, ¾" AB/PVC    X 3¾,5 1,2 LBS3 W-L-5214 FS-0606
6" Sch. 10, 1½" FIBERGLASS/MINERAL FIBER     

5

2

FSP W-L-5036 FS-0108
6" Sch. 10, 2” FIBERGLASS    X 3¾,5 1,2 ES1399 W-L-5161 FS-0399
6" Sch. 10, 3" FIBERGLASS  R X 3¾,5 1,2 LBS3 W-L-5216 FS-0608
6" Sch. 10, 3" CELLULAR GLASS    X 3¾,5 1,2 ES1399 W-L-5212 FS-0516
8" Sch. 10, 1½" CALCIUM SILICATE    X 3¾,5 1,2 LBS3 W-L-5211 FS-0603
10" Sch. 10, 3" CELLULAR GLASS    X 3¾,5 1,2 LBS3 W-L-5212 FS-0604
12" Sch. 30, 2" FIBERGLASS/MINERAL FIBER    X 3¾,5 1,2 ES1399 W-L-5178 FS-0463
12" Sch. 30, 2" FIBERGLASS/MINERAL FIBER  R X 3¾,5 1,2 ES1399 W-L-5179 FS-0464
12" Sch. 10, 3" FIBERGLASS/MINERAL FIBER      3¾,5 1,2 WRS3/LBS3 W-L-5220 FS-0634
12" Sch. 10, 3/4" AB / PVC    X 3¾,5 1,2 ES1399 W-L-5180 FS-0465
12" Sch. 30, 2" FIBERGLASS    X 3¾,5 1,2 LBS3 W-L-5215 FS-0607